Insider NameBuy/SellCompany NameTickerAmountShares Change
Nov 29, 2024Dec 02, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$105.69$686,988-0
Oct 28, 2024Oct 29, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$102.59$666,847-0
Sep 30, 2024Oct 01, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$95.1$618,169-0
Aug 28, 2024Aug 29, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$89.04$578,739-0
Jul 29, 2024Jul 30, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$88.11$572,707-0
Jun 28, 2024Jul 01, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$98.26$638,707-0
Jun 10, 2024Jun 11, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$93.16$605,569-0
Mar 18, 2024Mar 19, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$80.74$403,712-0
Feb 16, 2024Feb 20, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$91.07$455,344-0
Jan 16, 2024Jan 18, 2024James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$83.73$418,656-0
Dec 18, 2023Dec 20, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$74.12$370,575-0
Nov 16, 2023Nov 17, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$72.52$362,609-0
Oct 16, 2023Oct 17, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$65.23$326,169-0
Sep 18, 2023Sep 20, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$65.29$326,450-0
Aug 16, 2023Aug 17, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$62.47$312,325-0
Jul 17, 2023Jul 18, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$74.91$374,558-0
Jun 16, 2023Jun 20, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$75.18$375,876-0
May 16, 2023May 17, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$67.94$339,715-0
Apr 17, 2023Apr 18, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$70.33$351,647-0
Mar 15, 2023Mar 16, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$66.16$1M-0
Feb 15, 2023Feb 16, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$57.7$1M-0
Jan 17, 2023Jan 19, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$49.91$998,100-0
Jan 09, 2023Jan 10, 2023James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$48.45$969,015-0
Dec 15, 2021Dec 17, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$71.34$2M-0
Nov 17, 2021Nov 19, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$78.27$772,300-0
Nov 15, 2021Nov 17, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$78.45$1M-0
Oct 19, 2021Oct 21, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$74.11$886,028-0
Oct 15, 2021Oct 19, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$73.57$2M-0
Sep 17, 2021Sep 20, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$74.66$2M-0
Sep 15, 2021Sep 17, 2021James R. Scapa Declaration of Trust
10%
SellAltair Engineering Inc.ALTR$75.25$1M-0
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