ALGRW / Allegro Merger Corp. Warrant - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2025 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name

Insider Trading Policy

Exhibit 19.1 ALLEGRO MERGER CORP. INSIDER TRADING POLICY The Board of Directors of Allegro Merger Corp. (“Company”) has adopted this Insider Trading Policy for directors, officers, employees and consultants of the Company and its subsidiaries with respect to the trading of the Company’s securities, as well as the securities of publicly-traded companies with whom the Company and/or its subsidiaries

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name o

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 22, 2024 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Numb

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2024 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact N

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 3, 2023 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Nu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name o

Letter from Malone Bailey, LLP.

Exhibit 16.1 August 3, 2023 U.S. Securities and Exchange Commission 450 Fifth Street N.W. Washington, DC 20549 RE: Allegro Merger Corp File No.: 001-38581 We have read the statements under item 4.01 of the Form 8-K to be filed with the Securities and Exchange Commission. We agree with statements pertaining to us. MaloneBailey, LLP www.malonebailey.com Houston, Texas

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2023 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2022 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2022 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name

List of Subsidiaries (incorporated by reference to the Company’s Annual Report on Form 10-K filed on March 24, 2022).

Exhibit 21 List of Subsidiaries Allegro Merger Sub, Inc. ? Incorporated in Delaware on November 7, 2019.

Description of Securities (incorporated by reference to the Company’s Annual Report on Form 10-K filed on March 24, 2022)

Exhibit 4.7 DESCRIPTION OF REGISTRANT?S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of the Company?s securities is based upon the Company?s amended and restated certificate of incorporation (?Charter?), the Company?s Bylaws (?Bylaws?) and applicable provisions of law. We have summarized certain portions of the Charter and Bylaws bel

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ☐ TRANSITION REPORT PURSUA

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER COR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact N

List of Subsidiaries (filed herewith).

Exhibit 21 List of Subsidiaries Allegro Merger Sub, Inc. ? Incorporated in Delaware on November 7, 2019.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 ☐ TRANSITION REPORT PURS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K/A (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER C

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2021 ☐ TRANSITION REPORT PURSUANT TO SECTION 1

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2021 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-38581 ALLEGRO MERGER CORP. (Exact Name

Non-Reliance on Previously Issued Financial Statements or a Related Audit Report or Completed Interim Review

8-K 1 ea141301-8kallegromerger.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 17, 2021 Allegro Merger Corp. (Exact name of registrant as specified in its charter) Delaware 001-38581 85-2425125 (State or othe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING

NT 10-Q 1 ea140968-nt10qallegromerger.htm NOTIFICATION OF LATE FILING UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING OMB APPROVAL OMB Number: 3235-0058 Expires: February 28, 2022 Estimated average burden Hours per form ..................... 2.50 SEC FILE NUMBER 001-38581 CUSIP NUMBER 01749N 103 (Check One): ☐ Form 10-K ☐ Form 20-F ☐

Annual Report - ANNUAL REPORT

10-K 1 f10k2020allegromergercorp.htm ANNUAL REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to

List of Subsidiaries (filed herewith).

Exhibit 21 List of Subsidiaries Allegro Merger Sub, Inc. ? Incorporated in Delaware on November 7, 2019.

UNITED STATES Securities and Exchange Commission Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 1)* ALLEGRO MERGER CORP (Name of Issuer) (Title of Class of Securities) (CUSIP Number) Dec 31, 2020 (Date

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. 1)* ALLEGRO MERGER CORP (Name of Issuer) COM (Title of Class of Securities) 01749N103 (CUSIP Number) Dec 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedu

POWER OF ATTORNEY For executing Schedules 13G and 13D, 13G/D Joint Filing Agreement and Form 13F

EX-2 Exhibit 2 POWER OF ATTORNEY For executing Schedules 13G and 13D, 13G/D Joint Filing Agreement and Form 13F Each of the undersigned entities represents that the individuals signing on behalf of the entity is duly authorized to do so, and hereby constitutes and appoints Eric Moss, Senior Vice-President, Deputy General Counsel and Chief Compliance Officer of Bank of Montreal, Lino Cambone, Vice-President, Deputy General Counsel, Wealth Management & Assistant Corporate Secretary of Bank of Montreal, and George Walz, Senior Vice-President, U.

Joint Filing Agreement

Exhibit 1 Joint Filing Agreement In accordance with Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended, each of the undersigned entities, as applicable, pursuant to a duly executed power of attorney, hereby agrees to this and any future joint filing of Schedule 13G (including any and all amendments thereto) to be made on their behalf and further agrees to the filing of this Agreement as an Exhibit to such filing(s).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTI

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ? QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2020 ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-38581 ALLEGRO MERGER CORP. (Exact

Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-38581 ALLEGRO MERGER CORP. (Exact Name

Changes in Registrant's Certifying Accountant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): June 23, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Num

Letter from WithumSmith+Brown, PC

Exhibit 16.1 June 29, 2020 Office of the Chief Accountant Securities and Exchange Commission 100 F Street, NE Washington, D.C. 20549 Ladies and Gentlemen: We have read the statements of Allegro Merger Corp included under Item 4.01 of its Form 8-K dated June 23, 2020. We agree with the statements concerning our Firm under Item 4.01, in which we were informed of our dismissal on June 23, 2020. We ar

