ARCE / Arco Platform Ltd - Class A - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

Arco Platform Ltd - Class A
US ˙ NASDAQ
HINDI NA ACTIVE ANG SIMBONG ITO

Mga Batayang Estadistika
CIK 1740594
SEC Filings
All companies that sell securities in the United States must register with the Securities and Exchange Commission (SEC) and file reports on a regular basis. These reports include company annual reports (10K, 10Q), news updates (8K), investor presentations (found in 8Ks), insider trades (form 4), ownership reports (13D, and 13G), and reports related to the specific securities sold, such as registration statements and prospectus. This page shows recent SEC filings related to Arco Platform Ltd - Class A
SEC Filings (Chronological Order)
Halaman ini menyediakan daftar lengkap dan kronologis dari Pengajuan SEC, tidak termasuk pengajuan kepemilikan yang kami sediakan di tempat lain.
February 13, 2024 SC 13G/A

ARCE / Arco Platform Ltd - Class A / GLAZER CAPITAL, LLC Passive Investment

SC 13G/A 1 arce20231231.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

December 18, 2023 15-12G

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 15 CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number: 001-38673 Arco Platform Limited (Exact name of registrant as specified in it

December 15, 2023 SC 13G/A

ARCE / Arco Platform Ltd - Class A / Fourth Sail Capital LP - SC 13G/A Passive Investment

SC 13G/A 1 d39471dsc13ga.htm SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 3)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) December 7, 2023 (Date of Event Which Requires Filing of this Statemen

December 13, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Keenan Capital, LLC - SCHEDULE 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARCO PLATFORM LIMITED (Name of Issuer) Class A Common Stock, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Charles J. Keenan, IV Keenan Capital, LLC 1229 Burlingame Avenue, Suite 201 Burlingame, CA 94010 (650) 344-3

December 13, 2023 EX-99.A

Joint Filing Agreement

Exhibit A Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons on behalf of each of them a statement on Schedule 13D (including amendments thereto) with respect to the Class A Common Stock, par value $0.

December 11, 2023 EX-99.10

CONTRIBUTION AND SUBSCRIPTION AGREEMENT

EX-99.10 2 eh230428516ex10.htm EXHIBIT 10 EXHIBIT 10 CONTRIBUTION AND SUBSCRIPTION AGREEMENT This Contribution and Subscription Agreement (this “Agreement”), dated as of December 7, 2023, is entered into by and among Achieve Holdings (“Parent”), an exempted company with limited liability incorporated under the Laws of the Cayman Islands, General Atlantic Arco (Bermuda) 2, L.P., a Bermuda exempted

December 11, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Dragoneer Investment Group, LLC - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San F

December 11, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / GENERAL ATLANTIC LLC - AMENDMENT NO. 7 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 7)* Arco Platform Limited (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York

December 11, 2023 SC 13G

ARCE / Arco Platform Ltd - Class A / FourWorld Capital Management LLC Passive Investment

SC 13G 1 arce.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Arco Platform Ltd. (Name of Issuer) Class A Common Stock, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) November 2, 2023 (Date of Event which Requires Filing of this Statement) Check the appropriate

December 8, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / de Sa Cavalcante Neto Ari - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Ari de Sá Cavalcante Neto Rua Augusta 2840, 16th floor Consolação, São Paulo – SP, 01412-100 Brazil With a

December 8, 2023 SC 13E3/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 3) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve

TABLE OF CONTENTS SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No. 3) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd. Oto Brasil de Sá Cavalcante Ari de Sá Cavalcante Neto ASCN Investments Ltd. G

December 8, 2023 S-8 POS

As filed with the U.S. Securities and Exchange Commission on December 8, 2023

As filed with the U.S. Securities and Exchange Commission on December 8, 2023 Registration No. 333-233920 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT NO. 333-233920 UNDER THE SECURITIES ACT OF 1933 Arco Platform Limited (Exact name of registrant as specified in its charter) Cayman Islands Not Applicable (

December 8, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-

December 8, 2023 EX-99.1

Arco Announces Merger

Exhibit 99.1 Arco Announces Merger Completion and Becomes a Private Company São Paulo, Brazil, December 7, 2023 – Arco Platform Limited (Nasdaq: ARCE) (“Arco” or the “Company”), a leading operating system for K-12 schools, announced today the completion of the merger (the “Merger”) with Achieve Merger Sub (“Merger Sub”), a wholly owned subsidiary of Achieve Holdings (“Achieve”), pursuant to the pr

December 8, 2023 EX-1

CONTRIBUTION AND SUBSCRIPTION AGREEMENT

EX-1 2 tm2326179d11ex1.htm EXHIBIT 1 Exhibit 1 CONTRIBUTION AND SUBSCRIPTION AGREEMENT This Contribution and Subscription Agreement (this “Agreement”), dated as of December 7, 2023, is entered into by and among Achieve Holdings (“Parent”), an exempted company with limited liability incorporated under the Laws of the Cayman Islands, General Atlantic Arco (Bermuda) 2, L.P., a Bermuda exempted limite

December 8, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Brasil de Sa Cavalcante Oto - SC 13D/A Activist Investment

SC 13D/A 1 tm2326179d11sc13da.htm SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Oto Brasil de Sá Cavalcante Rua Augusta 2840, 16th floor Consola

December 8, 2023 EX-1

CONTRIBUTION AND SUBSCRIPTION AGREEMENT

Exhibit 1 CONTRIBUTION AND SUBSCRIPTION AGREEMENT This Contribution and Subscription Agreement (this “Agreement”), dated as of December 7, 2023, is entered into by and among Achieve Holdings (“Parent”), an exempted company with limited liability incorporated under the Laws of the Cayman Islands, General Atlantic Arco (Bermuda) 2, L.

December 7, 2023 EX-99.25

EX-99.25

Arce-form25

December 7, 2023 EX-99.25

EX-99.25

Arce-form25

December 5, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-

December 5, 2023 EX-99.1

Arco Announces

Exhibit 99.1 Arco Announces Shareholders’ Approval of Merger Agreement to Go Private São Paulo, Brazil, December 4, 2023 – Arco Platform Limited (Nasdaq: ARCE) (“Arco” or the “Company”), a leading operating system for K-12 schools announced today that at an extraordinary general meeting of shareholders held today, Arco’s shareholders voted in favor of, among other things, the proposal to authorize

November 17, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-

November 17, 2023 EX-99.1

São Paulo, Brazil, November 16, 2023 –

Exhibit 99.1 Arco to Provide Supplemental Materials for Extraordinary General Meeting of Shareholders São Paulo, Brazil, November 16, 2023 – Arco Platform Limited (Nasdaq: ARCE) (“Arco” or the “Company”), a leading operating system for K-12 schools, previously announced that it has called an extraordinary general meeting of shareholders (the “EGM”), to be held on December 4, 2023 at 9:00 a.m. (Bra

November 8, 2023 SC 13E3/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No.2) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve

TABLE OF CONTENTS SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No.2) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd. Oto Brasil de Sá Cavalcante Ari de Sá Cavalcante Neto ASCN Investments Ltd. GA

November 8, 2023 EX-99.(A)(1)

ARCO PLATFORM LIMITED NOTICE OF EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON DECEMBER 4, 2023

TABLE OF CONTENTS Exhibit (a)(1) PROXY STATEMENT OF THE COMPANY November 7, 2023 Shareholders of Arco Platform Limited Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Arco Platform Limited (the “Company”) to be held on December 4, 2023 at 9:00 a.

November 7, 2023 EX-99.1

Arco to Hold

Exhibit 99.1 Arco to Hold Extraordinary General Meeting of Shareholders       São Paulo, Brazil, November 7, 2023 – Arco Platform Limited (Nasdaq: ARCE) (“Arco” or “Company”), a leading operating system for K-12 schools, today announced that it has called an extraordinary general meeting of shareholders (the “EGM”), to be held on December 4, 2023 at 9:00 a.m. (Brasilia time), at Rua Augusta 2840,

November 7, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-

November 2, 2023 EX-99.(A)(1)

ARCO PLATFORM LIMITED NOTICE OF EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON [      ], 2023

TABLE OF CONTENTS Exhibit (a)(1) PROXY STATEMENT OF THE COMPANY [    ], 2023 Shareholders of Arco Platform Limited Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Arco Platform Limited (the “Company”) to be held on [     ], 2023 at [     ] (Brasilia time).

November 2, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Schedule 13E-3 (Form Type) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd. Oto Brasil de Sá Cavalcante Ari de Sá Cavalcante Neto ASCN Investments Ltd. GA IS Holding, L.P. GAP (Bermuda) L

Exhibit 107 Calculation of Filing Fee Tables Schedule 13E-3 (Form Type) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd.

