MSP / Datto Holding Corp - Pengajuan SECLaporan Tahunan, Pernyataan Proksi

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: 001-39637 Datto Holding Corp. (Exact name of registrant as specified in its

As filed with the Securities and Exchange Commission on June 23, 2022

As filed with the Securities and Exchange Commission on June 23, 2022 Registration No.

Amended and Restated Bylaws of Datto Holding Corp.

Exhibit 3.2 DATTO HOLDING CORP. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE BY-LAWS ARTICLE I. OFFICES. The registered office of Datto Holding Corp. (the ?Corporation?) shall be located in the state of Delaware and shall be at such address as shall be set forth in the Certificate of Incorporation. The registered agent of the Corporation at such address shall be as set forth in the Certifi

Changes in Control of Registrant, Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Material Modification to Rights of Security Holders, Notice of Delisting or Failure to Satisfy a Continued Listing Rule or Standard; Transfer of Listing, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant, Completion of Acquisition or Disposition of Assets

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, 2022 (June 23, 2022) DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (

Agreement and Plan of Merger, by and among Datto Holding Corp., Knockout Parent Inc. and Knockout Merger Sub Inc., and, for limited purposes set forth therein, Kaseya Holdings Inc. and Kaseya Inc. dated April 11, 2022.*

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among KNOCKOUT PARENT INC., KNOCKOUT MERGER SUB INC., DATTO HOLDING CORP., KASEYA HOLDINGS INC., solely for the limited purposes set forth herein and KASEYA INC., solely for the limited purposes set forth herein Dated as of April 11, 2022 TABLE OF CONTENTS Page ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Index of Defined T

EX-99.25

NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on July 05, 2022, pursuant to the provisions of Rule 12d2-2 (a).

Amended and Restated Certificate of Incorporation of Datto Holding Corp.

Exhibit 3.1 AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DATTO HOLDING CORP. * * * * * * * * ARTICLE I. The name of the corporation (the ?Corporation?) is: DATTO HOLDING CORP. ARTICLE II. The address of the registered office of the Corporation in the State of Delaware is: Corporation Trust Center, 1209 Orange Street, Wilmington, County of New Castle, Delaware, 19801. The name of the regist

As filed with the Securities and Exchange Commission on June 23, 2022

As filed with the Securities and Exchange Commission on June 23, 2022 Registration No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of inc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM SD SPECIALIZED DISCLOSURE REPORT DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission file number) (I.R.S. Employer Identification No.) 101 Merritt 7 Norwalk, Connecticut United States 06851 (Address of principal

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 26, 2022 (May 25, 2022) DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Co

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: ? Preliminary information statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ? Definitive information statement Datto Holding Corp

Calculation of Filing Fee Table 1 - Transaction Value Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $6,194,301,287 0.0000927 $574,211.73 Fees Previously Paid $0 0 Total Transaction Valuation $6,194,301,287 Total Fees Due for Fil

Exhibit 107 Calculation of Filing Fee Table 1 - Transaction Value Transaction Valuation Fee rate Amount of Filing Fee Fees to Be Paid $6,194,301,287 0.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14C INFORMATION Information Statement Pursuant to Section 14(c) of the Securities Exchange Act of 1934 Check the appropriate box: ? Preliminary information statement ? Confidential, for Use of the Commission Only (as permitted by Rule 14c-5(d)(2)) ? Definitive information statement Datto Holding Corp

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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 Quarterly Period Ended March 31, 2022 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 001-39637 DATTO HOLDING CORP. (

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 9, 2022 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission File Nu

Datto Announces First Quarter 2022 Financial Results First quarter subscription revenue grew 18% year-over-year to $160.5 million and 20% in constant currency ARR grew 20% year-over-year to $689.3 million

EXHIBIT 99.1 Datto Announces First Quarter 2022 Financial Results First quarter subscription revenue grew 18% year-over-year to $160.5 million and 20% in constant currency ARR grew 20% year-over-year to $689.3 million Norwalk, CT ? May 9, 2022?Datto Holding Corp. (Datto) (NYSE: MSP), the leading global provider of security and cloud-based software solutions purpose-built for Managed Service Provid

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K/A (Amendment No. 1) (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 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-

Entry into a Material Definitive Agreement, Other Events, 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): April 13, 2022 (April 11, 2022) DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation)