- 12B-25

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING OMB APPROVAL OMB Number: 3235-0058 Expires: February 28, 2022 Estimated average burden Hours per form ..................... 2.50 SEC FILE NUMBER 001-38581 CUSIP NUMBER 01749N 103 (Check One): ☐ Form 10-K ☐ Form 20-F ☐ Form 11-K ☒ Form 10-Q ☐ Form 10-D ☐ Form N-SAR ☐ Form N-CSR For Period

Quarterly Report - QUARTERLY REPORT

10-Q 1 f10q0320allegromerger.htm QUARTERLY REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2020 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): May 14, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Numb

Allegro Merger Corp. Announces Process and Timing of Dissolution

EX-99.1 2 ea120684ex99-1allegro.htm PRESS RELEASE, DATED APRIL 15, 2020 Exhibit 99.1 Allegro Merger Corp. Announces Process and Timing of Dissolution NEW YORK, NY, April 15, 2020 (GLOBE NEWSWIRE) - Allegro Merger Corp. (NASDAQ: ALGR, ALGRU, ALGRR, and ALGRW) (“Allegro” or the “Company”) has commenced the process of dissolving and liquidating in accordance with the Company’s amended and restated ce

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): April 15, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Nu

ALGR / Allegro Merger Corp. / Karpus Management, Inc. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13 G Under the Securities Exchange Act of 1934 (Amendment No. 2) * Allegro Merger Corp (ALGR) (Name of Issuer) Common Stock (Title of Class of Securities) 01749N103 (CUSIP Number) March 31, 2020 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which th

Termination of a Material Definitive Agreement

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 31, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Nu

ALGR / Allegro Merger Corp. DEFA14A - - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 26, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Nu

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 26, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Nu

ALGR / Allegro Merger Corp. DEF 14A - - PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant S Filed by a Party other than the Registrant £ Check the appropriate box: £ Preliminary Proxy Statement £ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) S Definitive Proxy State

ALGR / Allegro Merger Corp. DEFM14A - - PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant S Filed by a Party other than the Registrant £ Check the appropriate box: £ Preliminary Proxy Statement £ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) S Definitive Proxy State

ALGR / Allegro Merger Corp. DEFA14A - - FORM DEFA14A

DEFA14A 1 ea119365-defa14aallegro.htm FORM DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as perm

ALGR / Allegro Merger Corp. PRE 14A - - PRELIMINARY PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

ALGR / Allegro Merger Corp. PRER14A - - PRER14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant S Filed by a Party other than the Registrant £ Check the appropriate box: S Preliminary Proxy Statement £ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) £ Definitive Proxy State

Description of the Company’s Securities (filed herewith).

Exhibit 4.7 DESCRIPTION OF REGISTRANT’S SECURITIES REGISTERED PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT OF 1934 The following description of the Company’s securities is based upon the Company’s amended and restated certificate of incorporation (“Charter”), the Company’s Bylaws (“Bylaws”) and applicable provisions of law. We have summarized certain portions of the Charter and Bylaws bel

ALGR / Allegro Merger Corp. 10-K - Annual Report - ANNUAL REPORT

10-K 1 f10k2019allegromerger.htm ANNUAL REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Comm

ALGR / Allegro Merger Corp. / MIZUHO FINANCIAL GROUP INC - SCHEDULE 13G Passive Investment

SC 13G 1 d889317dsc13g.htm SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Allegro Merger Corp. (Name of Issuer) Common stock, par value $0.0001 per share (Title of Class of Securities) 01749N103 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of this Statement) Check

ALGR / Allegro Merger Corp. / Karpus Management, Inc. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13 G Under the Securities Exchange Act of 1934 (Amendment No. 1) * Allegro Merger Corp (ALGR) (Name of Issuer) Common Stock (Title of Class of Securities) 01749N103 (CUSIP Number) December 31, 2019 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which

ALGR / Allegro Merger Corp. / BANK OF MONTREAL /CAN/ - 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. ) ALLEGRO MERGER CORP (Name of Issuer) COM (Title of Class of Securities) 01749N103 (CUSIP Number) Dec 31, 2019 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

ALGR / Allegro Merger Corp. / Weiss Asset Management LP Passive Investment

=============================================================================== UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Investor Presentation

EX-99.1 2 f8k021120ex99-1allegro.htm INVESTOR PRESENTATION Exhibit 99.1 INVESTOR UPDATE FEBRUARY 2020 Allegro Merger Corp. 3 SAFEHARBORSTATEMENT This presentation includes certain forward-looking statements within the meaning of the Private Securities Litigation Reform Actof 1995, including statements regarding future financial performance, future growth and future acquisitions. These statements a

INVESTOR UPDATE FEBRUARY 2020 Allegro Merger Corp. 3 SAFEHARBORSTATEMENT This presentation includes certain forward-looking statements within the meaning of the Private Securities Litigation Reform Actof 1995, including statements regarding future fi

Exhibit 99.1 INVESTOR UPDATE FEBRUARY 2020 Allegro Merger Corp. 3 SAFEHARBORSTATEMENT This presentation includes certain forward-looking statements within the meaning of the Private Securities Litigation Reform Actof 1995, including statements regarding future financial performance, future growth and future acquisitions. These statements are based on current expectations or beliefs and are subject