November 2, 2023 SC 13E3/A

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No.1) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve

TABLE OF CONTENTS SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 (Amendment No.1) Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd. Oto Brasil de Sá Cavalcante Ari de Sá Cavalcante Neto ASCN Investments Ltd. GA

September 29, 2023 SC 13G

ARCE / Arco Platform Ltd - Class A / GLAZER CAPITAL, LLC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) September 19, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursua

September 28, 2023 EX-99.(C)(13)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors July 18, 2023 [***] indicates information has been omitted on the basis of a confidential treatment re

Exhibit (C)(13) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors July 18, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

September 28, 2023 EX-99.(C)(4)

Preliminary Draft – Confidential Project Achieve 104% 64% 48% 41% 31% 25% 23% 21% 104% 60% 41% 35% 25% 19% 17% 17% 79% 49% 40% 36% 28% 23% 21% 20% % Growth $314 $514 $758 $1,069 $1,403 $1,758 $2,158 $2,612 $314 $503 $712 $960 $1,203 $1,438 $1,687 $1,

Exhibit (C)(4) Preliminary Draft – Confidential Project Achieve Discussion Materials February 27, 2023 Preliminary Draft – Confidential Project Achieve 104% 64% 48% 41% 31% 25% 23% 21% 104% 60% 41% 35% 25% 19% 17% 17% 79% 49% 40% 36% 28% 23% 21% 20% % Growth $314 $514 $758 $1,069 $1,403 $1,758 $2,158 $2,612 $314 $503 $712 $960 $1,203 $1,438 $1,687 $1,966 $- $500 $1,000 $1,500 $2,000 $2,500 $3,000 2023E 2024E 2025E 2026E 2027E 2028E 2029E 2030E Management Projections vs.

September 28, 2023 EX-99.(C)(6)

Preliminary Draft - Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee to the Board of Directors March 16, 2023 [***] indicates information has been omitted on the basis of a confidential treatment r

Exhibit (c)(6) Preliminary Draft - Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee to the Board of Directors March 16, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

September 28, 2023 EX-99.(C)(15)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of Arco Platform Limited (the “Company”) to whom such materials are

Exhibit (C)(15) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors July 23, 2023 Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.

September 28, 2023 EX-99.(C)(14)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of Arco Platform Limited (the “Company”) to whom such materials are

Exhibit (C)(14) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors July 22, 2023 Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.

September 28, 2023 EX-99.(C)(10)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors April 24, 2023 [***] indicates information has been omitted on the basis of a confidential treatment r

Exhibit (C)(10) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors April 24, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

September 28, 2023 EX-FILING FEES

Calculation of Filing Fee Tables Schedule 13E-3 (Form Type) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd. Oto Brasil de Sá Cavalcante Ari de Sá Cavalcante Neto ASCN Investments Ltd. GA IS Holding, L.P. GAP (Bermuda) L

Exhibit 107 Calculation of Filing Fee Tables Schedule 13E-3 (Form Type) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd.

September 28, 2023 EX-99.(C)(8)

Preliminary Draft - Confidential These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of Arco Platform Limited (the “Company”) to whom such materials are directly addressed and delivered and may not be us

Exhibit (C)(8) Preliminary Draft - Confidential Project Achieve Presentation to the Special Committee to the Board of Directors April 12, 2023 Preliminary Draft - Confidential These materials have been prepared by Evercore Group L.

September 28, 2023 EX-99.(C)(2)

Confidential Organizational Materials January 27, 2023 P ROJECT A BACUS [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended. This in

Exhibit (C)(2) Confidential Organizational Materials January 27, 2023 P ROJECT A BACUS [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

September 28, 2023 EX-99.(C)(16)

Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of Arco Platform Limited (the “Company”) to whom such materials are directly addressed

Exhibit (C)(16) Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors August 10, 2023 Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.

September 28, 2023 EX-99.(C)(7)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee to the Board of Directors April 4, 2023 [***] indicates information has been omitted on the basis of a confidential treatment re

Exhibit (C)(7) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee to the Board of Directors April 4, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

September 28, 2023 EX-99.(C)(12)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors May 18, 2023 [***] indicates information has been omitted on the basis of a confidential treatment req

Exhibit (C)(12) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Presentation to the Special Committee of the Board of Directors May 18, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

September 28, 2023 SC 13E3

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve Merger Sub Arco P

TABLE OF CONTENTS SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13E-3 Rule 13e-3 Transaction Statement under Section 13(e) of the Securities Exchange Act of 1934 Arco Platform Limited (Name of the Issuer) Achieve Holdings Achieve Merger Sub Arco Platform Limited OSC Investments Ltd. Oto Brasil de Sá Cavalcante Ari de Sá Cavalcante Neto ASCN Investments Ltd. GA IS Holding, L.P.

September 28, 2023 EX-99.(C)(9)

Preliminary Draft - Confidential These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of Arco Platform Limited (the “Company”) to whom such materials are directly addressed and delivered and may not be us

Exhibit (C)(9) Preliminary Draft - Confidential Project Achieve Presentation to the Special Committee of the Board of Directors April 21, 2023 Preliminary Draft - Confidential These materials have been prepared by Evercore Group L.

September 28, 2023 EX-99.(A)(1)

ARCO PLATFORM LIMITED NOTICE OF EXTRAORDINARY GENERAL MEETING OF SHAREHOLDERS TO BE HELD ON [      ], 2023

TABLE OF CONTENTS Exhibit (a)(1) PROXY STATEMENT OF THE COMPANY [    ], 2023 Shareholders of Arco Platform Limited Re: Notice of Extraordinary General Meeting of Shareholders Dear Shareholder: You are cordially invited to attend an extraordinary general meeting of shareholders of Arco Platform Limited (the “Company”) to be held on [     ], 2023 at [     ] (Brasilia time).

September 28, 2023 EX-99.(C)(3)

Preliminary Draft – Confidential Project Achieve Management Projections Process Overview ◼ Evercore / Seneca Evercore have analyzed data provided by Achieve management and conducted multiple calls and email exchanges with CFO Roberto Otero, Investor

Exhibit (C)(3) Preliminary Draft – Confidential Project Achieve Discussion Materials February 22, 2023 Preliminary Draft – Confidential Project Achieve Management Projections Process Overview ◼ Evercore / Seneca Evercore have analyzed data provided by Achieve management and conducted multiple calls and email exchanges with CFO Roberto Otero, Investor Relations Director Carina Carreira, and other m

September 28, 2023 EX-99.(C)(11)

Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.L.C. (“Evercore”) for the Special Committee of Arco Platform Limited (the “Company”) to whom such materials are

Exhibit (C)(11) Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve Selected Pages from April 24th Presentation Materials May 16, 2023 Preliminary Draft – Confidential Prepared at the Request of Counsel Project Achieve These materials have been prepared by Evercore Group L.

September 28, 2023 EX-99.(C)(5)

Preliminary Draft – Confidential Project Achieve Presentation to the Special Committee to the Board of Directors February 28, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2

Exhibit (C)(5) Preliminary Draft – Confidential Project Achieve Presentation to the Special Committee to the Board of Directors February 28, 2023 [***] indicates information has been omitted on the basis of a confidential treatment request pursuant to Rule 24b - 2 of the Securities Exchange Act of 1934, as amended.

August 31, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-

August 31, 2023 EX-99.1

Healthy cash generation trend continues in the 2023 cycle Financial & Management Solutions post strong growth with margin gains

Arco Reports Second Quarter 2023 Results Healthy cash generation trend continues in the 2023 cycle Financial & Management Solutions post strong growth with margin gains São Paulo, Brazil, August 31, 2023 – Arco Platform Limited, or Arco or the Company (Nasdaq: ARCE), today reported financial and operating results for the second quarter ended June 30, 2023.

August 31, 2023 EX-99.1

June 30,

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements June 30, 2023 Arco Platform Limited Interim condensed consolidated statements of financial position As of June 30, 2023 and December 31, 2022 (In thousands of Brazilian reais, unless otherwise stated) Notes June 30, 2023 December 31, 2022 (unaudited) Assets Current assets Cash and cash equivalents 4 40

August 31, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-

August 18, 2023 SC 13D

ARCE / Arco Platform Ltd - Class A / Keenan Capital, LLC - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 ARCO PLATFORM LIMITED (Name of Issuer) Class A Common Stock, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Charles J. Keenan, IV Keenan Capital, LLC 1229 Burlingame Avenue, Suite 201 Burlingame, CA 94010 (650) 344-3334 (Name, Address

August 18, 2023 EX-99.A

Joint Filing Agreement

Exhibit A Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons on behalf of each of them a statement on Schedule 13D (including amendments thereto) with respect to the Class A Common Stock, par value $0.

