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Trade Date*
Filing Date*
Insider Name
Buy/Sell
Company Name
Ticker
Price*
Amount
Shares Change
Mar 17, 2025
Mar 19, 2025
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$111.3
$1,002
-0.00%
Dec 03, 2024
Dec 05, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$105.65
$2M
-11.90%
Nov 29, 2024
Dec 02, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$105.69
$1M
-8.77%
Oct 28, 2024
Oct 29, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$102.59
$1M
-8.77%
Sep 30, 2024
Oct 01, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$95.1
$1M
-8.77%
Aug 28, 2024
Aug 29, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$89.04
$1M
-8.77%
Jul 29, 2024
Jul 30, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$88.11
$1M
-8.77%
Jun 28, 2024
Jul 01, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$98.26
$1M
-8.77%
Jun 10, 2024
Jun 11, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$93.16
$1M
-8.77%
May 08, 2024
May 10, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$84.37
$469,877
-3.96%
Mar 18, 2024
Mar 19, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$80.74
$807,424
-6.63%
Mar 13, 2024
Mar 14, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$81.66
$145,272
-1.75%
Mar 04, 2024
Mar 05, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$85.32
$281,556
-3.15%
Feb 16, 2024
Feb 20, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$91.07
$910,688
-8.70%
Jan 16, 2024
Jan 18, 2024
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$83.73
$837,312
-8.70%
Dec 18, 2023
Dec 20, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$74.12
$741,150
-8.70%
Nov 16, 2023
Nov 17, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$72.52
$725,218
-8.70%
Oct 16, 2023
Oct 17, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$65.23
$652,339
-8.70%
Sep 18, 2023
Sep 20, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$65.29
$652,900
-8.70%
Aug 16, 2023
Aug 17, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$62.47
$624,650
-8.70%
Jul 17, 2023
Jul 18, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$74.91
$749,117
-8.70%
Jun 16, 2023
Jun 20, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$75.18
$751,752
-8.70%
Jun 06, 2023
Jun 07, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$74.3
$688,557
-8.12%
May 16, 2023
May 17, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$67.94
$679,430
-8.05%
May 12, 2023
May 15, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$67.4
$36,935
-0.48%
May 10, 2023
May 11, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$67.82
$363,380
-4.46%
Apr 17, 2023
Apr 18, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$70.33
$703,294
-7.69%
Mar 16, 2023
Mar 17, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$64.97
$122,988
-1.55%
Mar 15, 2023
Mar 16, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$66.16
$2M
-22.30%
Mar 13, 2023
Mar 15, 2023
Scapa James Ralph
CEO
10%
Sell
Altair Engineering Inc.
ALTR
$62.49
$94,049
-1.22%