Gayle Brian [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
07/14/2023	Altair Engineering Inc.	ALTR	Grant	Class A Common Stock	140	$42.65	$6k	07/14/2023
03/17/2023	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	79	$68.11	$5.4k	03/16/2023
03/16/2023	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	297	$64.97	$19.3k	03/16/2023
12/15/2022	Altair Engineering Inc.	ALTR	Grant	Stock Option (Right to Buy)	24k	$45.91	$1.1M	12/15/2022
07/14/2022	Altair Engineering Inc.	ALTR	Grant	Class A Common Stock	145	$41.68	$6k	07/14/2022
03/17/2022	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	77	$61.13	$4.7k	03/17/2022
03/16/2022	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	319	$58.48	$18.7k	02/15/2022
03/16/2022	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	5	$59.98	$299.9	02/15/2022
03/07/2022	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	91	$64.55	$5.9k	03/07/2022
02/15/2022	Altair Engineering Inc.	ALTR	Grant	Stock Option (Right to Buy)	5.5k	$61.79	$339.8k	02/15/2022
02/15/2022	Altair Engineering Inc.	ALTR	Grant	Class A Common Stock	1.8k	$0.00	$0	02/15/2022
01/14/2022	Altair Engineering Inc.	ALTR	Grant	Class A Common Stock	109	$54.57	$5.9k	01/14/2022
03/17/2021	Altair Engineering Inc.	ALTR	Sale	Class A Common Stock	95	$59.58	$5.7k	03/17/2021