August 17, 2023 EX-1

JOINT FILING AGREEMENT

EX-1 2 w664003323b.htm JOINT FILING AGREEMENT EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d−1(k)(1) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a statement on Schedule 13D (including amendments thereto) with respect to the Shares of Arco Platform Limited and further agree that this Joint Filing

August 17, 2023 SC 13D

ARCE / Arco Platform Ltd - Class A / Wishbone Management, LP - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* Arco Platform Limited (Name of Issuer) Ordinary Shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) John Harris, Managing Director Wishbone Management, LP 444 West Lake Street, 49th Floor Chicago, Illinois 60606 31

August 14, 2023 EX-99.8

INTERIM INVESTORS’ AGREEMENT

Exhibit 8 INTERIM INVESTORS’ AGREEMENT This INTERIM INVESTORS’ AGREEMENT (this “Agreement”) is dated as of August 10, 2023, by and among (i) Achieve Holdings, an exempted company with limited liability incorporated under the Law of the Cayman Islands and having its registered office at Walkers Corporate Limited, 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, Cayman Islands (“Parent”), (ii) Achieve Merger Sub, an exempted company with limited liability incorporated under the Law of the Cayman Islands and a wholly-owned subsidiary of Parent having its registered office at Walkers Corporate Limited, 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, Cayman Islands (“Merger Sub”), (iii) General Atlantic Arco (Bermuda) 2, L.

August 14, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Brasil de Sa Cavalcante Oto - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Oto Brasil de Sá Cavalcante Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Bra

August 14, 2023 EX-99.7

EQUITY COMMITMENT LETTER GENERAL ATLANTIC PARTNERS (BERMUDA) IV, L.P. August 10, 2023

EX-99.7 2 eh230390751ex07.htm EXHIBIT 7 EXHIBIT 7 EXECUTION VERSION EQUITY COMMITMENT LETTER GENERAL ATLANTIC PARTNERS (BERMUDA) IV, L.P. August 10, 2023 ACHIEVE HOLDINGS Walkers Corporate Limited 190 Elgin Avenue, George Town, Grand Cayman KY1-9008, Cayman Islands Ladies and Gentlemen: This letter agreement is being delivered by and sets forth the commitment of the undersigned (the “Sponsor”), on

August 14, 2023 EX-99.8

ROLLOVER AND SUPPORT AGREEMENT

EX-99.8 3 d524415dex998.htm EX-8 Exhibit 8 Execution Version ROLLOVER AND SUPPORT AGREEMENT This ROLLOVER AND SUPPORT AGREEMENT (this “Agreement”) is entered into as of August 10, 2023, by and among: 1. Achieve Holdings, an exempted company with limited liability incorporated under the Laws of the Cayman Islands (“Parent”); 2. each person listed in the column titled “Supporting Shareholder” in Sch

August 14, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / GENERAL ATLANTIC LLC - AMENDMENT NO. 6 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 6)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 100

August 14, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / de Sa Cavalcante Neto Ari - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Ari de Sá Cavalcante Neto Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Brazi

August 14, 2023 EX-99.7

ROLLOVER AND SUPPORT AGREEMENT

Exhibit 7 ROLLOVER AND SUPPORT AGREEMENT This ROLLOVER AND SUPPORT AGREEMENT (this “Agreement”) is entered into as of August 10, 2023, by and among: 1.

August 14, 2023 EX-99.8

INTERIM INVESTORS’ AGREEMENT

Exhibit 8 INTERIM INVESTORS’ AGREEMENT This INTERIM INVESTORS’ AGREEMENT (this “Agreement”) is dated as of August 10, 2023, by and among (i) Achieve Holdings, an exempted company with limited liability incorporated under the Law of the Cayman Islands and having its registered office at Walkers Corporate Limited, 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, Cayman Islands (“Parent”), (ii) Achieve Merger Sub, an exempted company with limited liability incorporated under the Law of the Cayman Islands and a wholly-owned subsidiary of Parent having its registered office at Walkers Corporate Limited, 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, Cayman Islands (“Merger Sub”), (iii) General Atlantic Arco (Bermuda) 2, L.

August 14, 2023 EX-99.9

INTERIM INVESTORS’ AGREEMENT

EX-9 Exhibit 9 Execution Version INTERIM INVESTORS’ AGREEMENT This INTERIM INVESTORS’ AGREEMENT (this “Agreement”) is dated as of August 10, 2023, by and among (i) Achieve Holdings, an exempted company with limited liability incorporated under the Law of the Cayman Islands and having its registered office at Walkers Corporate Limited, 190 Elgin Avenue, George Town, Grand Cayman, KY1-9008, Cayman I

August 14, 2023 EX-99.8

ROLLOVER AND SUPPORT AGREEMENT

EX-99.8 3 eh230390751ex08.htm EXHIBIT 8 EXHIBIT 8 Execution Version ROLLOVER AND SUPPORT AGREEMENT This ROLLOVER AND SUPPORT AGREEMENT (this “Agreement”) is entered into as of August 10, 2023, by and among: 1. Achieve Holdings, an exempted company with limited liability incorporated under the Laws of the Cayman Islands (“Parent”); 2. each person listed in the column titled “Supporting Shareholder”

August 14, 2023 EX-99.7

ROLLOVER AND SUPPORT AGREEMENT

Exhibit 7 ROLLOVER AND SUPPORT AGREEMENT This ROLLOVER AND SUPPORT AGREEMENT (this “Agreement”) is entered into as of August 10, 2023, by and among: 1.

August 14, 2023 EX-99.7

EQUITY COMMITMENT LETTER DRAGONEER GLOBAL FUND II, L.P. August 10, 2023

EX-7 Exhibit 7 EXECUTION VERSION EQUITY COMMITMENT LETTER DRAGONEER GLOBAL FUND II, L.

August 14, 2023 EX-99.9

INTERIM INVESTORS’ AGREEMENT

EX-99.9 4 eh230390751ex09.htm EXHIBIT 9 EXHIBIT 9 Execution Version INTERIM INVESTORS’ AGREEMENT This INTERIM INVESTORS’ AGREEMENT (this “Agreement”) is dated as of August 10, 2023, by and among (i) Achieve Holdings, an exempted company with limited liability incorporated under the Law of the Cayman Islands and having its registered office at Walkers Corporate Limited, 190 Elgin Avenue, George Tow

August 14, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Dragoneer Investment Group, LLC - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San F

August 11, 2023 EX-99.2

AGREEMENT AND PLAN OF MERGER by and among ACHIEVE HOLDINGS, ACHIEVE MERGER SUB, and ARCO PLATFORM LIMITED Dated as of August 10, 2023

Exhibit 99.2 EXECUTION VERSION AGREEMENT AND PLAN OF MERGER by and among ACHIEVE HOLDINGS, ACHIEVE MERGER SUB, and ARCO PLATFORM LIMITED Dated as of August 10, 2023 THIS DOCUMENT HAS BEEN PREPARED SOLELY TO FACILITATE DISCUSSIONS OF A POSSIBLE TRANSACTION AMONG THE PARTIES IDENTIFIED HEREIN IF DETERMINED APPROPRIATE BY THE SPECIAL COMMITTEE OF THE BOARD OF DIRECTORS OF ACHIEVE. IT IS NOT INTENDED,

August 11, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-10

August 11, 2023 EX-99.1

Transaction Delivers Substantial 55% Premium Over Closing Share Price on November 30, 2022 Definitive Agreement Unanimously Recommended by Special Committee of Independent Directors of Board of Arco Following Independent and Thorough Evaluation Proce

Exhibit 99.1 Arco Enters into Agreement to Go Private at a Price of US$14 per Share in Cash Transaction Delivers Substantial 55% Premium Over Closing Share Price on November 30, 2022 Definitive Agreement Unanimously Recommended by Special Committee of Independent Directors of Board of Arco Following Independent and Thorough Evaluation Process and Negotiations Founders to Maintain Controlling Owner

August 10, 2023 SC 13G/A

ARCE / Arco Platform Ltd - Class A / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) July 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedul

July 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of July 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-10

July 26, 2023 EX-99.1

Arco announces closing of

Exhibit 99.1 Arco announces closing of Debentures issuance in Brazil by Companhia Brasileira de Educação e Sistemas de Ensino S.A. São Paulo, Brazil, July 26, 2023 – Arco Platform Limited, or Arco or the Company (Nasdaq: ARCE), announced today that Companhia Brasileira de Educação e Sistemas de Ensino S.A. (“CBE” or “Issuer”), its indirect wholly-owned subsidiary, concluded the issuance of 550,000

May 25, 2023 EX-99.1

March 31,

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements March 31, 2023 Arco Platform Limited Interim condensed consolidated statements of financial position As of March 31, 2023 and December 31, 2022 (In thousands of Brazilian reais, unless otherwise stated) Notes March 31, 2023 December 31, 2022 (unaudited) Assets Current assets Cash and cash equivalents 4

May 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-100

May 25, 2023 EX-99.1

Arco delivers strong cash performance in 1Q23 with R$ 208M free cash flow to firm and debuts new financial & management segment in the p&l following isaac acquisition

Exhibit 99.1 Arco Reports First Quarter 2023 Results Arco delivers strong cash performance in 1Q23 with R$ 208M free cash flow to firm and debuts new financial & management segment in the p&l following isaac acquisition São Paulo, Brazil, May 25, 2023 – Arco Platform Limited, or Arco or the Company (Nasdaq: ARCE), today reported financial and operating results for the first quarter ended March 31,

May 25, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-100

May 1, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Brasil de Sa Cavalcante Oto - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Oto Brasil de Sá Cavalcante Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Bra

May 1, 2023 EX-99.4

April 30, 2023

EX-99.4 Exhibit 4 April 30, 2023 The Special Committee of the Board of Directors (the “Special Committee”) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Dear Members of the Committee: Following our price negotiations with Evercore Group L.L.C. (“Evercore”), the financial advisor to the Special Committee, General Atlantic L.P. (“General Atla

May 1, 2023 EX-99.1

Arco Provides Update Related to

Exhibit 99.1 Arco Provides Update Related to the Non-Binding Proposal São Paulo, Brazil, May 1, 2023 – Arco Platform Limited, or “Arco” or “Company” (Nasdaq: ARCE), today announced that the special committee of the board of directors (the “Special Committee”) received a revised non-binding proposal from General Atlantic L.P. (“General Atlantic”) and Dragoneer Investment Group, LLC (“Dragoneer”) to

May 1, 2023 EX-99.5

April 30, 2023

EXHIBIT 5 April 30, 2023 The Special Committee of the Board of Directors (the “Special Committee”) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Dear Members of the Committee: Following our price negotiations with Evercore Group L.

