Mahalingam Srikanth - 15 Nov 2022 Form 4 Insider Report for Altair Engineering Inc. (ALTR)

Role: Chief Technical Officer
Signature: /s/ Raoul Maitra, attorney-in-fact for Mahalingam Srikanth
Issuer symbol: ALTR
Transactions as of: 15 Nov 2022
Net transactions value: +$4,960
Form type: 4
Filing time: 16 Nov 2022, 19:54:12 UTC
Previous filing: 18 Jul 2022
Next filing: 16 Dec 2022
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	ALTR	Class A Common Stock	Options Exercise	$4,960	+2,000	+6.5%	$2.48^*	32,638	15 Nov 2022	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	ALTR	Stock Option (Right to Buy)	Options Exercise	$0	-2,000	-100%	$0.000000^*	0	15 Nov 2022	Class A Common Stock	2,000	$2.48	Direct	F2

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

Explanation of Responses:

Id	Content
F1	Includes 5,816 Class A Common Stock restricted stock units that are unvested.
F2	The options vested in 4 equal annual installments commencing December 21, 2013. This option is currently fully vested.