Agreement and Plan of Merger, by and among Datto Holding Corp., Knockout Parent Inc. and Knockout Merger Sub Inc., and, for limited purposes set forth therein, Kaseya Holdings Inc. and Kaseya Inc. dated April 11, 2022.*

Exhibit 2.1 AGREEMENT AND PLAN OF MERGER by and among KNOCKOUT PARENT INC., KNOCKOUT MERGER SUB INC., DATTO HOLDING CORP., KASEYA HOLDINGS INC., solely for the limited purposes set forth herein and KASEYA INC., solely for the limited purposes set forth herein Dated as of April 11, 2022 i TABLE OF CONTENTS Page ARTICLE I DEFINITIONS & INTERPRETATIONS 2 1.1 Certain Definitions 2 1.2 Index of Defined

April 12, 2022

April 12, 2022 Page 1 VIA EDGAR United States Securities and Exchange Commission Division of Corporation Finance Office of Technology Attention: Kathleen Collins and Brittany Ebbertt 100 F Street, NE Washington, D.

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 11, 2022 (April 11, 2022) DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation)

Datto to be Acquired by Kaseya for $6.2 Billion, with Funding Led by Insight Partners Datto stockholders to receive $35.50 per share in cash

Exhibit 99.1 Datto to be Acquired by Kaseya for $6.2 Billion, with Funding Led by Insight Partners Datto stockholders to receive $35.50 per share in cash MIAMI, FL and NORWALK, CT ? April 11, 2022 ? Kaseya, a premier provider of unified IT management and security software for managed service providers (MSPs) and small to medium-sized businesses (SMBs), and Datto (NYSE:MSP), a leading global provid

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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

Employment Agreement with Chris McCloskey.

EXHIBIT 10.10 October 31, 2018 Chris McCloskey [Address Redacted] Re: Employment with Datto, Inc. Dear Chris: This letter sets forth the terms of your employment with Datto, Inc. (as such company?s name may change from time to time and such company?s successors and assigns, the ?Company?). We are very excited about this opportunity, and value the role you can serve on our team going forward. 1. Yo

Datto Announces Fourth Quarter and Full Year 2021 Financial Results Fourth quarter subscription revenue grew 19 percent year-over-year to $153.2 million ARR grew 21 percent year-over-year to $658.4 million

EXHIBIT 99.1 Datto Announces Fourth Quarter and Full Year 2021 Financial Results Fourth quarter subscription revenue grew 19 percent year-over-year to $153.2 million ARR grew 21 percent year-over-year to $658.4 million Norwalk, CT ? February 23, 2022?Datto Holding Corp. (Datto) (NYSE: MSP), the leading global provider of security and cloud-based software solutions purpose-built for Managed Service

List of subsidiaries of Datto Holding Corp.

EXHIBIT 21.1 SUBSIDIARIES OF DATTO HOLDING CORP. Name Jurisdiction of Formation Merritt Holdco, Inc. Delaware Datto, Inc. Delaware Autotask Superior Holding, Inc. Delaware Backupify, Inc. Delaware Datto Europe Limited United Kingdom Datto Canada Enterprises, Inc. Canada Datto AsiaPac Pty. Ltd. Australia Open Mesh, Inc. Oregon Autotask Corporation Delaware Datto Singapore Pte. Ltd. Singapore Datto

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K

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 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: 001-39637 DATTO HOLDING

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 23, 2022 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission F

MSP / Datto Holding Corp / Austin McChord Non-Exempt Irrevocable Family Trust - AMENDMENT NO. 2 TO SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No. 2)* Datto Holding Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 23821D 100 (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

Datto Acquires Cybersecurity Company Infocyte Innovative Threat Detection and Response Technology Builds Upon Datto’s Endpoint Security Offering for MSPs

Datto Acquires Cybersecurity Company Infocyte Innovative Threat Detection and Response Technology Builds Upon Datto’s Endpoint Security Offering for MSPs NORWALK, Conn.

