Christ George J - 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, Christ George J's relationship to Altair Engineering Inc. (ALTR) is TenPercentOwner, 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.
Christ George J - Insider Non-Derivative Transactions of ALTR Class A Common Stock
Christ George J - 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) | 300000 | 113 | 0 |
| Mar 27, 2025 | Disposition -- (Class A Common Stock) | 187475 | 113 | 0 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 999 | 109.13 | 0 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 3601 | 108.29 | 999 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 69096 | 107.08 | 4600 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 14545 | 106.5 | 73696 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 1724 | 104.49 | 88241 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 7040 | 103.02 | 89965 |
| Oct 24, 2024 | Sell -- (Class A Common Stock) | 2995 | 101.92 | 97005 |
| Oct 15, 2024 | Sell -- (Class A Common Stock) | 2176 | 95.31 | 300000 |
| Oct 12, 2024 | Sell -- (Class A Common Stock) | 3715 | 96.15 | 302176 |
| Oct 12, 2024 | Sell -- (Class A Common Stock) | 94109 | 95.2 | 305891 |
| Oct 10, 2024 | Sell -- (Class A Common Stock) | 28878 | 96.22 | 100000 |
| Oct 10, 2024 | Sell -- (Class A Common Stock) | 21074 | 95.05 | 128878 |
| Sep 28, 2024 | Sell -- (Class A Common Stock) | 50048 | 95.07 | 149952 |
| Jun 28, 2024 | Sell -- (Class A Common Stock) | 25529 | 99.19 | 200000 |
| Jun 28, 2024 | Sell -- (Class A Common Stock) | 74471 | 98.13 | 225529 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 300000 | 0 | 300000 |
| Jun 18, 2024 | C -- (Class A Common Stock) | 300000 | 0 | 400000 |
| Jun 13, 2024 | Sell -- (Class A Common Stock) | 23616 | 97.59 | 100000 |
| Jun 13, 2024 | Sell -- (Class A Common Stock) | 76384 | 97.12 | 123616 |
| Jun 12, 2024 | Sell -- (Class A Common Stock) | 51304 | 92.77 | 0 |
| Jun 12, 2024 | Sell -- (Class A Common Stock) | 48696 | 92.19 | 51304 |
| May 22, 2024 | Sell -- (Class A Common Stock) | 1296 | 90.86 | 200000 |
| May 21, 2024 | Sell -- (Class A Common Stock) | 15658 | 92.2 | 201296 |
| May 21, 2024 | Sell -- (Class A Common Stock) | 33046 | 91.49 | 216954 |
| May 18, 2024 | Sell -- (Class A Common Stock) | 2200 | 91.16 | 250000 |
| May 18, 2024 | Sell -- (Class A Common Stock) | 47800 | 90.32 | 252200 |
| May 9, 2024 | Sell -- (Class A Common Stock) | 1220 | 85.71 | 100000 |
| May 9, 2024 | Sell -- (Class A Common Stock) | 85997 | 85.11 | 101220 |
| Apr 10, 2024 | Sell -- (Class A Common Stock) | 638 | 86.57 | 187217 |
| Apr 10, 2024 | Sell -- (Class A Common Stock) | 12145 | 85.81 | 187855 |
| Mar 29, 2024 | Sell -- (Class A Common Stock) | 83336 | 85.99 | 200000 |
| Mar 27, 2024 | Sell -- (Class A Common Stock) | 3904 | 85.42 | 283336 |
| Mar 23, 2024 | Sell -- (Class A Common Stock) | 6757 | 87.04 | 287240 |
| Mar 23, 2024 | Sell -- (Class A Common Stock) | 6003 | 86.34 | 293997 |
