Harris Teresa A

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
5 Nov 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	No	104.1	620	64.54 k	21,242
5 Nov 24	ALTR Altair Engineering	Class A Common Stock	Option exercise	Acquire M	No	No	0	620	0.00	21,862
5 Nov 24	ALTR Altair Engineering	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	4.52	620	2.80 k	12,020
1 Oct 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	Yes	95.12	620	58.97 k	21,242
1 Oct 24	ALTR Altair Engineering	Class A Common Stock	Option exercise	Acquire M	No	No	0	620	0.00	21,862
1 Oct 24	ALTR Altair Engineering	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	4.52	620	2.80 k	12,640
3 Sep 24	ALTR Altair Engineering	Class A Common Stock	Sell	Dispose S	No	Yes	89.7	620	55.61 k	21,242
3 Sep 24	ALTR Altair Engineering	Class A Common Stock	Option exercise	Acquire M	No	No	0	620	0.00	21,862
3 Sep 24	ALTR Altair Engineering	Stock Option Class A Common Stock	Option exercise	Dispose M	No	No	4.52	620	2.80 k	13,260
27 Aug 24	ZD Ziff Davis	Common Stock $0.01 par value	Buy	Acquire P	No	No	46.76	1,000	46.76 k	11,153

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