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): January 20, 2022 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission Fi

Datto Inaugural Investor Day December 9, 2021 Agenda Time Topic Presenter 1:05 – 1:25pm Sustainable Growth in the Age of the MSP Tim Weller | Chief Executive Officer 1:25 - 1:50pm Datto’s Differentiated Products and Technology Bob Petrocelli | Chief

Datto Inaugural Investor Day December 9, 2021 Agenda Time Topic Presenter 1:05 ? 1:25pm Sustainable Growth in the Age of the MSP Tim Weller | Chief Executive Officer 1:25 - 1:50pm Datto?s Differentiated Products and Technology Bob Petrocelli | Chief Technology Officer 1:50 ? 2:00pm Securing Datto Ryan Weeks | Chief Information Security Officer 10 MINUTE BREAK 2:10 ? 2:35pm The Power of Channel Lev

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): December 9, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission Fi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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 Quarterly Period Ended September 30, 2021 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 001-39637 DATTO HOLDING COR

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 10, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission F

Datto Announces Third Quarter 2021 Financial Results Third quarter subscription revenue grew 20 percent year-over-year to $146.8 million ARR grew 20 percent year-over-year to $626.7 million

EXHIBIT 99.1 Datto Announces Third Quarter 2021 Financial Results Third quarter subscription revenue grew 20 percent year-over-year to $146.8 million ARR grew 20 percent year-over-year to $626.7 million Norwalk, CT ? November 10, 2021?Datto Holding Corp. (Datto) (NYSE: MSP), the leading global provider of cloud-based software and security solutions purpose-built for delivery by managed service pro

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

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): October 19, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission Fi

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 11, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission Fil

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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 Quarterly Period Ended June 30, 2021 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 001-39637 DATTO HOLDING CORP. (E

Datto Announces Second Quarter 2021 Financial Results Second quarter subscription revenue grew 21 percent year-over-year to $141.7 million ARR grew 18 percent year-over-year to $597.9 million

EXHIBIT 99.1 Datto Announces Second Quarter 2021 Financial Results Second quarter subscription revenue grew 21 percent year-over-year to $141.7 million ARR grew 18 percent year-over-year to $597.9 million Norwalk, CT ? August 11, 2021?Datto Holding Corp. (Datto) (NYSE: MSP), the leading global provider of cloud-based software and security solutions purpose-built for delivery by managed service pro

As filed with the Securities and Exchange Commission on June 7, 2021

As filed with the Securities and Exchange Commission on June 7, 2021 Registration No.

MSP / Datto Holding Corp / Austin McChord Non-Exempt Irrevocable Family Trust - AMENDMENT NO. 1 TO SCHEDULE 13G 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)* Datto Holding Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 23821D 100 (CUSIP Number) May 27, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sched

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits, 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): May 28, 2021 (May 27, 2021) DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Co

Datto Announces First Quarter 2021 Financial Results First quarter subscription revenue grew 17 percent year-over-year to $135.6 million ARR grew 15 percent year-over-year to $572.5 million

EXHIBIT 99.1 Datto Announces First Quarter 2021 Financial Results First quarter subscription revenue grew 17 percent year-over-year to $135.6 million ARR grew 15 percent year-over-year to $572.5 million Norwalk, CT ? May 12, 2021?Datto Holding Corp. (Datto) (NYSE: MSP), the leading global provider of cloud-based software and security solutions purpose-built for delivery by managed service provider

Employment Agreement, dated as of

Exhibit 10.1 January 9, 2020 John Abbot Re: Employment with Datto, Inc. Dear John: Datto, Inc., a Delaware corporation (as such company?s name may change from time to time and such company?s successors and assigns, together with its affiliates and subsidiaries, the ?Company?) is very excited for you to join the team. 1. You will be the Chief Financial Officer of the Company, reporting to the Compa

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 12, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission File N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q

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 Quarterly Period Ended March 31, 2021 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 001-39637 DATTO HOLDING CORP. (

Datto Holding Corp. 2021 Employee Stock Purchase Plan (incorporated by reference to Appendix A to Datto Holding Corp.'s Definitive Proxy Statement filed on April 26, 2021).

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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

- PRE 14A

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A INFORMATION 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

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, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation or organization)

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )*

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Datto Holding Corp. (Name of Issuer) Common Stock (Title of Class of Securities) 23821D 100 (CUSIP Number) December 31, 2020 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Sch

Datto Announces Fourth Quarter and Full Year 2020 Financial Results Fourth quarter subscription revenue grew 16 percent year-over-year to $129.0 million ARR grew 14 percent year-over-year to $542.8 million

EXHIBIT 99.1 Datto Announces Fourth Quarter and Full Year 2020 Financial Results Fourth quarter subscription revenue grew 16 percent year-over-year to $129.0 million ARR grew 14 percent year-over-year to $542.8 million Norwalk, CT ? March 11, 2021?Datto Holding Corp. (?Datto?) (NYSE: MSP), the leading global provider of cloud-based software and technology solutions purpose-built for delivery by ma

Description of Datto Holding Corp.'s Common Stock.