| Feb 24, 2024 | C -- (Class A Common Stock) | 300000 | 0 | 300000 |
| Jan 24, 2024 | Sell -- (Class A Common Stock) | 474 | 88.23 | 0 |
| Jan 24, 2024 | Sell -- (Class A Common Stock) | 99526 | 87.32 | 474 |
| Jan 24, 2024 | C -- (Class A Common Stock) | 100000 | 0 | 100000 |
| Dec 9, 2023 | Sell -- (Class A Common Stock) | 4564 | 71.58 | 0 |
| Dec 9, 2023 | C -- (Class A Common Stock) | 4564 | 0 | 4564 |
| Dec 7, 2023 | Sell -- (Class A Common Stock) | 900 | 72.84 | 0 |
| Dec 7, 2023 | Sell -- (Class A Common Stock) | 13511 | 72 | 900 |
| Dec 7, 2023 | C -- (Class A Common Stock) | 14411 | 0 | 14411 |
| Dec 2, 2023 | Sell -- (Class A Common Stock) | 45766 | 72.79 | 0 |
| Dec 2, 2023 | C -- (Class A Common Stock) | 45766 | 0 | 45766 |
| Dec 1, 2023 | Sell -- (Class A Common Stock) | 1128 | 72.65 | 0 |
| Dec 1, 2023 | C -- (Class A Common Stock) | 1128 | 0 | 1128 |
| Nov 30, 2023 | Sell -- (Class A Common Stock) | 100 | 73.84 | 0 |
| Nov 30, 2023 | Sell -- (Class A Common Stock) | 25454 | 73.1 | 100 |
| Nov 30, 2023 | C -- (Class A Common Stock) | 25554 | 0 | 25554 |
| Nov 22, 2023 | Sell -- (Class A Common Stock) | 633 | 73.73 | 0 |
| Nov 22, 2023 | Sell -- (Class A Common Stock) | 7944 | 73.04 | 633 |
| Nov 22, 2023 | C -- (Class A Common Stock) | 8577 | 0 | 8577 |
| Nov 21, 2023 | Sell -- (Class A Common Stock) | 33410 | 74.17 | 0 |
| Nov 21, 2023 | Sell -- (Class A Common Stock) | 66590 | 73.91 | 33410 |
| Nov 21, 2023 | C -- (Class A Common Stock) | 100000 | 0 | 100000 |
| Jul 20, 2023 | Sell -- (Class A Common Stock) | 30661 | 74.97 | 0 |
| Jul 20, 2023 | Sell -- (Class A Common Stock) | 69339 | 74.18 | 30661 |
| Jul 20, 2023 | C -- (Class A Common Stock) | 100000 | 0 | 100000 |
| Jun 7, 2023 | Sell -- (Class A Common Stock) | 146 | 74.97 | 0 |
| Jun 7, 2023 | Sell -- (Class A Common Stock) | 99854 | 74.42 | 146 |
| Jun 7, 2023 | C -- (Class A Common Stock) | 100000 | 0 | 100000 |
| Apr 15, 2023 | Sell -- (Class A Common Stock) | 9167 | 71.78 | 0 |
| Apr 15, 2023 | Sell -- (Class A Common Stock) | 40833 | 70.98 | 9167 |
| Apr 15, 2023 | C -- (Class A Common Stock) | 50000 | 0 | 50000 |
| Apr 14, 2023 | Sell -- (Class A Common Stock) | 50000 | 71.34 | 0 |
| Apr 14, 2023 | C -- (Class A Common Stock) | 50000 | 0 | 50000 |
| Apr 12, 2023 | Sell -- (Class A Common Stock) | 50000 | 70.5 | 0 |
| Apr 12, 2023 | C -- (Class A Common Stock) | 50000 | 0 | 50000 |
| Apr 7, 2023 | Sell -- (Class A Common Stock) | 50000 | 70.49 | 0 |
| Apr 7, 2023 | C -- (Class A Common Stock) | 50000 | 0 | 50000 |
| Mar 15, 2023 | Sell -- (Class A Common Stock) | 15430 | 66.37 | 0 |
| Mar 15, 2023 | Sell -- (Class A Common Stock) | 34752 | 65.86 | 15430 |
| Mar 15, 2023 | C -- (Class A Common Stock) | 50182 | 0 | 50182 |
| Mar 11, 2023 | Sell -- (Class A Common Stock) | 49818 | 64.77 | 0 |
| Mar 11, 2023 | C -- (Class A Common Stock) | 49818 | 0 | 49818 |
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