ALGR / Allegro Merger Corp. DEFA14A - - CURRENT REPORT

DEFA14A 1 f8k021120allegromerger.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 11, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or O

Regulation FD Disclosure, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): February 11, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File

ALGR / Allegro Merger Corp. / Polar Asset Management Partners Inc. - FORM SC 13G/A Passive Investment

SC 13G/A 1 formsc13ga-allegro.htm FORM 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. 1)* Allegro Merger Corp. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 01794N103 (CUSIP Number) December 31, 2019 (Date of Event which Requires Filing of this State

ALGR / Allegro Merger Corp. PREM14A - - PRELIMINARY PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

Submission of Matters to a Vote of Security Holders, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 3, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File N

Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 2, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File N

ALGR / Allegro Merger Corp. DEFA14A - - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): January 3, 2020 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File N

ALGR / Allegro Merger Corp. DEFA14A - - DEFINITIVE ADDITIONAL MATERIALS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 23, 2019 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File

Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2019 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File

ALGR / Allegro Merger Corp. DEFA14A - - CURRENT REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): December 17, 2019 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File

ALGR / Allegro Merger Corp. DEF 14A - - DEFINITIVE PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☒ Definitive Proxy State

ALGR / Allegro Merger Corp. PRE 14A - - PRELIMINARY PROXY STATEMENT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 Filed by the Registrant ☒ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☒ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2)) ☐ Definitive Proxy State

ALGR / Allegro Merger Corp. 10-Q - Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-38581 ALLEGRO MERGER CORP. (Exact

Investor Presentation

Exhibit 99.2

Agreement and Plan of Merger, dated as of November 8, 2019, by and among Allegro Merger Corp., Allegro Merger Sub, Inc., TGIF Holdings, LLC, TGIF Midco, Inc. and Rohit Manocha (solely as representative of the equityholders of TGIF Holdings, LLC and TGIF Midco, Inc.) *

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among ALLEGRO MERGER CORP., TGIF HOLDINGS, LLC, TGIF MIDCO, INC. ALLEGRO MERGER SUB, INC. AND ROHIT MANOCHA (SOLELY AS A REPRESENTATIVE OF THE EQUITYHOLDERS OF TGIF HOLDINGS, LLC AND TGIF MIDCO, INC.) Dated as of November 8, 2019 TABLE OF CONTENTS ARTICLE I DEFINITIONS 2 Section 1.1. Definitions 2 Section 1.2. Matters of Construction 9 ARTICLE II MER

TGI Fridays and Allegro Merger Corp. Announce Merger

Exhibit 99.1 TGI Fridays and Allegro Merger Corp. Announce Merger Casual Restaurant Chain to Be Publicly Listed NEW YORK, NY and DALLAS, TX , Nov. 08, 2019 (GLOBE NEWSWIRE) - Privately held TGIF Holdings, LLC (“TGIF” or “Fridays”) and Allegro Merger Corp. (NASDAQ: ALGR, ALGRU, ALGRR, and ALGRW) (“Allegro”) today jointly announced that they have signed a definitive agreement for a business combinat

Regulation FD Disclosure, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 8, 2019 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File

Investor Presentation

Exhibit 99.2

TGI Fridays and Allegro Merger Corp. Announce Merger

Exhibit 99.1 TGI Fridays and Allegro Merger Corp. Announce Merger Casual Restaurant Chain to Be Publicly Listed NEW YORK, NY and DALLAS, TX , Nov. 08, 2019 (GLOBE NEWSWIRE) - Privately held TGIF Holdings, LLC (“TGIF” or “Fridays”) and Allegro Merger Corp. (NASDAQ: ALGR, ALGRU, ALGRR, and ALGRW) (“Allegro”) today jointly announced that they have signed a definitive agreement for a business combinat

Agreement and Plan of Merger, dated as of November 8, 2019, by and among Allegro Merger Corp., Allegro Merger Sub, Inc., TGIF Holdings, LLC, TGIF Midco, Inc. and Rohit Manocha (solely as representative of the equityholders of TGIF Holdings, LLC and TGIF Midco, Inc.) *

EX-2.1 2 f8k110819ex2-1allegro.htm AGREEMENT AND PLAN OF MERGER, DATED AS OF NOVEMBER 8, 2019, BY AND AMONG ALLEGRO MERGER CORP., ALLEGRO MERGER SUB, INC., TGIF HOLDINGS, LLC, TGIF MIDCO, INC. AND ROHIT MANOCHA Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among ALLEGRO MERGER CORP., TGIF HOLDINGS, LLC, TGIF MIDCO, INC. ALLEGRO MERGER SUB, INC. AND ROHIT MANOCHA (SOLELY AS A REPRESENTATIVE OF TH

ALGR / Allegro Merger Corp. 425 - Merger Prospectus - CURRENT REPORT

425 1 f8k110819allegromergercorp.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): November 8, 2019 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Ot

ALGR / Allegro Merger Corp. 10-Q - Quarterly Report - QUARTERLY REPORT

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-38581 ALLEGRO MERGER CORP. (Exact Name