EXHIBIT 4.2 Description of Registrant?s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 General As of December 31, 2020, Datto Holding Corp. (the ?Company,? ?we,? ?our,? and ?us?) had one class of securities, our common stock, par value $0.001 per share (?common stock?), registered under Section 12 of the Securities Exchange Act of 1934, as amended. The followin

Annual Report - 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? 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 SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number: 001-39637 DATTO HOLDING CORP. (Exac

subsidiaries of Datto Holding Corp.

EXHIBIT 21.1 SUBSIDIARIES OF DATTO HOLDING CORP. Name Jurisdiction of Formation Merritt Holdco, Inc. Delaware Datto, Inc. Delaware Autotask Superior Holding, Inc. Delaware Backupify, Inc. Delaware Datto Europe Limited United Kingdom Datto Canada Enterprises, Inc. Canada Datto AsiaPac Pty. Ltd. Australia Open Mesh, Inc. Oregon Autotask Corporation Delaware Datto Singapore Pte. Ltd. Singapore Datto

Financial Statements and Exhibits, Results of Operations and Financial Condition

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 11, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission File

Datto Acquires Cyber Threat Detection Company BitDam Patented security technology to protect cloud-based applications for SMBs

Datto Acquires Cyber Threat Detection Company BitDam Patented security technology to protect cloud-based applications for SMBs Norwalk, Conn.

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): March 10, 2021 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commission File

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. )*

SC 13G 1 tm215753d1sc13g.htm SC 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Datto Holding Corp. (Name of Issuer) Common Stock, par value $0.001 per share (Title of Class of Securities) 23821D 100 (CUSIP Number) December 31, 2020 (Date of Event which Requires Filing of this Statement) Check the

Quarterly Report - 10-Q

10-Q Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.

Financial Statements and Exhibits, Results of Operations and Financial Condition - 8-K

8-K 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 23, 2020 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commissi

Datto Announces Third Quarter 2020 Financial Results Subscription revenue grew 17 percent year-over-year to $122.8 million ARR grew 17 percent year-over-year to $522.8 million

EX-99.1 Exhibit 99.1 Datto Announces Third Quarter 2020 Financial Results Subscription revenue grew 17 percent year-over-year to $122.8 million ARR grew 17 percent year-over-year to $522.8 million Norwalk, CT – November 23, 2020—Datto Holding Corp. (“Datto”) (NYSE: MSP), the leading global provider of cloud-based software and technology solutions purpose-built for delivery by managed service provi

Form of Director Restricted Stock Unit Award Agreement (incorporated by reference to Exhibit 10.3 to Datto Holding Corp.’s Registration Statement on Form S-8 filed on October 30, 2020).

EX-10.3 Exhibit 10.3 NON-EMPLOYEE OUTSIDE DIRECTOR RESTRICTED STOCK UNIT AGREEMENT * * * * * Participant: Grant Date: Number of RSUs Granted: * * * * * THIS RESTRICTED STOCK UNIT AWARD AGREEMENT (this “Agreement”), dated as of the Grant Date specified above, is entered into by and between Datto Holding Corp. (formerly known as Merritt Topco, Inc.), a corporation organized in the State of Delaware

Datto Holding Corp. Omnibus Incentive Plan (incorporated by reference to Exhibit 10.1 to Datto Holding Corp.’s Registration Statement on Form S-8 filed on October 30, 2020).

EX-10.1 Exhibit 10.1 DATTO HOLDING CORP. OMNIBUS INCENTIVE PLAN ARTICLE I PURPOSE; EFFECTIVE DATE; TERM 1.1 Purpose. The purpose of this Datto Holding Corp. Omnibus Incentive Plan is to enhance the profitability and value of the Company for the benefit of its Stockholders by enabling the Company to offer Eligible Individuals stock- and cash-based incentives in order to attract, retain, and reward

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S-8 As filed with the Securities and Exchange Commission on October 30, 2020 Registration No.

Form of 2017 Autotask Option Rollover Agreement (incorporated by reference to Exhibit 10.4 to Datto Holding Corp.’s Registration Statement on Form S-8 filed on October 30, 2020).

