Mahalingam Srikanth - 04 Dec 2020 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: 04 Dec 2020
Net transactions value: +$4,364
Form type: 4
Filing time: 22 Apr 2022, 08:27:41 UTC
Next filing: 19 Jan 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	$4,364	+6,819	+29%	$0.6400^*	30,492	04 Dec 2020	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	-6,819	-100%	$0.000000^*	0	04 Dec 2020	Class A Common Stock	6,819	$0.6400	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 3 equal annual installments commencing December 31, 2011. This option is currently fully vested.