ALGR / Allegro Merger Corp. NT 10-Q NOTIFICATION OF LATE FILING

NT 10-Q 1 extf10q0319allegromerger.htm NOTIFICATION OF LATE FILING UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 12b-25 NOTIFICATION OF LATE FILING OMB APPROVAL OMB Number: 3235-0058 Expires: February 28, 2022 Estimated average burden Hours per form ..................... 2.50 SEC FILE NUMBER 001-38581 CUSIP NUMBER 01749N 103 (Check One): ☐ Form 10-K ☐ Form 20-F ☐ For

ALGR / Allegro Merger Corp. 10-Q Quarterly Report QUARTERLY REPORT

10-Q 1 f10q0319allegromergercorp.htm QUARTERLY REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended March 31, 2019 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission f

ALGR / Allegro Merger Corp. ANNUAL REPORT (Annual Report)

10-K 1 f10k2018allegromergercorp.htm ANNUAL REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to

ALGR / Allegro Merger Corp. / Weiss Asset Management LP Passive Investment

=============================================================================== UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

ALGR / Allegro Merger Corp. / Hgc Investment Management Inc. - SC 13G Passive Investment

HGC Investment Management Inc.: Schedule 13G - Filed by newsfilecorp.com UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 Allegro Merger Corporation (Name of Issuer) Ordinary Shares, $0.0001 par value per share (Title of Class of Securities) 01749N103 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing

ALGR / Allegro Merger Corp. / Polar Asset Management Partners Inc. - SC 13G Passive Investment

SC 13G 1 sc13gallegro.htm SC 13G SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Allegro Merger Corp. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 01749N103 (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of this Statement) Check the appropriate box

ALGR / Allegro Merger Corp. / Karpus Management, Inc. Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13 G Under the Securities Exchange Act of 1934 (Amendment No. ) * Allegro Merger Corp. (ALGR) (Name of Issuer) Common Stock (Title of Class of Securities) 01749n103 (CUSIP Number) January 31, 2019 (Date of Event Which Requires Filing of This Statement) Check the appropriate box to designate the rule pursuant to which

ALGR / Allegro Merger Corp. / Sgro David - SCHEDULE 13G Passive Investment

SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 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. )* ALLEGRO MERGER CORP. (Name of Issuer) Common Stock, par value $0.0001 per share (Title of Class of Securities) 01749N 103 (CUSIP Number) December 31, 201

ALGR / Allegro Merger Corp. QUARTERLY REPORT (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended September 30, 2018 ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-38581 ALLEGRO MERGER CORP. (Exact

ALGR / Allegro Merger Corp. QUARTERLY REPORT (Quarterly Report)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarter ended June 30, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-38581 ALLEGRO MERGER CORP. (Exact Na

Allegro Merger Corp. Announces Securities to Commence Separate Trading

Exhibit 99.1 Allegro Merger Corp. Announces Securities to Commence Separate Trading New York, NY, August 9, 2018 (GLOBE NEWSWIRE) - Allegro Merger Corp. (NASDAQ: ALGRU) (the “Company”) announced today that separate trading of its common stock, rights and warrants underlying the Company’s units would commence on or about August 13, 2018. The common stock, rights and warrants will be listed on the N

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): August 9, 2018 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Nu

ALGR / Allegro Merger Corp. / Weiss Asset Management LP Passive Investment

=============================================================================== UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.

Unregistered Sales of Equity Securities, Financial Statements and Exhibits, Other Events

8-K 1 f8k070618allegromerger.htm CURRENT REPORT UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 6, 2018 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Juri

Allegro Merger Corp. INDEX TO FINANCIAL STATEMENT

Exhibit 99.1 Allegro Merger Corp. INDEX TO FINANCIAL STATEMENT Report of Independent Registered Public Accounting Firm 2 Balance Sheet 3 Notes to the Balance Sheet 4 1 Report Of Independent Registered Public Accounting Firm To the Stockholders and the Board of Directors of Allegro Merger Corp. Opinion on the Financial Statement We have audited the accompanying balance sheet of Allegro Merger Corp.

Allegro Merger Corp. Announces Closing of $149,500,000 Initial Public Offering

Exhibit 99.2 Allegro Merger Corp. Announces Closing of $149,500,000 Initial Public Offering New York, NY, July 09, 2018 (GLOBE NEWSWIRE) - Allegro Merger Corp. (NASDAQ: ALGRU) (the “Company”) announced today that it has consummated its initial public offering of 14,950,000 units at $10.00 per unit, including the full 1,950,000 units subject to the underwriters’ over-allotment option. The units hav

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): July 2, 2018 ALLEGRO MERGER CORP. (Exact Name of Registrant as Specified in Charter) Delaware 001-38581 82-2425125 (State or Other Jurisdiction (Commission (IRS Employer of Incorporat

Registration Rights Agreement among the Registrant and the Initial Stockholders (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on July 3, 2018).