EX-10.4 Exhibit 10.4 OPTION ROLLOVER AGREEMENT This OPTION ROLLOVER AGREEMENT (this “Agreement”) is entered into as of by and between Merritt Topco, Inc., a Delaware corporation (“Topco”), and (the “Rollover Holder”). WHEREAS, Datto, Inc. a Delaware corporation (“Parent”). Asteroid Merger Sub, Inc., a Delaware corporation and wholly-owned subsidiary of Parent (“Merger Sub”), Autotask Superior Hold

Credit Agreement, dated as of October 23, 2020, by and among Datto, Inc., as borrower, Merritt Holdco, Inc., Autotask Superior Holding, Inc., Backupify, Inc., Open Mesh, Inc., Autotask Corporation, and SoonR, Inc., as guarantors, the other loan parties thereto, the lenders party thereto and Morgan Stanley Senior Funding, Inc., as administrative agent (incorporated by reference to Exhibit 10.1 to Datto Holding Corp.’s Current Report on Form 8-K filed on October 29, 2020).

EX-10.1 Exhibit 10.1 Published CUSIP Number: 23820PAF1 Deal Published CUSIP Number: 23820PAG9 Revolving Credit Facility CREDIT AGREEMENT dated as of October 23, 2020 among DATTO, INC., as Borrower, MERRITT HOLDCO, INC., as Holdings, THE OTHER LOAN GUARANTORS FROM TIME TO TIME PARTY HERETO, THE LENDERS FROM TIME TO TIME PARTY HERETO, and MORGAN STANLEY SENIOR FUNDING, INC., as Administrative Agent

Entry into a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant - 8-K

8-K 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): October 23, 2020 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commissio

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Entry into a Material Definitive Agreement, Material Modification to Rights of Security Holders, Financial Statements and Exhibits - 8-K

8-K 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): October 20, 2020 DATTO HOLDING CORP. (Exact name of registrant as specified in its charter) Delaware 001-39637 81-3345706 (State or other jurisdiction of incorporation) (Commissio

Third Amended and Restated Certificate of Incorporation of Datto Holding Corp., dated October 23, 2020 (incorporated by reference to Exhibit 3.1 to Datto Holding Corp.'s Current Report on Form 8-K filed on October 26, 2020).

EX-3.1 Exhibit 3.1 THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DATTO HOLDING CORP. ARTICLE ONE The name of the corporation is Datto Holding Corp. (the “Corporation”). ARTICLE TWO The address of the Corporation’s registered office in the State of Delaware is 1209 Orange Street, in the City of Wilmington, County of New Castle, Delaware, 19801. The name of its registered agent at such

Amended and Restated Bylaws of Datto Holding Corp., dated October 20, 2020 (incorporated by reference to Exhibit 3.2 to Datto Holding Corp.'s Current Report on Form 8-K filed on October 26, 2020).

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF DATTO HOLDING CORP. A Delaware corporation (Adopted as of October 20, 2020) ARTICLE I OFFICES Section 1. Offices. Datto Holding Corp. (the “Corporation”) may have an office or offices other than its registered office at such place or places, either within or outside the State of Delaware, as the Board of Directors of the Corporation (the “Board of

Director Nomination Agreement, dated as of October 23, 2020, by and among Datto Holding Corp. and the other signatories party thereto (incorporated by reference to Exhibit 10.1 to Datto Holding Corp.’s Current Report on Form 8-K filed on October 26, 2020).

EX-10.1 Exhibit 10.1 DIRECTOR NOMINATION AGREEMENT THIS DIRECTOR NOMINATION AGREEMENT (this “Agreement”) is made and entered into as of October 23, 2020, by and among Datto Holding Corp., a Delaware corporation (the “Company”), Vista Foundation Fund II, L.P., Vista Foundation Fund II-A, L.P., VFF II FAF, L.P., Vista Foundation Fund II Executive, L.P., Vista Foundation Associates II, L.P., Merritt

22,000,000 Shares COMMON STOCK

424B4 Table of Contents Filed Pursuant to Rule 424(b)(4) Registration No. 333-249122 22,000,000 Shares COMMON STOCK Datto Holding Corp. is offering 22,000,000 shares of its common stock. This is our initial public offering, and no public market currently exists for our shares. The initial public offering price is $27.00 per share. We have been approved to list our common stock on the New York Stoc

