Insider Trading Summary for Altair Engineering Inc. (ALTR): Year

Recent Insider Trades

Last Transaction		Last Three Months
SEC Filing	Transaction	Insider	Sentiment	Company	Holdings Change	Buy Amount	Sell Amount	Buy Price Range	Sell Price Range
01-Oct-24 10:54 AM View:	30-Sep-24 Sale (Planned) ($618.17K)	James R. Scapa Declaration ... 10% Owner		Altair Engineering Inc. - ALTR	0% --	0	0	--	--	Show Txns Hide Txns

01-Oct-24 10:58 AM View:	30-Sep-24 Sale (Planned) ($1.24M)	Scapa James Ralph Chief Executive Officer Director 10% Owner		Altair Engineering Inc. - ALTR	29% 104.89K to 135.24K	0	0	--	--	Show Txns Hide Txns

01-Oct-24 10:56 AM View:	30-Sep-24 Sale (Planned) ($618.17K)	Jrs Investments LLC 10% Owner		Altair Engineering Inc. - ALTR	0% --	0	0	--	--	Show Txns Hide Txns

10-Oct-24 8:02 AM View:	09-Oct-24 Private Sale ($4.78M)	Christ Revocable Trust 10% Owner		Altair Engineering Inc. - ALTR	100% 0 to 100.0K	0	0	--	--	Show Txns Hide Txns

01-Oct-24 6:52 PM View:	01-Oct-24 Planned Option Sale ($58.97K)	Harris Teresa A Director		Altair Engineering Inc. - ALTR	12% 18.89K to 21.24K	0	0	--	--	Show Txns Hide Txns

15-Oct-24 9:42 AM View:	14-Oct-24 Sale Duplicate ($207.40K)	Christ George J 10% Owner		Altair Engineering Inc. - ALTR	107% 374.95K to 774.95K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:38 AM View:	08-May-24 Grant 0	Earhart Stephen P Director		Altair Engineering Inc. - ALTR	4% 62.9K to 65.24K	0	0	--	--	Show Txns Hide Txns

15-Oct-24 9:41 AM View:	14-Oct-24 Sale ($207.40K)	Gc Investments LLC 10% Owner		Altair Engineering Inc. - ALTR	100% 0 to 300.0K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:06 AM View:	08-May-24 Private Sale ($24.05K)	Dias Nelson Chief Revenue Officer		Altair Engineering Inc. - ALTR	42% 34.21K to 48.44K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:32 AM View:	08-May-24 Grant 0	Boyce Mary Cunningham Director		Altair Engineering Inc. - ALTR	8% 28.89K to 31.24K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:24 PM View:	12-Jul-24 Grant $5.95K	Maitra Raoul Chief Legal Officer		Altair Engineering Inc. - ALTR	3% 25.68K to 26.41K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:21 PM View:	12-Jul-24 Grant $5.95K	Messano Amy Chief Marketing Officer		Altair Engineering Inc. - ALTR	20% 15.25K to 18.22K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:20 PM View:	12-Jul-24 Grant $5.95K	Saravia Gilma Chief People Officer		Altair Engineering Inc. - ALTR	5% 16.28K to 17.16K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:27 PM View:	12-Jul-24 Grant $5.95K	Gayle Brian Chief Accounting Officer		Altair Engineering Inc. - ALTR	(9%) 18.32K to 16.64K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:30 PM View:	12-Jul-24 Grant $5.95K	Brown Matthew Charles Chief Financial Officer		Altair Engineering Inc. - ALTR	32% 43.01K to 56.57K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:26 AM View:	08-May-24 Grant 0	Anderson James Francis Director		Altair Engineering Inc. - ALTR	18% 12.88K to 15.23K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:28 AM View:	08-May-24 Grant 0	Ayyar Shekar G Director		Altair Engineering Inc. - ALTR	26% 8.96K to 11.31K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 1:54 PM View:	12-Jul-24 Grant Duplicate $5.95K	Buckner Stephanie Chief Operating Officer		Altair Engineering Inc. - ALTR	26% 21.23K to 26.84K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:35 AM View:	08-May-24 Grant 0	Carter Sandra Ann Director		Altair Engineering Inc. - ALTR	21% 11.04K to 13.39K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:23 PM View:	12-Jul-24 Grant $5.95K	Marraccini Jeffrey See Remarks		Altair Engineering Inc. - ALTR	13% 4.14K to 4.68K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:26 PM View:	12-Jul-24 Grant $5.95K	Kunju Ravi Chief Product Strategy Officer		Altair Engineering Inc. - ALTR	5% 29.27K to 30.66K	0	0	--	--	Show Txns Hide Txns

16-Jul-24 12:18 PM View:	12-Jul-24 Grant $5.95K	Srikanth Mahalingam Chief Technology Officer		Altair Engineering Inc. - ALTR	11% 30.82K to 34.16K	0	0	--	--	Show Txns Hide Txns

Altair Engineering Inc. (ALTR)

Last Year

23-Nov-23 -- 22-Nov-24

Company Sentiment

Other

Other

Two Year Chart

23-Nov-22 -- 22-Nov-24

Price ($)

Sentiment

Buy & Sell Volume ($)

Recent Insider Trades

Buy:	0	--
Sell:	0	--