Exhibit 10.2 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is entered into as of the 2nd day of July, 2018, by and among Allegro Merger Corp., a Delaware corporation (the “Company”) and the undersigned parties listed under Investor on the signature page hereto (each, an “Investor” and collectively, the “Investors”). WHEREAS, the Investors and the Company desir

Amended and Restated Certificate of Incorporation.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF ALLEGRO MERGER CORP. Pursuant to Section 245 of the Delaware General Corporation Law ALLEGRO MERGER CORP., a corporation existing under the laws of the State of Delaware (the “Corporation”), by its Chief Executive Officer, hereby certifies as follows: 1. The name of the Corporation is “Allegro Merger Corp.” 2. The Corporation’s Certi

Investment Management Trust Agreement between Continental Stock Transfer & Trust Company and the Registrant (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on July 3, 2018)

EX-10.1 6 f8k070218ex10-1allegro.htm INVESTMENT MANAGEMENT TRUST AGREEMENT BETWEEN CONTINENTAL STOCK TRANSFER & TRUST COMPANY AND THE COMPANY Exhibit 10.1 INVESTMENT MANAGEMENT TRUST AGREEMENT This Agreement is made as of July 2, 2018 by and between Allegro Merger Corp. (the “Company”) and Continental Stock Transfer & Trust Company (the “Trustee”). WHEREAS, the Company’s registration statement on

Rights Agreement between Continental Stock Transfer & Trust Company and the Registrant (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on July 3, 2018).

Exhibit 4.6 RIGHTS AGREEMENT Agreement made as of July 2, 2018 between Allegro Merger Corp., a Delaware corporation, with offices at 777 Third Avenue, 37th Floor, New York, New York 10017 (“Company”), and Continental Stock Transfer & Trust Company, a New York corporation, with offices at 1 State Street, New York, New York 10004 (“Right Agent”). WHEREAS, the Company is engaged in a public offering

Allegro Merger Corp. Announces Pricing of $130,000,000 Initial Public Offering

Exhibit 99.1 Allegro Merger Corp. Announces Pricing of $130,000,000 Initial Public Offering New York, NY, July 02, 2018 (GLOBE NEWSWIRE) - Allegro Merger Corp.(NASDAQ: ALGRU) (the “Company”) announced today that it priced its intial public offering of 13,000,000 units at $10.00 per unit. The units will be listed on the Nasdaq Capital Market ("Nasdaq") and trade under the ticker symbol "ALGRU" begi

Warrant Agreement between Continental Stock Transfer & Trust Company and the Registrant (incorporated by reference to the Company’s Current Report on Form 8-K filed with the SEC on July 3, 2018).

EX-4.4 4 f8k070218ex4-4allegro.htm WARRANT AGREEMENT BETWEEN CONTINENTAL STOCK TRANSFER & TRUST COMPANY AND THE COMPANY Exhibit 4.4 WARRANT AGREEMENT This agreement is made as of July 2, 2018 between Allegro Merger Corp., a Delaware corporation, with offices at 777 Third Avenue, 37th Floor, New York, NY 10017 (“Company”), and Continental Stock Transfer & Trust Company, a New York corporation, with

Underwriting Agreement between the Company and Cantor Fitzgerald & Co.

Exhibit 1.1 EXECUTION VERSION UNDERWRITING AGREEMENT between ALLEGRO MERGER CORP. and CANTOR FITZGERALD & CO. Dated: July 2, 2018 ALLEGRO MERGER CORP. UNDERWRITING AGREEMENT New York, New York July 2, 2018 Cantor Fitzgerald & Co. 499 Park Avenue New York, New York 10022 As Representative of the Underwriters named on Schedule A hereto Ladies and Gentlemen: The undersigned, Allegro Merger Corp., a D

$130,000,000 Allegro Merger Corp. 13,000,000 Units

Filed Pursuant to Rule 424(b)(4) Registration No. 333-225270 PROSPECTUS $130,000,000 Allegro Merger Corp. 13,000,000 Units Allegro Merger Corp. is a blank check company that will seek to effect a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses or entities, which we refer to throughout this prospectus as o

ALGR / Allegro Merger Corp. REGISTRATION OF CERTAIN CLASSES OF SECURITIES

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 8-A FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES PURSUANT TO SECTION 12(b) OR (g) OF THE SECURITIES EXCHANGE ACT OF 1934 Allegro Merger Corp. (Exact Name of Registrant as Specified in Charter) Delaware 377-01753 82-2425125 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS Employer Identific

ALGR / Allegro Merger Corp. CORRESP

Allegro Merger Corp. 777 Third Avenue, 37th Floor New York, NY 10017 June 28, 2018 VIA EDGAR Mr. Mara L. Ransom Assistant Director Office of Consumer Products Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 RE: Allegro Merger Corp. Registration Statement on Form S-1 File No. 333-225270 Dear Ms. Ransom: Allegro Merger Corp. (the “Company”) hereby requests, pursuant to R

ALGR / Allegro Merger Corp. CORRESP

CORRESP 1 filename1.htm June 28, 2018 VIA EDGAR Ms. Mara L. Ransom United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Re: Allegro Merger Corp. Registration Statement on Form S-1 Filed May 29, 2018, as amended File No. 333-225270 Dear Ms. Ransom: Pursuant to Rule 461 of the General Rules and Regulations under the Securities Act

ALGR / Allegro Merger Corp. CORRESP

Graubard Miller The Chrysler Building 405 Lexington Avenue New York, N.Y. 10174-1101 (212) 818-8800 facsimile direct dial number (212) 818-8881 (212) 818-8638 email address [email protected] June 27, 2018 Ms. Mara L. Ransom Assistant Director Office of Consumer Products Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Allegro Merger Corp. Registration Statement

