Matthew Brown - Feb 15, 2022 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: Chief Financial Officer
Signature: /s/ Raoul Maitra, attorney-in-fact for Matthew Brown
Stock symbol: ALTR
Transactions as of: Feb 15, 2022
Transactions value $: $0
Form type: 4
Date filed: 3/16/2022, 04:49 PM
Previous filing: Jan 19, 2022
Next filing: Mar 9, 2022

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTR	Class A Common Stock	Award	$0	+4K	+17.54%	$0.00	26.8K	Feb 15, 2022	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	ALTR	Stock Option (Right to Buy)	Award	$0	+12K		$0.00	12K	Feb 15, 2022	Class A Common Stock	12K	$61.79	Direct	F3

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

Explanation of Responses:

Id	Content
F1	On February 15, 2022, the Reporting Person was granted 4,000 Class A Common Stock restricted stock units, which vest in 4 equal annual installments commencing February 15, 2023.
F2	Includes 22,750 Class A Common Stock restricted stock units that are unvested.
F3	On February 15, 2022, the Reporting Person was granted 12,000 Class A Common Stock options, the options vest in 4 equal annual installments commencing February 15, 2023.