Robert Petrocelli - May 28, 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 28, 2021
Transactions value $: -$7,730
Form type: 4
Date filed: 6/2/2021, 05:02 PM
Previous filing: May 28, 2021
Next filing: Jun 10, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	MSP	Common Stock	Options Exercise	$5.77K	+500	+0.33%	$11.54	151K	May 28, 2021	Direct	F1
transaction	MSP	Common Stock	Sale	-$13.5K	-500	-0.33%	$27.00	150K	May 28, 2021	Direct	F1

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	-500	-0.13%	$0.00	396K	May 28, 2021	Common Stock	500	$11.54	Direct	F2

* 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	These options vested 25% on July 15, 2020 and then quarterly at a rate of 6.25% as long as the Reporting Person continues to be employed as of each respective vesting date.