Specimen Unit Certificate (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 4.1 NUMBER U- UNITS SEE REVERSE FOR CERTAIN DEFINITIONS ALLEGRO MERGER CORP. CUSIP 01749N 301 UNITS CONSISTING OF ONE SHARE OF COMMON STOCK, ONE RIGHT AND ONE WARRANT THIS CERTIFIES THAT is the owner of Units. Each Unit (“Unit”) consists of one (1) share of common stock, par value $.0001 per share (“Common Stock”), of Allegro Merger Corp., a Delaware corporation (the “Company”), one right

Form of Subscription Agreement among the Registrant and the Initial Stockholders (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 10.5.1 , 2018 Gentlemen: Allegro Merger Corp. (?Corporation?), a blank check company formed for the purpose of acquiring one or more businesses or entities (a ?Business Combination?), intends to register its securities under the Securities Act of 1933, as amended (?Securities Act?), in connection with its initial public offering (?IPO?). The undersigned hereby commits to purchase an aggreg

Form of Investment Management Trust Agreement between Continental Stock Transfer & Trust Company and the Registrant.

Exhibit 10.2 INVESTMENT MANAGEMENT TRUST AGREEMENT This Agreement is made as of , 2018 by and between Allegro Merger Corp. (the ?Company?) and Continental Stock Transfer & Trust Company (the ?Trustee?). WHEREAS, the Company?s registration statement on Form S-1, No. 333-225270 (?Registration Statement?) for its initial public offering of securities (?IPO?) has been declared effective as of the date

Form of Warrant Agreement between Continental Stock Transfer & Trust Company and the Registrant.

Exhibit 4.4 WARRANT AGREEMENT This agreement is made as of , 2018 between Allegro Merger Corp., a Delaware corporation, with offices at 777 Third Avenue, 37th Floor, New York, NY 10017 (?Company?), and Continental Stock Transfer & Trust Company, a New York corporation, with offices at 1 State Street Plaza, New York, New York 10004 (?Warrant Agent?). WHEREAS, the Company is engaged in a public offe

Compensation Committee Charter

EX-99.3 21 fs12018a1ex99-3allegro.htm COMPENSATION COMMITTEE CHARTER Exhibit 99.3 CHARTER OF THE COMPENSATION COMMITTEE OF THE BOARD OF DIRECTORS OF ALLEGRO MERGER CORP. I. PURPOSES The Compensation Committee (the “Committee”) is appointed by the Board of Directors (the “Board”) of Allegro Merger Corp. (the “Company”) for the purposes of, among other things, (a) discharging the Board’s responsibil

Form of Right Agreement between Continental Stock Transfer & Trust Company and the Registrant, included as an exhibit to Amendment No. 1 to the Registrant’s Registration Statement on Form S-1 (File No. 333-225270) filed on June 21, 2018.

Exhibit 4.6 RIGHTS AGREEMENT Agreement made as of , 2018 between Allegro Merger Corp., a Delaware corporation, with offices at 777 Third Avenue, 37th Floor, New York, New York 10017 (?Company?), and Continental Stock Transfer & Trust Company, a New York corporation, with offices at 1 State Street, New York, New York 10004 (?Right Agent?). WHEREAS, the Company is engaged in a public offering (?Publ

Nominating Committee Charter

Exhibit 99.2 Adopted: , 2018 NOMINATING COMMITTEE CHARTER OF ALLEGRO MERGER CORP. The responsibilities and powers of the Nominating Committee (the ?Nominating Committee?) of the Board of Directors (the ?Board?) of Allegro Merger Corp. (the ?Company?), as delegated by the Board, are set forth in this charter. Whenever the Nominating Committee takes an action, it shall exercise its independent judgm

Specimen Warrant Certificate (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 4.3 NUMBER - (SEE REVERSE SIDE FOR LEGEND) THIS WARRANT WILL BE VOID IF NOT EXERCISED PRIOR TO THE EXPIRATION DATE (DEFINED BELOW) WARRANTS ALLEGRO MERGER CORP. CUSIP 01749N 111 WARRANT THIS CERTIFIES THAT, for value received is the registered holder of a warrant or warrants (the ?Warrant?) of Allegro Merger Corp., a Delaware corporation (the ?Company?), expiring at 5:00 p.m., New York Cit

Form of Letter Agreement among the Registrant, Cantor Fitzgerald & Co. and the Company’s officers, directors and stockholders (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 10.1 , 2018 Allegro Merger Corp. 777 Third Avenue, 37th Floor New York, New York 10017 Cantor Fitzgerald & Co. 499 Park Avenue New York, New York 10022 Re: Initial Public Offering Ladies and Gentlemen: This letter is being delivered to you in accordance with the Underwriting Agreement (the ?Underwriting Agreement?) entered into by and between Allegro Merger Corp., a Delaware corporation (t

Amended and Restated Certificate of Incorporation (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

EX-3.2 3 fs12018a1ex3-2allegro.htm AMENDED AND RESTATED CERTIFICATE OF INCORPORATION Exhibit 3.2 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF ALLEGRO MERGER CORP. Pursuant to Section 245 of the Delaware General Corporation Law ALLEGRO MERGER CORP., a corporation existing under the laws of the State of Delaware (the “Corporation”), by its Chief Executive Officer, hereby certifies as follows