May 1, 2023 EX-99.5

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Exhibit 5 EXECUTION VERSION April 30, 2023 Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Attn: Oto Brasil de Sá Cavalcante and Ari de Sá Cavalcante Neto Re: Extension of Joint Bidding Agreement Ladies and Gentlemen: Reference is made to that certain Joint Bidding Agreement (the “Agreement”), dated as of November 30, 2022, by and among (i) General Atlantic L.

May 1, 2023 EX-99.4

[Remainder of Page Intentionally Left Blank]

EXHIBIT 4 EXECUTION VERSION April 30, 2023 Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Attn: Oto Brasil de Sá Cavalcante and Ari de Sá Cavalcante Neto Re: Extension of Joint Bidding Agreement Ladies and Gentlemen: Reference is made to that certain Joint Bidding Agreement (the “Agreement”), dated as of November 30, 2022, by and among (i) General Atlantic L.

May 1, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100,

May 1, 2023 EX-99.5

[Remainder of Page Intentionally Left Blank]

Exhibit 5 EXECUTION VERSION April 30, 2023 Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Attn: Oto Brasil de Sá Cavalcante and Ari de Sá Cavalcante Neto Re: Extension of Joint Bidding Agreement Ladies and Gentlemen: Reference is made to that certain Joint Bidding Agreement (the “Agreement”), dated as of November 30, 2022, by and among (i) General Atlantic L.

May 1, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Dragoneer Investment Group, LLC - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San F

May 1, 2023 EX-99.4

The Special Committee of the Board of Directors (the “

Exhibit 4 - April 30, 2023 The Special Committee of the Board of Directors (the “Special Committee”) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Dear Members of the Committee: Following our price negotiations with Evercore Group L.

May 1, 2023 EX-99.4

The Special Committee of the Board of Directors (the “

Exhibit 4 - April 30, 2023 The Special Committee of the Board of Directors (the “Special Committee”) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Dear Members of the Committee: Following our price negotiations with Evercore Group L.

May 1, 2023 EX-99.5

[Remainder of Page Intentionally Left Blank]

EX-99.5 Exhibit 5 EXECUTION VERSION April 30, 2023 Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Attn: Oto Brasil de Sá Cavalcante and Ari de Sá Cavalcante Neto Re: Extension of Joint Bidding Agreement Ladies and Gentlemen: Reference is made to that certain Joint Bidding Agreement (the “Agreement”), dated as of November 30, 2022, by and am

May 1, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / de Sa Cavalcante Neto Ari - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Ari de Sá Cavalcante Neto Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Brazi

May 1, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / GENERAL ATLANTIC LLC - AMENDMENT NO. 5 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 5)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 100

March 31, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / Dragoneer Investment Group, LLC - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San F

March 31, 2023 EX-13.1

Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Executive Officer.*

Exhibit 13.1 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The certification set forth below is being submitted in connection with the Annual Report on Form 20-F of Arco Platform Limited (the “Company”) for the fiscal year ended December 31, 2022 (the “Report”), I, Ari de Sá Cavalcante Neto,

March 31, 2023 EX-12.1

Certification pursuant to section 302 of the Sarbanes-Oxley Act of 2002 of the Chief Executive Officer.*

Exhibit 12.1 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Ari de Sá Cavalcante Neto, certify that: 1. I have reviewed this annual report on Form 20-F of Arco Platform Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statement

March 31, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / GENERAL ATLANTIC LLC - AMENDMENT NO. 4 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 4)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 100

March 31, 2023 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ☐ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF

March 31, 2023 EX-21.1

List of subsidiaries.*

Exhibit 21.1 List of Subsidiaries The table below is a complete list of the Company’s subsidiaries as of December 31, 2022: Name Principal Activities Country Arco Educação S.A. Holding Brazil Arce Participações Ltda. Holding Brazil Companhia Brasileira de Educação e Sistemas de Ensino S.A. Educational content Brazil SAE Digital S.A. Educational content Brazil International School Serviços de Ensin

March 31, 2023 EX-12.2

Certification pursuant to section 302 of the Sarbanes-Oxley Act of 2002 of the Chief Financial Officer.*

Exhibit 12.2 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Roberto Rabello Otero, certify that: 1. I have reviewed this annual report on Form 20-F of Arco Platform Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements ma

March 31, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3867

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-1

March 31, 2023 EX-13.2

Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Financial Officer.*

Exhibit 13.2 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The certification set forth below is being submitted in connection with the Annual Report on Form 20-F of Arco Platform Limited (the “Company”) for the fiscal year ended December 31, 2022 (the “Report”), I, Roberto Rabello Otero, cer

March 31, 2023 EX-99.1

December 31, 2022

Exhibit 99.1 Arco Platform Limited Consolidated financial statements December 31, 2022 Arco Platform Limited Consolidated statements of financial position As of December 31, 2022 and 2021 (In thousands of Brazilian reais, unless otherwise stated) Notes December 31, 2022 December 31, 2021 Assets Current assets Cash and cash equivalents 5 216,360 211,143 Financial investments 6 391,785 973,294 Trade

March 30, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-3867

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 15th floor, suite 152 Consolação, São Paulo – SP 01412-1

March 30, 2023 EX-99.1

In 2022 Arco delivered a 44% increase in revenues to R$1,775 million and a 50% increase in adjusted EBITDA to R$648 million; 2023 ACV confirmed at R$1,930 million, a 24% YoY growth

Exhibit 99.1 Arco Reports Fourth Quarter and Full Year 2022 Results In 2022 Arco delivered a 44% increase in revenues to R$1,775 million and a 50% increase in adjusted EBITDA to R$648 million; 2023 ACV confirmed at R$1,930 million, a 24% YoY growth São Paulo, Brazil, March 30, 2023 – Arco Platform Limited, or Arco or the Company (Nasdaq: ARCE), today reported financial and operating results for th

February 24, 2023 SC 13D/A

ARCE / Arco Platform Ltd - Class A / de Sa Cavalcante Neto Ari - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Ari de Sá Cavalcante Neto Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Brazi

February 14, 2023 EX-99.(A)

Joint Filing Agreement

EX-99.(A) 2 ex1.htm JOINT FILING AGREEMENT Keenan Capital, LLC SC 13G/A Exhibit A Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to above) on behalf of each of them a statement on Schedule

February 14, 2023 SC 13G/A

ARCE / Arco Platform Ltd / Arisaig Partners (Asia) Pte Ltd. Passive Investment

SC 13G/A 1 d993527413g-a.htm UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2)* Arco Platform Ltd. (Name of Issuer) Class A Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate t

February 14, 2023 SC 13G/A

ARCE / Arco Platform Ltd / Keenan Capital, LLC - AMENDMENT TO FORM SC 13G Passive Investment

SC 13G/A 1 arce-sc13ga123122.htm AMENDMENT TO FORM SC 13G SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 4) Arco Platform Ltd. (Name of Issuer) Class A Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate bo

February 13, 2023 SC 13G/A

ARCE / Arco Platform Ltd / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to

February 13, 2023 SC 13G/A

ARCE / Arco Platform Ltd / Fourth Sail Capital LP - SC 13G/A Passive Investment

SC 13G/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

February 6, 2023 SC 13G/A

ARCE / Arco Platform Ltd / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

January 26, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File Number: 001-38

6-K 1 dp1876756k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Cons

January 26, 2023 EX-99.1

São Paulo, Brazil, January 26, 2023 – Arco Platform Limited, or “Arco” or “Company” (Nasdaq: ARCE)

Exhibit 99.1 Arco Provides Update Related to the Non-binding Proposal São Paulo, Brazil, January 26, 2023 – Arco Platform Limited, or “Arco” or “Company” (Nasdaq: ARCE), today announced that its board of directors (the “Board”) formed in December 2022 a special committee (the “Special Committee”) consisting of four independent and disinterested directors, Beatriz Amary, Carla Schmitzberger, Edward

January 11, 2023 SC 13D/A

ARCE / Arco Platform Ltd / Dragoneer Investment Group, LLC - SC 13D/A Activist Investment