Form 8-A

8-A12B 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 Datto Holding Corp. (Exact name of registrant as specified in its charter) Delaware 81-3345706 (State or other jurisdiction of incorporation) (I.R.S. Employer Identification No.) 101 Merritt

Form of Director Restricted Stock Unit Award Agreement

EX-10.10 Exhibit 10.10 RSU AWARD AGREEMENT DATTO HOLDING CORP. OMNIBUS INCENTIVE PLAN Datto Holding Corp. (the “Company”) grants to the Participant named below (“you”) the number of restricted stock units (“RSUs”) set forth below (the “Award”), under this RSU Award Agreement (“Agreement”). Governing Plan: Datto Holding Corp. Omnibus Incentive Plan Defined Terms: As set forth in the Plan, unless ot

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October 19, 2020 VIA EDGAR United States Securities and Exchange Commission 100 F Street, N.

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S-1/A Table of Contents As filed with the Securities and Exchange Commission on October 19, 2020 Registration No.

Power of attorney for Marc Brown.

EX-24.2 Exhibit 24.2 POWER OF ATTORNEY October 19, 2020 The undersigned director of Datto Holding Corp. hereby appoints each of Tim Weller, John Abbot and Michael Fass, as attorney-in-fact for the undersigned, with full power of substitution and resubstitution, for and in the name, place and stead of the undersigned, to sign and file with the Securities and Exchange Commission under the Securities

Master Services Agreement, dated as of December 7, 2017, by and between Vista Consulting Group, LLC and Datto, Inc. (incorporated by reference to Exhibit 10.9 to Datto Holding Corp.’s Registration Statement on Form S-1/A filed on October 19, 2020).

EX-10.9 Exhibit 10.9 MASTER SERVICES AGREEMENT This Master Services Agreement (this “Agreement”) is made and effective as of December 7, 2017 (the “Effective Date”) by and between Vista Consulting Group, LLC, a Delaware limited liability company (“VCG”) and Datto, Inc., a Delaware corporation (“Service Recipient”). Each of VCG and Service Recipient may be referred to herein as a “Party” or the “Pa

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October 19, 2020 United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.

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S-1/A Table of Contents As filed with the Securities and Exchange Commission on October 14, 2020 Registration No.

Amended and Restated 2017 Stock Option Plan (incorporated by reference to Exhibit 10.3 to Datto Holding Corp.’s Registration Statement on Form S-1 filed on October 14, 2020).

EX-10.3 Exhibit 10.3 MERRITT TOPCO, INC. AMENDED AND RESTATED 2017 STOCK OPTION PLAN 1. Purpose of Plan. This Amended and Restated 2017 Stock Option Plan (this “Plan”) of Merritt Topco, Inc., a Delaware corporation (the “Company”), is designed to provide incentives to such present and future employees, directors, officers, consultants or advisors of the Company or its subsidiaries (“Participants”)

Form of Datto Holding Corp. Omnibus Incentive Plan.

EX-10.2 Exhibit 10.2 DATTO HOLDING CORP. OMNIBUS INCENTIVE PLAN ARTICLE I PURPOSE; EFFECTIVE DATE; TERM 1.1 Purpose. The purpose of this Datto Holding Corp. Omnibus Incentive Plan is to enhance the profitability and value of the Company for the benefit of its Stockholders by enabling the Company to offer Eligible Individuals stock- and cash-based incentives in order to attract, retain, and reward

Form of Director Nomination Agreement.

EX-10.8 Exhibit 10.8 DIRECTOR NOMINATION AGREEMENT THIS DIRECTOR NOMINATION AGREEMENT (this “Agreement”) is made and entered into as of , 2020, by and among Datto Holding Corp., a Delaware corporation (the “Company”), Vista Foundation Fund II, L.P., Vista Foundation Fund II-A, L.P., VFF II FAF, L.P., Vista Foundation Fund II Executive, L.P., Vista Foundation Associates II, L.P., Merritt VI Aggrega

Consent of David Breach

EX-99.1 8 d36878dex991.htm EX-99.1 Exhibit 99.1 The undersigned hereby consents to being named in the registration statement on Form S-1 and in all subsequent amendments and post-effective amendments or supplements thereto and in any registration statement for the same offering that is to be effective upon filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended (the “Registrati

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300 North LaSalle Chicago, IL 60654 Robert Goedert, P.C. United States To Call Writer Directly: Facsimile: +1 312 862 7317 +1 312 862 2000 +1 312 862 2200 [email protected] www.kirkland.com October 14, 2020 Via EDGAR Submission United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Brittany Ebbertt Kathleen Collins

Consent of Christina Lema

EX-99.2 9 d36878dex992.htm EX-99.2 Exhibit 99.2 The undersigned hereby consents to being named in the registration statement on Form S-1 and in all subsequent amendments and post-effective amendments or supplements thereto and in any registration statement for the same offering that is to be effective upon filing pursuant to Rule 462(b) under the Securities Act of 1933, as amended (the “Registrati

Form of Underwriting Agreement.

