Scapa James Ralph - Insider Non-Derivative Transactions at Altair Engineering Inc. (ALTR) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Mar 26, 2025, Scapa James Ralph's relationship to Altair Engineering Inc. (ALTR) is Director,Officer,TenPercentOwner (Chief Executive Officer), and currently has 0 shares of Class A Common Stock.
The chart below shows the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other ALTR insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Scapa James Ralph - Insider Non-Derivative Transactions of ALTR Class A Common Stock
Scapa James Ralph - Insider Non-Derivative Transactions at ALTR
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Mar 27, 2025 | Disposition -- (Class A Common Stock) | 1184 | 113 | 0 |
| Mar 27, 2025 | Disposition -- (Class A Common Stock) | 190505 | 113 | 0 |
| Mar 18, 2025 | Sell -- (Class A Common Stock) | 9 | 111.3 | 1184 |
| Feb 13, 2025 | Acquisition -- (Class A Common Stock) | 72555 | 0 | 190505 |
| Dec 4, 2024 | Sell -- (Class A Common Stock) | 16095 | 105.65 | 117950 |
| Nov 30, 2024 | Sell -- (Class A Common Stock) | 6500 | 105.69 | 0 |
| Nov 30, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| Oct 29, 2024 | Sell -- (Class A Common Stock) | 296 | 103.84 | 0 |
| Oct 29, 2024 | Sell -- (Class A Common Stock) | 295 | 103.84 | 0 |
| Oct 29, 2024 | Sell -- (Class A Common Stock) | 2522 | 103.19 | 295 |
| Oct 29, 2024 | Sell -- (Class A Common Stock) | 2522 | 103.19 | 296 |
| Oct 29, 2024 | Sell -- (Class A Common Stock) | 3683 | 102.08 | 2817 |
| Oct 29, 2024 | Sell -- (Class A Common Stock) | 3682 | 102.08 | 2818 |
| Oct 29, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| Oct 1, 2024 | Sell -- (Class A Common Stock) | 928 | 95.55 | 0 |
| Oct 1, 2024 | Sell -- (Class A Common Stock) | 5572 | 95.03 | 928 |
| Oct 1, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| Aug 29, 2024 | Sell -- (Class A Common Stock) | 1490 | 89.53 | 0 |
| Aug 29, 2024 | Sell -- (Class A Common Stock) | 5010 | 88.89 | 1490 |
| Aug 29, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| Jul 30, 2024 | Sell -- (Class A Common Stock) | 1484 | 88.6 | 0 |
| Jul 30, 2024 | Sell -- (Class A Common Stock) | 1483 | 88.6 | 0 |
| Jul 30, 2024 | Sell -- (Class A Common Stock) | 5017 | 87.96 | 1483 |
| Jul 30, 2024 | Sell -- (Class A Common Stock) | 5016 | 87.96 | 1484 |
| Jul 30, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| Jun 29, 2024 | Sell -- (Class A Common Stock) | 900 | 99.57 | 0 |
| Jun 29, 2024 | Sell -- (Class A Common Stock) | 1762 | 98.67 | 900 |
| Jun 29, 2024 | Sell -- (Class A Common Stock) | 1761 | 98.67 | 900 |
| Jun 29, 2024 | Sell -- (Class A Common Stock) | 3839 | 97.77 | 2661 |
| Jun 29, 2024 | Sell -- (Class A Common Stock) | 3838 | 97.77 | 2662 |
| Jun 29, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| Jun 11, 2024 | Sell -- (Class A Common Stock) | 100 | 94.19 | 0 |
| Jun 11, 2024 | Sell -- (Class A Common Stock) | 4950 | 93.28 | 100 |
| Jun 11, 2024 | Sell -- (Class A Common Stock) | 1450 | 92.71 | 5050 |
| Jun 11, 2024 | C -- (Class A Common Stock) | 6500 | 0 | 6500 |
| May 9, 2024 | Sell -- (Class A Common Stock) | 9 | 84.38 | 1193 |
| May 9, 2024 | Sell -- (Class A Common Stock) | 5560 | 84.37 | 134045 |
| Mar 19, 2024 | Sell -- (Class A Common Stock) | 4500 | 80.84 | 0 |
| Mar 19, 2024 | Sell -- (Class A Common Stock) | 500 | 79.87 | 4500 |
| Mar 19, 2024 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Mar 16, 2024 | Acquisition -- (Class A Common Stock) | 41000 | 0 | 139605 |
| Mar 14, 2024 | Sell -- (Class A Common Stock) | 93 | 81.66 | 1202 |
| Mar 14, 2024 | Sell -- (Class A Common Stock) | 1686 | 81.66 | 98605 |
| Mar 5, 2024 | Sell -- (Class A Common Stock) | 3300 | 85.32 | 100291 |
| Feb 17, 2024 | Sell -- (Class A Common Stock) | 2789 | 91.35 | 0 |
| Feb 17, 2024 | Sell -- (Class A Common Stock) | 2790 | 91.35 | 0 |
| Feb 17, 2024 | Sell -- (Class A Common Stock) | 2211 | 90.72 | 2789 |
| Feb 17, 2024 | Sell -- (Class A Common Stock) | 2210 | 90.72 | 2790 |
| Feb 17, 2024 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Jan 17, 2024 | Sell -- (Class A Common Stock) | 2905 | 83.91 | 0 |
| Jan 17, 2024 | Sell -- (Class A Common Stock) | 2904 | 83.91 | 0 |