SC 13D/A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San F

January 11, 2023 SC 13D/A

ARCE / Arco Platform Ltd / de Sa Cavalcante Neto Ari - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Ari de Sá Cavalcante Neto Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Brazi

January 11, 2023 SC 13D/A

ARCE / Arco Platform Ltd / Brasil de Sa Cavalcante Oto - FORM SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Oto Brasil de Sá Cavalcante Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Bra

January 11, 2023 SC 13D/A

ARCE / Arco Platform Ltd / GENERAL ATLANTIC LLC - AMENDMENT NO. 3 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 3)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 100

January 6, 2023 SC 13D/A

ARCE / Arco Platform Ltd / GENERAL ATLANTIC LLC - AMENDMENT NO. 2 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 2)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 100

January 6, 2023 SC 13D/A

ARCE / Arco Platform Ltd / Dragoneer Investment Group, LLC - SC 13D/A Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San Francisco,

January 3, 2023 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of January 2023 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-1

January 3, 2023 EX-99.1

The combination of Arco and isaac creates the world’s largest operating system for schools

EX-99.1 2 dp186540ex9901.htm EXHIBIT 99.1 EXHIBIT 99.1 Arco completes the acquisition of isaac The combination of Arco and isaac creates the world’s largest operating system for schools São Paulo, Brazil, January 3rd, 2023 – Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today announced the completion of the previously announced acquisition of isaac, or the Transaction. Under the terms

December 2, 2022 EX-99.2

JOINT BIDDING AGREEMENT

EX-99.2 3 dp185246ex9902.htm EXHIBIT 2 EXHIBIT 2 JOINT BIDDING AGREEMENT This JOINT BIDDING AGREEMENT (this “Agreement”), dated as of November 30, 2022, is made and entered by and among (i) General Atlantic L.P. (“General Atlantic”), as advisor to its affiliated investment funds, (ii) Dragoneer Investment Group, LLC (“Dragoneer” and, together with General Atlantic, the “Sponsors”), as advisor to i

December 2, 2022 EX-99.3

EXHIBIT 3

EXHIBIT 3 November 30, 2022 The Board of Directors (the “Board”) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Dear Directors: General Atlantic L.

December 2, 2022 EX-99.1

AGREEMENT

EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them.

December 2, 2022 EX-99.1

Joint Filing Agreement dated November 30, 2022, by and between ASCN Investments Ltd. and Ari de Sá Cavalcante Neto

EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Schedule 13D (including any and all amendments thereto) with respect to the Class A common shares, par value $0.

December 2, 2022 EX-99.1

Exhibit 1: Joint Filing Agreement dated November 30, 2022, by and between OSC Investments Ltd. and Oto Brasil de Sá Cavalcante

EXHIBIT 1 JOINT FILING AGREEMENT In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Schedule 13D (including any and all amendments thereto) with respect to the Class A common shares, par value $0.

December 2, 2022 SC 13D

ARCE / Arco Platform Ltd / Brasil de Sa Cavalcante Oto - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Oto Brasil de S? Cavalcante Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP, 01412-100 Braz

December 2, 2022 EX-99.2

JOINT BIDDING AGREEMENT

EXHIBIT 2 JOINT BIDDING AGREEMENT This JOINT BIDDING AGREEMENT (this “Agreement”), dated as of November 30, 2022, is made and entered by and among (i) General Atlantic L.

December 2, 2022 SC 13D

ARCE / Arco Platform Ltd / de Sa Cavalcante Neto Ari - FORM SC 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Ari de Sá Cavalcante Neto Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP, 01412-100 Brazil

December 2, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Fourth Sail Capital LP - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) December 1, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

December 2, 2022 EX-99.3

Exhibit 3: Non-Binding Indication of Interest to the Board of Directors of Arco Platform Limited, dated November 30, 2022

EXHIBIT 3 November 30, 2022 The Board of Directors (the ?Board?) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100, Brazil Dear Directors: General Atlantic L.

December 1, 2022 EX-99.2

JOINT BIDDING AGREEMENT

EX-99.2 Exhibit 99.2 CONFIDENTIAL JOINT BIDDING AGREEMENT This JOINT BIDDING AGREEMENT (this “Agreement”), dated as of November 30, 2022, is made and entered by and among (i) General Atlantic L.P. (“General Atlantic”), as advisor to its affiliated investment funds, (ii) Dragoneer Investment Group, LLC (“Dragoneer” and, together with General Atlantic, the “Sponsors”), as advisor to its affiliated i

December 1, 2022 EX-99.1

Arco announces receipt of

EXHIBIT 99.1 Arco announces receipt of non-binding going private proposal S?o Paulo, Brazil, November 30, 2022 ? Arco Platform Limited, or ?Arco? or the ?Company? (Nasdaq: ARCE), today announced that its board of directors has received a preliminary non-binding proposal (the ?Proposal?) dated November 30, 2022 from General Atlantic L.P. (?General Atlantic?) and Dragoneer Investment Group, LLC (?Dr

December 1, 2022 EX-99.1

Nine-month period ended

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements September 30, 2022 Arco Platform Limited Interim condensed consolidated statements of financial position As of September 30, 2022 and December 31, 2021 (In thousands of Brazilian reais, unless otherwise stated) Notes September 30, 2022 December 31, 2021 (unaudited) Assets Current assets Cash and cash e

December 1, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

December 1, 2022 SC 13D/A

ARCE / Arco Platform Ltd / GENERAL ATLANTIC LLC - AMENDMENT NO. 1 Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. 1)* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 100

December 1, 2022 EX-99.3

November 30, 2022

EX-99.3 Exhibit 99.3 November 30, 2022 The Board of Directors (the “Board”) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil Dear Directors: General Atlantic L.P. (“General Atlantic”) and Dragoneer Investment Group, LLC (“Dragoneer”) are pleased to submit this preliminary non-binding proposal to acquire all of the outstanding Class A common sh

December 1, 2022 EX-99.2

JOINT BIDDING AGREEMENT

EXHIBIT 2 JOINT BIDDING AGREEMENT This JOINT BIDDING AGREEMENT (this ?Agreement?), dated as of November 30, 2022, is made and entered by and among (i) General Atlantic L.

December 1, 2022 EX-99.1

Arco concluded the 2022 cycle with organic net revenue growth of 34% over the 2021 cycle at R$1,561 million (100% ACV recognition) and improved profitability

Exhibit 99.1 Arco Reports Third Quarter 2022 Results Arco concluded the 2022 cycle with organic net revenue growth of 34% over the 2021 cycle at R$1,561 million (100% ACV recognition) and improved profitability S?o Paulo, Brazil, December 1st, 2022 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating results for the third quarter ended September 30th,

December 1, 2022 SC 13D

ARCE / Arco Platform Ltd / Dragoneer Investment Group, LLC - SC 13D Activist Investment

SC 13D UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 (Amendment No. )* ARCO PLATFORM LIMITED (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Dimitruk Dragoneer Investment Group, LLC One Letterman Drive, Building D, Suite M500 San Fran

December 1, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

December 1, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

December 1, 2022 EX-99.3

November 30, 2022

EXHIBIT 3 November 30, 2022 The Board of Directors (the ?Board?) Arco Platform Limited Rua Augusta 2840 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100, Brazil Dear Directors: General Atlantic L.

December 1, 2022 EX-99.1

In accordance

EX-99.1 Exhibit 99.1 In accordance with Rule 13d-1(k) of the Securities Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including any and all amendments thereto) with respect to the Class A common shares, par value $0.00005 per share, of Arco Platform Limited and further agree that this Joint Filing Agreement sha

November 28, 2022 SC 13G

ARCE / Arco Platform Ltd / Fourth Sail Capital LP - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) November 18, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to d

November 28, 2022 EX-99.1

AGREEMENT

EX-99.1 EXHIBIT 1 AGREEMENT The persons below hereby agree that the Schedule 13G to which this agreement is attached as an exhibit, as well as all future amendments to such Schedule 13G, shall be filed on behalf of each of them. This agreement is intended to satisfy the requirements of Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934. Date: November 28, 2022 FOURTH SAIL CAPITAL LP B

October 7, 2022 EX-99.1

The combination of Arco and isaac creates the world’s largest operating system for schools

Exhibit 99.1 Arco signs definitive agreement to acquire isaac The combination of Arco and isaac creates the world?s largest operating system for schools S?o Paulo, Brazil, October 6th, 2022 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today announced that it has entered into a definitive agreement (the ?Purchase Agreement?) to acquire 75.1% of the share capital of INCO Limited (d/b/

October 7, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 001-38

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-1

August 18, 2022 EX-99.1

Arco delivers R$412.1 million in revenues in 2Q22, a 61% increase versus 2Q21

Exhibit 99.1 Arco Reports Second Quarter 2022 Results Arco delivers R$412.1 million in revenues in 2Q22, a 61% increase versus 2Q21 S?o Paulo, Brazil, August 18, 2022 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating results for the second quarter ended June 30, 2022. Ari de S? Neto, CEO and founder 1) Please see Adjusted EBITDA Reconciliation on pa

August 18, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

August 18, 2022 EX-99.1

June 30, 2022

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements June 30, 2022 Arco Platform Limited Interim condensed consolidated statements of financial position As of June 30, 2022 and December 31, 2021 (In thousands of Brazilian reais, unless otherwise stated) Notes June 30, 2022 December 31, 2021 (unaudited) Assets Current assets Cash and cash equivalents 3 37

August 18, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

August 5, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

August 5, 2022 EX-99.1

Arco announces closing of Debentures issuance in Brazil by Companhia Brasileira de Educação e Sistemas de Ensino S.A.

