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

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
19-Mar-24 5:28 PM View:	18-Mar-24 Sale (Planned) ($403.71K)	James R. Scapa Declaration ... 10% Owner		Altair Engineering Inc. - ALTR	0% --	0	0	--	--	Show Txns Hide Txns

10-May-24 8:52 AM View:	08-May-24 Sale ($0.76K)	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

19-Mar-24 5:32 PM View:	18-Mar-24 Sale (Planned) ($403.71K)	Jrs Investments LLC 10% Owner		Altair Engineering Inc. - ALTR	0% --	0	0	--	--	Show Txns Hide Txns

09-May-24 7:49 PM View:	08-May-24 Private Sale ($7.42M)	Christ Revocable Trust 10% Owner		Altair Engineering Inc. - ALTR	100% 0 to 100.0K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:39 AM View:	08-May-24 Grant 0	Harris Teresa A Director		Altair Engineering Inc. - ALTR	12% 18.89K to 21.24K	0	0	--	--	Show Txns Hide Txns

09-May-24 7:51 PM View:	08-May-24 Private Sale Duplicate ($7.42M)	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

25-Mar-24 2:52 PM View:	23-Feb-24 Conversion 0	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

Today 10:59 AM View:	10-May-24 Private Sale ($112.82K)	Maitra Raoul Chief Legal Officer		Altair Engineering Inc. - ALTR	6% 25.78K to 27.26K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:01 AM View:	08-May-24 Private Sale ($12.91K)	Messano Amy Chief Marketing Officer		Altair Engineering Inc. - ALTR	19% 15.25K to 18.14K	0	0	--	--	Show Txns Hide Txns

10-May-24 9:05 AM View:	08-May-24 Private Sale ($12.91K)	Saravia Gilma Chief People Officer		Altair Engineering Inc. - ALTR	15% 16.38K to 18.76K	0	0	--	--	Show Txns Hide Txns

10-May-24 8:59 AM View:	08-May-24 Private Sale ($14.60K)	Gayle Brian Chief Accounting Officer		Altair Engineering Inc. - ALTR	4% 18.42K to 19.2K	0	0	--	--	Show Txns Hide Txns

19-Mar-24 11:47 AM View:	15-Mar-24 Grant 0	Brown Matthew Charles Chief Financial Officer		Altair Engineering Inc. - ALTR	6% 53.1K to 56.48K	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

19-Mar-24 11:49 AM View:	15-Mar-24 Grant 0	Buckner Stephanie Chief Operating Officer		Altair Engineering Inc. - ALTR	26% 21.23K to 26.75K	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

10-May-24 9:23 AM View:	08-May-24 Private Sale ($1.94K)	Marraccini Jeffrey See Remarks		Altair Engineering Inc. - ALTR	10% 4.24K to 4.64K	0	0	--	--	Show Txns Hide Txns

Today 11:05 AM View:	10-May-24 Private Sale ($93.43K)	Kunju Ravi Chief Product Strategy Officer		Altair Engineering Inc. - ALTR	4% 29.37K to 30.58K	0	0	--	--	Show Txns Hide Txns

10-May-24 8:55 AM View:	08-May-24 Private Sale ($12.91K)	Srikanth Mahalingam Chief Technology Officer		Altair Engineering Inc. - ALTR	18% 30.92K to 36.56K	0	0	--	--	Show Txns Hide Txns

Altair Engineering Inc. (ALTR)

Last Three Months

15-Feb-24 -- 14-May-24

Company Sentiment

Other

Other

Two Year Chart

15-May-22 -- 14-May-24

Price ($)

Sentiment

Buy & Sell Volume ($)

Recent Insider Trades

Buy:	0	--
Sell:	0	--