| Jan 17, 2024 | Sell -- (Class A Common Stock) | 2096 | 83.48 | 2904 |
| Jan 17, 2024 | Sell -- (Class A Common Stock) | 2095 | 83.48 | 2905 |
| Jan 17, 2024 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Dec 19, 2023 | Sell -- (Class A Common Stock) | 67 | 74.58 | 0 |
| Dec 19, 2023 | Sell -- (Class A Common Stock) | 68 | 74.58 | 0 |
| Dec 19, 2023 | Sell -- (Class A Common Stock) | 4933 | 74.11 | 67 |
| Dec 19, 2023 | Sell -- (Class A Common Stock) | 4932 | 74.11 | 68 |
| Dec 19, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Nov 17, 2023 | Sell -- (Class A Common Stock) | 800 | 73.6 | 0 |
| Nov 17, 2023 | Sell -- (Class A Common Stock) | 3253 | 72.48 | 800 |
| Nov 17, 2023 | Sell -- (Class A Common Stock) | 947 | 71.74 | 4053 |
| Nov 17, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Oct 17, 2023 | Sell -- (Class A Common Stock) | 350 | 66.05 | 0 |
| Oct 17, 2023 | Sell -- (Class A Common Stock) | 3348 | 65.44 | 350 |
| Oct 17, 2023 | Sell -- (Class A Common Stock) | 1302 | 64.48 | 3698 |
| Oct 17, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Sep 19, 2023 | Sell -- (Class A Common Stock) | 5000 | 65.29 | 0 |
| Sep 19, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Aug 17, 2023 | Sell -- (Class A Common Stock) | 5000 | 62.47 | 0 |
| Aug 17, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Jul 18, 2023 | Sell -- (Class A Common Stock) | 2601 | 75.14 | 0 |
| Jul 18, 2023 | Sell -- (Class A Common Stock) | 2399 | 74.66 | 2601 |
| Jul 18, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Jun 17, 2023 | Sell -- (Class A Common Stock) | 1400 | 75.63 | 0 |
| Jun 17, 2023 | Sell -- (Class A Common Stock) | 3600 | 75 | 1400 |
| Jun 17, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Jun 7, 2023 | Sell -- (Class A Common Stock) | 9267 | 74.3 | 103591 |
| May 17, 2023 | Sell -- (Class A Common Stock) | 5000 | 67.94 | 0 |
| May 17, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| May 13, 2023 | Sell -- (Class A Common Stock) | 548 | 67.4 | 112858 |
| May 11, 2023 | Sell -- (Class A Common Stock) | 5358 | 67.82 | 113406 |
| Apr 18, 2023 | Sell -- (Class A Common Stock) | 291 | 71.08 | 0 |
| Apr 18, 2023 | Sell -- (Class A Common Stock) | 4709 | 70.28 | 291 |
| Apr 18, 2023 | C -- (Class A Common Stock) | 5000 | 0 | 5000 |
| Mar 17, 2023 | Sell -- (Class A Common Stock) | 109 | 64.97 | 1295 |
| Mar 17, 2023 | Sell -- (Class A Common Stock) | 1784 | 64.97 | 118764 |
| Mar 16, 2023 | Sell -- (Class A Common Stock) | 6507 | 66.49 | 0 |
| Mar 16, 2023 | Sell -- (Class A Common Stock) | 8676 | 66.49 | 0 |
| Mar 16, 2023 | Sell -- (Class A Common Stock) | 8493 | 65.91 | 6507 |
| Mar 16, 2023 | Sell -- (Class A Common Stock) | 11324 | 65.91 | 8676 |
| Mar 16, 2023 | C -- (Class A Common Stock) | 15000 | 0 | 15000 |
| Mar 16, 2023 | C -- (Class A Common Stock) | 20000 | 0 | 20000 |
| Mar 14, 2023 | Sell -- (Class A Common Stock) | 91 | 62.49 | 1404 |
| Mar 14, 2023 | Sell -- (Class A Common Stock) | 1414 | 62.49 | 120548 |
| Mar 3, 2023 | Acquisition -- (Class A Common Stock) | 38000 | 0 | 121962 |
| Feb 16, 2023 | Sell -- (Class A Common Stock) | 2547 | 58.15 | 0 |
| Feb 16, 2023 | Sell -- (Class A Common Stock) | 3396 | 58.15 | 0 |
| Feb 16, 2023 | Sell -- (Class A Common Stock) | 12453 | 57.6 | 2547 |
| Feb 16, 2023 | Sell -- (Class A Common Stock) | 16604 | 57.6 | 3396 |
| Feb 16, 2023 | C -- (Class A Common Stock) | 15000 | 0 | 15000 |
| Feb 16, 2023 | C -- (Class A Common Stock) | 20000 | 0 | 20000 |
| Jan 18, 2023 | Sell -- (Class A Common Stock) | 15000 | 49.91 | 0 |
| Jan 18, 2023 | Sell -- (Class A Common Stock) | 20000 | 49.91 | 0 |
| Jan 18, 2023 | C -- (Class A Common Stock) | 15000 | 0 | 15000 |
| Jan 18, 2023 | C -- (Class A Common Stock) | 20000 | 0 | 20000 |
| Jan 10, 2023 | Sell -- (Class A Common Stock) | 289 | 49.05 | 0 |
| Jan 10, 2023 | Sell -- (Class A Common Stock) | 217 | 49.05 | 0 |
| Jan 10, 2023 | Sell -- (Class A Common Stock) | 14783 | 48.44 | 217 |
| Jan 10, 2023 | Sell -- (Class A Common Stock) | 19711 | 48.44 | 289 |
| Jan 10, 2023 | C -- (Class A Common Stock) | 15000 | 0 | 15000 |
| Jan 10, 2023 | C -- (Class A Common Stock) | 20000 | 0 | 20000 |
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