Exhibit 99.1 Arco announces closing of Debentures issuance in Brazil by Companhia Brasileira de Educa??o e Sistemas de Ensino S.A. S?o Paulo, Brazil, August 5, 2022 ? Arco Platform Limited (?Arco? or ?Company?) (Nasdaq: ARCE), announced today that Companhia Brasileira de Educa??o e Sistemas de Ensino S.A. (?CBE? or ?Issuer?), its indirect wholly-owned subsidiary, concluded the issuance of 1,200,00

May 24, 2022 EX-99.1

Arco Reports First Quarter 2022 Results Arco delivers R$430.0 million in revenues and 34.1% adjusted EBITDA margin for 1Q22, and reaffirms ACV for 2022 at R$1,560 million and adjusted EBITDA margin guidance range of 36.5% to 38.5%

Exhibit 99.1 Arco Reports First Quarter 2022 Results Arco delivers R$430.0 million in revenues and 34.1% adjusted EBITDA margin for 1Q22, and reaffirms ACV for 2022 at R$1,560 million and adjusted EBITDA margin guidance range of 36.5% to 38.5% S?o Paulo, Brazil, May 24, 2022 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating results for the first qua

May 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100,

May 24, 2022 EX-99.1

March 31, 2022

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements March 31, 2022 Arco Platform Limited Interim condensed consolidated statements of financial position As of March 31, 2022 and December 31, 2021 (In thousands of Brazilian reais, unless otherwise stated) Notes March 31,2022 December 31, 2021 (unaudited) Assets Current assets Cash and cash equivalents 3

May 24, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100,

April 29, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2022 Commission File Number: 001-3867

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

April 29, 2022 EX-99.1

Arco Platform Limited announces results of Annual General Meeting Held on April 29, 2022

Exhibit 99.1 Arco Platform Limited announces results of Annual General Meeting Held on April 29, 2022 S?o Paulo, Brazil, April 29, 2022 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that the resolutions as set out in its Notice of Annual General Meeting dated April 13, 2022 were duly passed at its Annual General Meeting held today. About Arco Platform Limited (Nasdaq: ARCE) Arco

April 13, 2022 EX-99.2

Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil PROXY STATEMENT

Exhibit 99.2 Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100, Brazil PROXY STATEMENT General The board of directors of Arco Platform Limited (the ?Company? or ?we ?) is soliciting proxies for the annual general meeting of shareholders (the ?AGM?) of the Company to be held on April 29, 2022 at 2:00 p.m., S?o Paulo time, being 1:00 p.m., Eastern Dayli

April 13, 2022 EX-99.2

Arco Platform Limited (the "Company") FORM OF PROXY FOR SHAREHOLDERS

Exhibit 99.3 NOTES IF YOU HAVE EXECUTED A STANDING PROXY, YOUR STANDING PROXY WILL BE VOTED AS INDICATED IN NOTE 2 BELOW, UNLESS YOU ATTEND THE AGM IN PERSON OR SEND IN A SPECIFIC PROXY. 1 A proxy need not be a shareholder of the Company. A shareholder entitled to attend and vote at the AGM is entitled to appoint one or more proxies to attend and vote in his/her stead. 2 Any standing proxy previou

April 13, 2022 EX-99.1

ARCO PLATFORM LIMITED NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held April 29, 2022

Exhibit 99.1 ARCO PLATFORM LIMITED NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held April 29, 2022 NOTICE IS HEREBY GIVEN that an Annual General Meeting of the Company (the ?AGM?) will be held at the offices of the Company located at Rua Augusta 2840, 9th floor, suite 91, Consola??o, S?o Paulo ? SP, 01412-100, Brazil on April 29, 2022 at 2:00 pm (S?o Paulo time). The AGM will be held fo

April 13, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2022 Commission File Number 001-38673 AR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April 2022 Commission File Number 001-38673 ARCO PLATFORM LIMITED (Exact name of registrant as specified in its charter) The Cayman Islands (State of incorporation or organization) Rua Augusta 284

March 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-3867

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

March 31, 2022 EX-13.2

Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Financial Officer.*

Exhibit 13.2 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The certification set forth below is being submitted in connection with the Annual Report on Form 20-F of Arco Platform Limited (the “Company”) for the fiscal year ended December 31, 2021 (the “Report”), I, Alexandre Nakamaru, certif

March 31, 2022 EX-12.1

Certification pursuant to section 302 of the Sarbanes-Oxley Act of 2002 of the Chief Executive Officer.*

Exhibit 12.1 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Ari de S? Cavalcante Neto, certify that: 1. I have reviewed this annual report on Form 20-F of Arco Platform Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statement

March 31, 2022 EX-99.1

December 31,

Exhibit 99.1 Arco Platform Limited Consolidated financial statements December 31, 2021 Arco Platform Limited Consolidated statements of financial position As of December 31, 2021 and 2020 (In thousands of Brazilian reais, unless otherwise stated) Notes December 31, 2021 December 31, 2020 Assets Current assets Cash and cash equivalents 5 211,143 424,410 Financial investments 6 973,294 712,645 Trade

March 31, 2022 20-F

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F

Table of Contents ? UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

March 31, 2022 EX-13.1

Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Executive Officer.*

Exhibit 13.1 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The certification set forth below is being submitted in connection with the Annual Report on Form 20-F of Arco Platform Limited (the “Company”) for the fiscal year ended December 31, 2021 (the “Report”), I, Ari de Sá Cavalcante Neto,

March 31, 2022 EX-12.2

Certification pursuant to section 302 of the Sarbanes-Oxley Act of 2002 of the Chief Financial Officer.*

Exhibit 12.2 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Roberto Rabello Otero, certify that: 1. I have reviewed this annual report on Form 20-F of Arco Platform Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements ma

March 31, 2022 EX-99.1

Arco Reports Fourth Quarter and Full Year 2021 Results Arco delivers R$1,232.1 million in revenues and 36.0% adjusted EBITDA margin[1] for FY2021 and confirms the ACV for 2022 above guidance at R$1,560 million

Exhibit 99.1 Arco Reports Fourth Quarter and Full Year 2021 Results Arco delivers R$1,232.1 million in revenues and 36.0% adjusted EBITDA margin[1] for FY2021 and confirms the ACV for 2022 above guidance at R$1,560 million S?o Paulo, Brazil, March 31, 2022 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating results for the fourth quarter and full year

March 31, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-3867

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

March 31, 2022 EX-21.1

List of subsidiaries.*

EX-21.1 6 arce-20211231xex21d1.htm EXHIBIT-21.1 Exhibit 21.1 List of Subsidiaries The table below is a complete list of the Company’s subsidiaries as of December 31, 2021: Name Principal Activities Country Arco Educação S.A. Holding Brazil Arce Participações Ltda. Holding Brazil Companhia Brasileira de Educação e Sistemas de Ensino S.A. Educational content Brazil SAE Digital S.A. Educational conte

February 14, 2022 SC 13G

ARCE / Arco Platform Ltd / Wishbone Management, LP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c) AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO RULE 13d-2(b) (Amendment No.

February 14, 2022 SC 13D

ARCE / Arco Platform Ltd / GENERAL ATLANTIC LLC - SCHEDULE 13D Activist Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13D Under the Securities Exchange Act of 1934 Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) Michael Gosk c/o General Atlantic Service Company, L.P. 55 East 52nd Street, 33rd Floor New York, New York 10055 (212) 715-4000 (

February 14, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Arisaig Partners (Asia) Pte Ltd. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

February 14, 2022 EX-99.1

JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13D-1(k)(1)

EXHIBIT 1 JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13D-1(k)(1) The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements.