Specimen Right Certificate (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 4.5 NUMBER RIGHTS R ALLEGRO MERGER CORP. INCORPORATED UNDER THE LAWS OF DELAWARE RIGHT SEE REVERSE FOR CERTAIN DEFINITIONS CUSIP 01749N 129 THIS CERTIFIES THAT, for value received is the registered holder of a right or rights (the “Right”) to automatically receive one-tenth of one share of common stock, par value $.0001 per share (“Common Stock”), of Allegro Merger Corp. (the “Company”) fo

Audit Committee Charter

Exhibit 99.1 Adopted: , 2018 AUDIT COMMITTEE CHARTER OF ALLEGRO MERGER CORP. Purpose The purposes of the Audit Committee (the ?Audit Committee?) of the Board of Directors (?Board?) of Allegro Merger Corp. (?Company?) are to assist the Board in monitoring (1) the integrity of the annual, quarterly and other financial statements of the Company, (2) the independent auditor?s qualifications and indepe

Specimen Common Stock Certificate (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 4.2 NUMBER SHARES C ALLEGRO MERGER CORP. INCORPORATED UNDER THE LAWS OF DELAWARE COMMON STOCK SEE REVERSE FOR CERTAIN DEFINITIONS This Certifies that CUSIP 01749N 103 is the owner of FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK OF THE PAR VALUE OF $.0001 EACH OF ALLEGRO MERGER CORP. transferable on the books of the Company in person or by duly authorized attorney upon surrender of

As filed with the Securities and Exchange Commission on June 21, 2018

S-1/A 1 fs12018a1allegromerger.htm AMENDMENT NO. 1 TO S-1 As filed with the Securities and Exchange Commission on June 21, 2018 Registration No. 333-225270 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 AMENDMENT NO. 1 TO FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 ALLEGRO MERGER CORP. (Exact name of registrant as specified in its charter) Delaware 677

Form of Underwriting Agreement.

Exhibit 1.1 UNDERWRITING AGREEMENT between ALLEGRO MERGER CORP. and CANTOR FITZGERALD & CO. Dated: , 2018 ALLEGRO MERGER CORP. UNDERWRITING AGREEMENT New York, New York , 2018 Cantor Fitzgerald & Co. 499 Park Avenue New York, New York 10022 As Representative of the Underwriters named on Schedule A hereto Ladies and Gentlemen: The undersigned, Allegro Merger Corp., a Delaware corporation (the ?Comp

Form of Administrative Services Agreement between Crescendo Advisors II, LLC and the Registrant (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 10.6 ALLEGRO MERGER CORP. 777 Third Avenue, 37th Floor New York, New York 10017 , 2018 Crescendo Advisors II, LLC 777 Third Avenue, 37th Floor New York, New York 10017 Ladies and Gentlemen: This letter will confirm our agreement that, commencing on the effective date (the ?Effective Date?) of the registration statement (the ?Registration Statement?) for the initial public offering (the ?IP

Form of Registration Rights Agreement.

Exhibit 10.4 REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this ?Agreement?) is entered into as of the day of , 2018, by and among Allegro Merger Corp., a Delaware corporation (the ?Company?) and the undersigned parties listed under Investor on the signature page hereto (each, an ?Investor? and collectively, the ?Investors?). WHEREAS, the Investors and the Company desire to ent

Code of Ethics (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

Exhibit 14 ALLEGRO MERGER CORP. CODE OF ETHICS 1. Introduction The Board of Directors of Allegro Merger Corp. has adopted this code of ethics (the ?Code?), which is applicable to all directors, officers and employees, to: ? promote honest and ethical conduct, including the ethical handling of actual or apparent conflicts of interest between personal and professional relationships; ? promote the fu

Form of Subscription Agreement among the Registrant, Cantor Fitzgerald & Co., and Chardan Capital Markets (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on June 21, 2018).

EX-10.5.2 15 fs12018a1ex10-5iiallegro.htm FORM OF SUBSCRIPTION AGREEMENT FROM CANTOR FITZGERALD & CO. AND CHARDAN CAPITAL MARKETS, LLC FOR PRIVATE UNITS Exhibit 10.5.2 UNIT SUBSCRIPTION AGREEMENT This UNIT SUBSCRIPTION AGREEMENT (this “Agreement”) is made as of the [] day of June 2018, by and between Allegro Merger Corp., a Delaware corporation (the “Company”), having its principal place of busine

Form of Promissory Note issued to Eric S. Rosenfeld.

Exhibit 10.3 PROMISSORY NOTE $.00 As of Allegro Merger Corp. (?Maker?) promises to pay to the order of Eric S. Rosenfeld or his successors or assigns (?Payee?) the principal sum of Dollars and No Cents ($.00) in lawful money of the United States of America, on the terms and conditions described below. 1. Principal. The principal balance of this Note shall be repayable on the earlier of (i) , (ii)

ALGR / Allegro Merger Corp. CORRESP

CORRESP 1 filename1.htm Graubard Miller The Chrysler Building 405 Lexington Avenue New York, N.Y. 10174-1101 (212) 818-8800 facsimile direct dial number (212) 818-8881 (212) 818-8638 email address [email protected] May 29, 2018 Ms. Mara L. Ransom Assistant Director Office of Consumer Products Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Allegro Merger Corp.

Certificate of Incorporation (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on May 29, 2018).

