Mahalingam Srikanth - Mar 2, 2023 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: Chief Technology Officer
Signature: /s/ Raoul Maitra, attorney-in-fact for Mahalingam Srikanth
Stock symbol: ALTR
Transactions as of: Mar 2, 2023
Transactions value $: $0
Form type: 4
Date filed: 3/3/2023, 02:28 PM
Previous filing: Jan 18, 2023
Next filing: Jun 13, 2023

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTR	Class A Common Stock	Award	$0	+5.94K	+18.11%	$0.00	38.7K	Mar 2, 2023	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	+14.8K		$0.00	14.8K	Mar 2, 2023	Class A Common Stock	14.8K	$65.19	Direct	F3

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

Explanation of Responses:

Id	Content
F1	On March 2, 2023, the Reporting Person was granted 5,938 Class A Common Stock restricted stock units, which vest in 4 equal annual installments commencing March 2, 2024.
F2	Includes 11,041 Class A Common Stock restricted stock units that are unvested.
F3	On March 2, 2023, the Reporting Person was granted 14,845 Class A Common Stock options, the options vest in 4 equal annual installments commencing March 2, 2024.