Maitra Raoul

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
14 Jan 25	ALTR Altair Engineering	Class A Common Stock	Grant	Acquire A	No	No	82.42	73	6.02 k	26,486
12 Jul 24	ALTR Altair Engineering	Class A Common Stock	Grant	Acquire A	No	No	71.68	83	5.95 k	26,413
14 Jun 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	No	96.31	1,030	99.20 k	26,230
10 May 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	No	85.75	1,062	91.07 k	27,260
10 May 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	No	85.66	254	21.76 k	28,322
10 May 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	No	85.75	962	82.49 k	27,360

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.