Robert Petrocelli - May 24, 2021 Form 4 Insider Report for DATTO HOLDING CORP. (MSP)

Role: Chief Technology Officer
Signature: /s/ Adam Collicelli, by Power of Attorney
Stock symbol: MSP
Transactions as of: May 24, 2021
Transactions value $: -$266,743
Form type: 4
Date filed: 5/26/2021, 04:28 PM
Next filing: May 28, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MSP	Common Stock	Options Exercise	$198K	+17.2K	+11.45%	$11.54	167K	May 24, 2021	Direct	F1
transaction	MSP	Common Stock	Sale	-$465K	-17.2K	-10.27%	$27.07	150K	May 24, 2021	Direct	F1, F2

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MSP	Options (Right to Buy)	Options Exercise	$0	-17.2K	-4.08%	$0.00	404K	May 24, 2021	Common Stock	17.2K	$11.54	Direct	F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The exercise and sale reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan previously adopted by the Reporting Person on December 16, 2020.
F2	This transaction was executed in multiple trades at prices ranging from $27.00 to $27.22 per share. The price reported reflects the weighted average sale price. Upon request by the Issuer, any security holder of the Issuer or the staff of the SEC, the Reporting Person undertakes to provide full information regarding the number of shares sold at each separate price within the range set forth in this footnote.
F3	These options vested 25% on July 15, 2020 and then quarterly thereafter at a rate of 6.25% as long as such individual continues to be employed as of each respective vest date.