February 14, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Keenan Capital, LLC - AMENDMENT TO FORM SC 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

February 14, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Dragoneer Investment Group, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1)* ARCO PLATFORM LTD. (Name of Issuer) Class A Common Shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designa

February 11, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Capital Research Global Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

February 11, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Capital World Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

February 11, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Jackson Square Partners, LLC - SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G* (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO § 240.13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO § 240.13d-2 (Amendment No. 3)* Arco Platform Limited (Name of Issuer) Common (Title of Class of Securities) G04553106 (CUSIP Number) 12/31/2021 (Date of Event Which Requi

February 7, 2022 SC 13G/A

ARCE / Arco Platform Ltd / de Sa Cavalcante Neto Ari - FORM SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Arco Platform Limited (Name of Issuer) Class A Common Shares, par value $0.00005 per share (Title of Class of Securities) G04553 106 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to des

February 7, 2022 SC 13G

ARCE / Arco Platform Ltd / WELLINGTON MANAGEMENT GROUP LLP - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

February 7, 2022 SC 13G/A

ARCE / Arco Platform Ltd / Brasil de Sa Cavalcante Oto - FORM SC 13G/A Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Arco Platform Limited (Name of Issuer) Class A Common Shares, par value $0.00005 per share (Title of Class of Securities) G04553 106 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to des

February 4, 2022 EX-99.1

Arco complements its supplemental portfolio with the acquisition of PGS and Mentes do Amanhã

Exhibit 99.1 Arco complements its supplemental portfolio with the acquisition of PGS and Mentes do Amanh? S?o Paulo, Brazil, February 3rd, 2022 ? Arco Platform Limited, or Arco (Nasdaq: ARCE) today announced that it has acquired in Brazil the following solutions from Pearson Education do Brasil Ltda.: (i) PGS: a K-12 bilingual courseware and teaching methodology, previously known as Pearson Global

February 4, 2022 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of February 2022 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

February 1, 2022 SC 13G/A

ARCE / Arco Platform Ltd / VICTORY CAPITAL MANAGEMENT INC Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3)* Arco Platform Ltd. (Name of Issuer) Common Stock (Title of Class of Securities) G04553106 (CUSIP Number) December 31, 2021 (Date of Event which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sche

December 16, 2021 SC 13G

ARCE / Arco Platform Ltd / Dragoneer Investment Group, LLC - SC 13G Passive Investment

SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* ARCO PLATFORM LTD. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) November 30, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to d

December 10, 2021 SC 13G

ARCE / Arco Platform Ltd / GENERAL ATLANTIC LLC - SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Arco Platform Ltd. (Name of Issuer) Class A common shares, par value $0.00005 per share (Title of Class of Securities) G04553106 (CUSIP Number) November 30, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuan

December 6, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

December 6, 2021 EX-99.1

THE POWER OF HAVING A STRONG PORTFOLIO This presentation contains forward - looking statements as pertains to Arco Platform Limited (the “Company”) within the meaning of the Private Securities Litigation Reform Act of 1995 , including, but not limite

Exhibit 99.1 1 THE POWER OF HAVING A STRONG PORTFOLIO This presentation contains forward - looking statements as pertains to Arco Platform Limited (the ?Company?) within the meaning of the Private Securities Litigation Reform Act of 1995 , including, but not limited to, the Company?s expectations or predictions of future financial or business performance conditions . The achievement or success of

December 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

December 1, 2021 EX-99.1

Arco announces Closing of US$150 million investment from Dragoneer and General Atlantic

Exhibit 99.1 Arco announces Closing of US$150 million investment from Dragoneer and General Atlantic S?o Paulo, Brazil, December 1, 2021 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that it closed its issuance of convertible senior notes pursuant to agreements entered into with affiliates of Dragoneer Investment Group LLC (?Dragoneer?), which have committed to make a US$100 mil

November 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

November 29, 2021 EX-99.1

Arco Reports Third Quarter 2021 Results Quarterly operating results still reflecting dropouts caused by COVID-19, as expected, while efficiency initiatives start to show positive results and commercial cycle for 2022 points to a strong growth recover

Exhibit 99.1 Arco Reports Third Quarter 2021 Results Quarterly operating results still reflecting dropouts caused by COVID-19, as expected, while efficiency initiatives start to show positive results and commercial cycle for 2022 points to a strong growth recovery S?o Paulo, Brazil, November 29, 2021 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating

November 29, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

November 29, 2021 EX-99.1

September 30,

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements September 30, 2021 Arco Platform Limited Interim condensed consolidated statements of financial position As of September 30, 2021 and December 31, 2020 (In thousands of Brazilian reais, unless otherwise stated) Notes September 30, 2021 December 31, 2020 Assets (unaudited) Current assets Cash and cash e

November 18, 2021 EX-99.1

Arco announces a US$150 million investment from Dragoneer and General Atlantic

Exhibit 99.1 Arco announces a US$150 million investment from Dragoneer and General Atlantic S?o Paulo, Brazil, November 18th, 2021 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that it has entered into agreements led by affiliates of Dragoneer Investment Group LLC (?Dragoneer?), which have committed to make a US$100 million strategic investment, and General Atlantic Partners (Be

November 18, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of November 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-

October 28, 2021 EX-99.(A)

Joint Filing Agreement

Exhibit A Joint Filing Agreement In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree to the joint filing with all other Reporting Persons (as such term is defined in the Schedule 13G referred to above) on behalf of each of them a statement on Schedule 13G (including amendments thereto) with respect to the Class A Common Stock, par value $0.

October 28, 2021 SC 13G/A

ARCE / Arco Platform Ltd / Keenan Capital, LLC - AMENDMENT TO FORM SC 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

October 1, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021 Commission File Number: 001-38

6-K 1 dp1591276k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Cons

October 1, 2021 EX-99.1

Arco receives antitrust approval and completes the acquisition of COC and Dom Bosco learning systems

Exhibit 99.1 Arco receives antitrust approval and completes the acquisition of COC and Dom Bosco learning systems S?o Paulo, Brazil, October 1, 2021 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that it received, on September 30, 2021, final antitrust approval from Brazil?s Administrative Council for Economic Defense ? CADE, with no conditions, in connection with its previously

September 2, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 Commission File Number: 001-

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of September 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412

September 2, 2021 EX-99.1

Arco announces appointment of two independent members to its Audit Committee

Exhibit 99.1 Arco announces appointment of two independent members to its Audit Committee S?o Paulo, Brazil, September 2, 2021 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), today announces that it has appointed Beatriz Amary and Carla Schmitzberger to its Audit Committee, effective as of today. Ms. Amary and Ms. Schmitzberger joined Arco?s Board of Directors as independent members in February 2

August 26, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

August 26, 2021 EX-99.1

Arco announces closing of Debentures issuance in Brazil by Companhia Brasileira de Educação e Sistemas de Ensino S.A.

Exhibit 99.1 Arco announces closing of Debentures issuance in Brazil by Companhia Brasileira de Educa??o e Sistemas de Ensino S.A. S?o Paulo, Brazil, August 26, 2021 ? Arco Platform Limited (?Arco? or ?Company?) (Nasdaq: ARCE), announces that, on August 25, 2021, Companhia Brasileira de Educa??o e Sistemas de Ensino S.A. (the ?Issuer?), its indirect wholly-owned subsidiary, closed the issuance of

August 19, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

August 19, 2021 EX-99.1

Arco Reports Second Quarter 2021 Results Operating results reflect revenue seasonality, product development and sales force increase, while cash flow improves as receivables are collected and the company resumes its cash generation profile

Exhibit 99.1 Arco Reports Second Quarter 2021 Results Operating results reflect revenue seasonality, product development and sales force increase, while cash flow improves as receivables are collected and the company resumes its cash generation profile S?o Paulo, Brazil, August 19, 2021 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating results for t

August 19, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

August 19, 2021 EX-99.1

June 30, 2021

EX-99.1 2 tm2124800d1ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements June 30, 2021 Arco Platform Limited Interim condensed consolidated statements of financial position As of June 30, 2021 and December 31, 2020 (In thousands of Brazilian reais, unless otherwise stated) Notes June 30, 2021 December 31, 2020 (unaudited) Assets

August 10, 2021 EX-99.1

Arco Announces Changes to its Board of Directors

Exhibit 99.1 Arco Announces Changes to its Board of Directors S?o Paulo, Brazil, August 9, 2021 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), announces that Mr. Pablo Doberti, board member since August 2019, and Mr. David Peixoto, board member since August 2020, have submitted their resignation letters as members of the Board of Directors and, consequently, as members of the Audit Committee, ef

August 10, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-386

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of August 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-10

June 9, 2021 SC 13G

ARCE / Arco Platform Ltd / Arisaig Partners (Asia) Pte Ltd. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No.