EX-1.1 Exhibit 1.1 [●] Shares DATTO HOLDING CORP. COMMON STOCK, PAR VALUE $0.001 PER SHARE UNDERWRITING AGREEMENT [●], 2020 1 [●], 2020 Morgan Stanley & Co. LLC BofA Securities, Inc. c/o Morgan Stanley & Co. LLC 1585 Broadway New York, New York 10036 c/o BofA Securities, Inc. One Bryant Park New York, New York 10036 Ladies and Gentlemen: Datto Holding Corp., a Delaware corporation (the “Company”),

Powers of attorney (included on signature page).

S-1 Table of Contents As filed with the Securities and Exchange Commission on September 29, 2020 Registration No.

List of subsidiaries of Datto Holding Corp.

EX-21.1 Exhibit 21.1 SUBSIDIARIES OF DATTO HOLDING CORP. Name Jurisdiction of Formation Merritt Holdco, Inc. Delaware Datto, Inc. Delaware Autotask Superior Holding, Inc. Delaware Backupify, Inc. Delaware Datto Europe Limited United Kingdom Datto Canada Enterprises, Inc. Canada Datto AsiaPac Pty. Ltd. Australia Open Mesh, Inc. Oregon Autotask Corporation Delaware Datto Singapore Pte. Ltd. Singapor

Credit Agreement, dated as of April 2, 2019, among Datto, Inc., Merritt Holdco, Inc., the other guarantors party thereto, the lenders from time to time party thereto, Credit Suisse AG, Cayman Islands Branch, as administrative agent and collateral agent, and the other joint lead arrangers and joint bookrunners party thereto.

EX-10.1 Exhibit 10.1 Execution Version CREDIT AGREEMENT dated as of April 2, 2019, among DATTO, INC., as Borrower, MERRITT HOLDCO, INC., as Holdings, THE OTHER GUARANTORS FROM TIME TO TIME PARTY HERETO, THE LENDERS FROM TIME TO TIME PARTY HERETO, CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, as Administrative Agent and Collateral Agent, and CREDIT SUISSE LOAN FUNDING LLC, MERRILL LYNCH, PIERCE, FENNER

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300 North LaSalle Chicago, IL 60654 Robert Goedert, P.C. United States To Call Writer Directly: +1 312 862 7317 [email protected] +1 312 862 2000 www.kirkland.com Facsimile: +1 312 862 2200 September 29, 2020 Via EDGAR Submission United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Brittany Ebbertt Kathleen Collin

Registration Rights Agreement.

EX-3.3 Exhibit 3.3 FINAL REGISTRATION RIGHTS AGREEMENT THIS REGISTRATION RIGHTS AGREEMENT (this “Agreement”) is effective as of December 7, 2017, by and among Merritt Topco, Inc., a Delaware corporation (the “Company”), each of the Persons listed on Schedule I attached hereto (each such Person, a “VEP Stockholder” and collectively, the “VEP Stockholders”), each of the Persons listed on Schedule II

Employment Agreement with Timothy Weller

EX-10.8 Exhibit 10.8 July 20, 2018 Timothy Weller P.O. Box 425014 Cambridge, MA 02142 Re: Employment with Datto. Inc. Dear Mr. Weller: As you know, on December 7, 2017 (the “Closing Date”), Vista Equity Partners completed its acquisition of Datto, Inc., a Delaware corporation (as such company’s name may change from time to time and such company’s successors and assigns, the “Company”) pursuant to

Amended and Restated Certificate of Incorporation of Datto Holding Corp.