Exhibit 3.1 CERTIFICATE OF INCORPORATION OF ALLEGRO MERGER CORP. - - - - - - - - - - - - - - - - - - - - - - - - - - Pursuant to Section 102 of the Delaware General Corporation Law - - - - - - - - - - - - - - - - - - - - - - - - - - I, the undersigned, in order to form a corporation for the purposes hereinafter stated, under and pursuant to the provisions of the General Corporation Law of the Stat

Bylaws (incorporated by reference to the Company’s Registration Statement on Form S-1 (No. 333-225270) filed on May 29, 2018).

Exhibit 3.3 Adopted as of August 7, 2017 BY LAWS OF ALLEGRO MERGER CORP. ARTICLE I OFFICES 1.1 Registered Office. The registered office of Allegro Merger Corp. (the “Corporation”) in the State of Delaware shall be established and maintained at 1013 Centre Road, Suite 403-B, Wilmington, Delaware 19805, County of New Castle and Vcorp Services, LLC shall be the registered agent of the corporation in

As filed with the Securities and Exchange Commission on May 29, 2018

As filed with the Securities and Exchange Commission on May 29, 2018 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

This Draft Registration Statement has not been filed publicly with the Securities and Exchange Commission and all information contained herein remains confidential.

CERTIFICATE OF INCORPORATION ALLEGRO MERGER CORP.

Exhibit 3.1 CERTIFICATE OF INCORPORATION OF ALLEGRO MERGER CORP. Pursuant to Section 102 of the Delaware General Corporation Law I, the undersigned, in order to form a corporation for the purposes hereinafter stated, under and pursuant to the provisions of the General Corporation Law of the State of Delaware (the ?GCL?), do hereby certify as follows: FIRST: The name of the corporation is Allegro M

PROMISSORY NOTE

Exhibit 10.3 PROMISSORY NOTE $ As of , 2017 Allegro Merger Corp. (?Maker?) promises to pay to the order of Eric S. Rosenfeld or his successors or assigns (?Payee?) the principal sum of Dollars and No Cents ($) in lawful money of the United States of America, on the terms and conditions described below. 1. Principal. The principal balance of this Note shall be repayable on the earlier of (i) , 2018

This Draft Registration Statement has not been filed publicly with the Securities and Exchange Commission and all information contained herein remains confidential. As confidentially submitted to the Securities and Exchange Commission on November 28,

This Draft Registration Statement has not been filed publicly with the Securities and Exchange Commission and all information contained herein remains confidential.

ALGR / Allegro Merger Corp. DRSLTR

DRSLTR 1 filename1.htm Graubard Miller The Chrysler Building 405 Lexington Avenue New York, N.Y. 10174-1101 (212) 818-8800 facsimile direct dial number (212) 818-8881 (212) 818-8638 email address [email protected] November 28, 2017 Ms. Mara L. Ransom Assistant Director Office of Consumer Products Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Allegro Merger Co

BY LAWS ALLEGRO MERGER CORP. ARTICLE I OFFICES

Exhibit 3.3 Adopted as of August 7, 2017 BY LAWS OF ALLEGRO MERGER CORP. ARTICLE I OFFICES 1.1 Registered Office. The registered office of Allegro Merger Corp. (the ?Corporation?) in the State of Delaware shall be established and maintained at 1013 Centre Road, Suite 403-B, Wilmington, Delaware 19805, County of New Castle and Vcorp Services, LLC shall be the registered agent of the corporation in

BY LAWS ALLEGRO MERGER CORP. ARTICLE I OFFICES

EX-3.3 3 filename3.htm Exhibit 3.3 Adopted as of August 7, 2017 BY LAWS OF ALLEGRO MERGER CORP. ARTICLE I OFFICES 1.1 Registered Office. The registered office of Allegro Merger Corp. (the “Corporation”) in the State of Delaware shall be established and maintained at 1013 Centre Road, Suite 403-B, Wilmington, Delaware 19805, County of New Castle and Vcorp Services, LLC shall be the registered agent

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549

This Draft Registration Statement has not been filed publicly with the Securities and Exchange Commission and all information contained herein remains confidential.

CERTIFICATE OF INCORPORATION ALLEGRO MERGER CORP. - - - - - - - - - - - - - - - - - - - - - - - - - - Pursuant to Section 102 of the Delaware General Corporation Law - - - - - - - - - - - - - - - - - - - - - - - - - -

Exhibit 3.1 CERTIFICATE OF INCORPORATION OF ALLEGRO MERGER CORP. - - - - - - - - - - - - - - - - - - - - - - - - - - Pursuant to Section 102 of the Delaware General Corporation Law - - - - - - - - - - - - - - - - - - - - - - - - - - I, the undersigned, in order to form a corporation for the purposes hereinafter stated, under and pursuant to the provisions of the General Corporation Law of the Stat

PROMISSORY NOTE

Exhibit 10.3 PROMISSORY NOTE $15,000.00 As of October 17, 2017 Allegro Merger Corp. (?Maker?) promises to pay to the order of Eric S. Rosenfeld or his successors or assigns (?Payee?) the principal sum of Fifteen Thousand Dollars and No Cents ($15,000.00) in lawful money of the United States of America, on the terms and conditions described below. 1. Principal. The principal balance of this Note sh