May 24, 2021 EX-99.1

March 31, 2021

Exhibit 99.1 Arco Platform Limited Unaudited interim condensed consolidated financial statements March 31, 2021 Arco Platform Limited Interim condensed consolidated statements of financial position As of March 31, 2021, and December 31, 2020 (In thousands of Brazilian reais, unless otherwise stated) Notes March 31, 2021 December 31, 2020 (unaudited) Assets Current assets Cash and cash equivalents

May 24, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100,

May 24, 2021 EX-99.1

Arco Reports First Quarter 2021 Results Arco delivers healthy operating results in 1Q21, with net revenue 27% higher YoY, and adjusted EBITDA margin of 35.7%

Exhibit 99.1 Arco Reports First Quarter 2021 Results Arco delivers healthy operating results in 1Q21, with net revenue 27% higher YoY, and adjusted EBITDA margin of 35.7% S?o Paulo, Brazil, May 24, 2021 ? Arco Platform Limited, or Arco or Company (Nasdaq: ARCE), today reported financial and operating results for the first quarter ended March 31, 2021. ?We delivered solid operating results in the f

May 24, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100,

May 17, 2021 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100,

May 17, 2021 EX-99.1

Arco Announces Appointment of New Director

Exhibit 99.1 Arco Announces Appointment of New Director S?o Paulo, Brazil, May 17, 2021 ? Arco Platform Limited, or Arco (Nasdaq: ARCE), announced today that it has appointed Paula Soares de S? Cavalcante to its Board of Directors, effective as of today. The appointment of Ms. Cavalcante, a shareholder from Arco?s founding family, is part of a long-term succession plan for Mr. Oto de S? Cavalcante

May 7, 2021 EX-99.1

Arco Announces New Chief Financial Officer

EX-99.1 2 dp150761ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Arco Announces New Chief Financial Officer São Paulo, Brazil, May 7, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), announced today that Roberto Otero will join Arco as Chief Financial Officer, effective May 11, 2021. As Arco’s CFO, Mr. Otero will be responsible for leading its finance and investor relations strategy and contributing to

May 7, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of May 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100,

April 29, 2021 EX-99.1

Arco Platform Limited announces results of Annual General Meeting Held on April 29, 2021

EX-99.1 2 dp150289ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Arco Platform Limited announces results of Annual General Meeting Held on April 29, 2021 São Paulo, Brazil, April 29, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), announces that the resolutions as set out in its Notice of Annual General Meeting dated April 13, 2021 were duly passed at its Annual General Meeting held today. About Arco

April 29, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2021 Commission File Number 001-38673 ARCO PLATFORM LIMITED (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

April 13, 2021 EX-99.2

Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil PROXY STATEMENT

EX-99.2 3 dp149341ex9902.htm EXHIBIT 99.2 EXHIBIT 99.2 Arco Platform Limited Rua Augusta 2840, 9th floor, suite 91 Consolação, São Paulo – SP 01412-100, Brazil PROXY STATEMENT General The board of directors of Arco Platform Limited (the “Company” or “we”) is soliciting proxies for the annual general meeting of shareholders (the “AGM”) of the Company to be held on April 29, 2021 at 2 p.m., São Paul

April 13, 2021 EX-99.3

--------- - 14475 1.1 0 Arco Platform Limited (the "Company" ) FORM OF PROXY FOR SHAREHOLDERS I/We Please Print Name(s) of Please Print Address(es) being (a) shareholder(s) of the Company with shares respectively hereby appoint of or failing him/her

EX-99.3 4 dp149341ex9903.htm EXHIBIT 99.3 EXHIBIT 99.3 - - 14475 1.1 0 Arco Platform Limited (the "Company" ) FORM OF PROXY FOR SHAREHOLDERS I/We Please Print Name(s) of Please Print Address(es) being (a) shareholder(s) of the Company with shares respectively hereby appoint of or failing him/her of or failing him/her the duly appointed chairman of the Meeting (the "Chairman" ) as my/our proxy to v

April 13, 2021 EX-99.1

ARCO PLATFORM LIMITED NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held April 29, 2021

EX-99.1 2 dp149341ex9901.htm EXHIBIT 99.1 EXHIBIT 99.1 ARCO PLATFORM LIMITED NOTICE OF ANNUAL GENERAL MEETING OF SHAREHOLDERS To Be Held April 29, 2021 NOTICE IS HEREBY GIVEN that an Annual General Meeting of the Company (the “AGM”) will be held at the offices of the Company located at Rua Augusta 2840, 9th floor, suite 91, Consolação, São Paulo – SP, 01412-100, Brazil on April 29, 2021 at 2 pm (S

April 13, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of April, 2021 Commission File Number 001-38673 ARCO PLATFORM LIMITED (Exact name of registrant as specified in its charter) The Cayman Islands (State of incorporation or organization) Rua Augusta 28

April 1, 2021 EX-12.2

Certification pursuant to section 302 of the Sarbanes-Oxley Act of 2002 of the Chief Financial Officer.*

Exhibit 12.2 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Alexandre Nakamaru, certify that: 1. I have reviewed this annual report on Form 20-F of Arco Platform Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made,

April 1, 2021 EX-13.1

Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Executive Officer.*

Exhibit 13.1 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The certification set forth below is being submitted in connection with the Annual Report on Form 20-F of Arco Platform Limited (the “Company”) for the fiscal year ended December 31, 2020 (the “Report”), I, Ari de Sá Cavalcante Neto,

April 1, 2021 EX-13.2

Certification pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the Sarbanes-Oxley Act of 2002, of the Chief Financial Officer.*

Exhibit 13.2 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 The certification set forth below is being submitted in connection with the Annual Report on Form 20-F of Arco Platform Limited (the ?Company?) for the fiscal year ended December 31, 2020 (the ?Report?), I, Alexandre Nakamaru, certif

April 1, 2021 EX-21.1

List of subsidiaries.*

EX-21.1 6 tm212080d1ex21-1.htm EXHIBIT 21.1 Exhibit 21.1 List of Subsidiaries The table below is a complete list of the Company’s subsidiaries as of December 31, 2020: Name Principal Activities Country Arco Educação S.A. Holding Brazil PSD Educação S.A. Educational content Brazil Barra Américas Editora Ltda. Educational content Brazil Distribuidora de Material Didático Desterro Ltda. Educational c

April 1, 2021 20-F

- FORM 20-F

20-F 1 tm212080d120f.htm FORM 20-F UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 20-F (Mark One) ¨ REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR x ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 OR ¨ TRANSITION REPORT PURSUANT TO SECTIO

April 1, 2021 EX-12.1

Certification pursuant to section 302 of the Sarbanes-Oxley Act of 2002 of the Chief Executive Officer.*

Exhibit 12.1 CERTIFICATION BY THE PRINCIPAL EXECUTIVE OFFICER PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 I, Ari de S? Cavalcante Neto, certify that: 1. I have reviewed this annual report on Form 20-F of Arco Platform Limited; 2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statement

March 31, 2021 EX-99.1

Arco Reports Fourth Quarter and Full Year 2020 Financial Results Arco delivers R$1,002B revenues and 38% adjusted EBITDA for FY2020 and confirms 2021 ACV of R$1,163 million

Exhibit 99.1 Arco Reports Fourth Quarter and Full Year 2020 Financial Results Arco delivers R$1,002B revenues and 38% adjusted EBITDA for FY2020 and confirms 2021 ACV of R$1,163 million São Paulo, Brazil, March 31, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), today reported financial and operating results for the fourth quarter and full year ended December 31, 2020. “While the year of 202

March 31, 2021 EX-99.1

Arco Announces Limit Increase to Its Share Repurchase Program

EX-99.1 2 dp148840ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Arco Announces Limit Increase to Its Share Repurchase Program São Paulo, Brazil, March 31, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that its Board of Directors has approved to increase the share repurchase limit of its existing share repurchase program established on January 6, 2021, or the Repurchase Program. Purs

March 31, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

March 31, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

March 10, 2021 EX-99.1

Arco acquires online test prep provider Me Salva! Arco adds to its portfolio a B2C digital solution that serves public and private sector students, expanding its addressable market to a supplemental vertical with favorable growth prospects

EX-99.1 2 dp147624ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Arco acquires online test prep provider Me Salva! Arco adds to its portfolio a B2C digital solution that serves public and private sector students, expanding its addressable market to a supplemental vertical with favorable growth prospects São Paulo, Brazil, March 10, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that i

March 10, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

6-K 1 dp1476246k.htm FORM 6-K UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consol

March 8, 2021 EX-99.1

Arco to acquire COC and Dom Bosco learning systems Arco to complement its Core portfolio with two traditional learning systems with growth potential

EX-99.1 2 dp147468ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Arco to acquire COC and Dom Bosco learning systems Arco to complement its Core portfolio with two traditional learning systems with growth potential São Paulo, Brazil, March 6th, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), today announced that it has entered into a definitive agreement (the “Purchase Agreement”) with Pearson Educatio

March 8, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of March 2021 Commission File Number: 001-38673 Arco Platform Ltd. (Exact name of registrant as specified in its charter) Rua Augusta 2840, 9th floor, suite 91 Consola??o, S?o Paulo ? SP 01412-100

February 23, 2021 6-K

Current Report of Foreign Issuer - FORM 6-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of February, 2021 Commission File Number 001-38673 ARCO PLATFORM LIMITED (Exact name of registrant as specified in its charter) The Cayman Islands (State of incorporation or organization) Rua Augusta

February 23, 2021 EX-99.1

Arco announces appointment of new directors

EX-99.1 2 dp146582ex9901.htm EXHIBIT 99.1 Exhibit 99.1 Arco announces appointment of new directors São Paulo, Brazil, February 23, 2021 – Arco Platform Limited, or Arco (Nasdaq: ARCE), announced today that it has appointed Carla Schmitzberger and Beatriz Amary to its Board of Directors as independent members, effective as of today. "It’s an honor to welcome Beatriz and Carla to Arco’s Board of Dir

February 16, 2021 SC 13G/A

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1) Arco Platform Ltd. (Name of Issuer) Class A Common Stock (Title of Class of Securities) (CUSIP Number) December 31, 202

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

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