EX-3.1 Exhibit 3.1 THIRD AMENDED AND RESTATED CERTIFICATE OF INCORPORATION OF DATTO HOLDING CORP. * * * * * [ ], being the [ ] of Datto Holding Corp., a corporation duly organized and existing under and by virtue of the General Corporation Law of the State of Delaware (the “Corporation”), DOES HEREBY CERTIFY as follows: FIRST: The present name of the Corporation is Datto Holding Corp. The Corporat

Employment Agreement with Robert Petrocelli

EX-10.9 Exhibit 10.9 October 1, 2019 Robert Petrocelli Re: Employment with Datto, Inc. Dear Bob: Datto, Inc., a Delaware corporation (as such company’s name may change from time to time and such company’s successors and assigns, together with its affiliates and subsidiaries, the “Company”) is very excited for you to join the team. Reference is made to your initial offer letter dated May 24, 2019 (

Amended and Restated Bylaws of Datto Holding Corp.

EX-3.2 Exhibit 3.2 AMENDED AND RESTATED BYLAWS OF DATTO HOLDING CORP. A Delaware corporation (Adopted as of , 2020) ARTICLE I OFFICES Section 1. Offices. Datto Holding Corp. (the “Corporation”) may have an office or offices other than its registered office at such place or places, either within or outside the State of Delaware, as the Board of Directors of the Corporation (the “Board of Directors”

Employment Agreement with Sanjay Singh

EX-10.10 Exhibit 10.10 April 30, 2019 Sanjay Singh Re: Employment with Datto, Inc. Dear Sanjay: Datto, Inc., a Delaware corporation (as such company’s name may change from time to time and such company’s successors and assigns, together with its affiliates and subsidiaries, the “Company”) is very excited for you to join the team. Reference is made to your initial offer letter dated April 5, 2019 (

Form of Indemnification Agreement.

EX-10.11 Exhibit 10.11 INDEMNIFICATION AGREEMENT THIS INDEMNIFICATION AGREEMENT (this “Agreement”) is made and entered into as of [●], 2020, between Datto Holding Corp., a Delaware corporation (the “Company”), and [ ] (“Indemnitee”). WHEREAS, highly competent persons have become more reluctant to serve corporations as directors or officers or in other capacities unless they are provided with adequ

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DRS/A Table of Contents Confidential Draft No. 4 as submitted confidentially to the Securities and Exchange Commission on September 4, 2020 pursuant to the Jumpstart Our Business Startups Act of 2012. This draft registration statement has not been publicly filed with the Securities and Exchange Commission and all information herein remains strictly confidential. Registration No. 333- UNITED STATES

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Robert Goedert, P.C. To Call Writer Directly: +1 312 862 7317 [email protected] 300 North LaSalle Chicago, IL 60654 United States +1 312 862 2000 www.kirkland.com Facsimile: +1 312 862 2200 September 4, 2020 Via EDGAR Submission and Overnight Delivery United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Brittany E

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DRS/A Table of Contents Confidential Draft No. 3 as submitted confidentially to the Securities and Exchange Commission on March 23, 2020 pursuant to the Jumpstart Our Business Startups Act of 2012. This draft registration statement has not been publicly filed with the Securities and Exchange Commission and all information herein remains strictly confidential. Registration No. 333- UNITED STATES SE

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Robert Goedert, P.C. To Call Writer Directly: +1 312 862 7317 [email protected] 300 North LaSalle Chicago, IL 60654 United States +1 312 862 2000 www.kirkland.com Facsimile: +1 312 862 2200 March 23, 2020 Via EDGAR Submission and Overnight Delivery United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Brittany Ebbe

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DRS/A Table of Contents Confidential Draft No. 2 as submitted confidentially to the Securities and Exchange Commission on January 31, 2020 pursuant to the Jumpstart Our Business Startups Act of 2012. This draft registration statement has not been publicly filed with the Securities and Exchange Commission and all information herein remains strictly confidential. Registration No. 333- UNITED STATES

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Robert Goedert, P.C. To Call Writer Directly :+1 312 862 7317 [email protected] 300 North LaSalle Chicago, IL 60654 United States +1 312 862 2000 www.kirkland.com Facsimile: +1 312 862 2200 January 31, 2020 Via EDGAR Submission and Overnight Delivery United States Securities and Exchange Commission Division of Corporation Finance 100 F Street, N.E. Washington, D.C. 20549 Attention: Brittany Eb

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DRS Table of Contents As submitted confidentially to the Securities and Exchange Commission on December 18, 2019 pursuant to the Jumpstart Our Business Startups Act of 2012.