Harris Teresa A - 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, Harris Teresa A's relationship to Altair Engineering Inc. (ALTR) is Director, 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.
Harris Teresa A - Insider Non-Derivative Transactions of ALTR Class A Common Stock
Harris Teresa A - 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) | 18092 | 113 | 0 |
| Mar 7, 2025 | Sell -- (Class A Common Stock) | 450 | 111.08 | 18092 |
| Feb 26, 2025 | Sell -- (Class A Common Stock) | 2700 | 111.61 | 18542 |
| Nov 6, 2024 | Sell -- (Class A Common Stock) | 620 | 104.1 | 21242 |
| Nov 6, 2024 | M -- (Class A Common Stock) | 620 | 0 | 21862 |
| Oct 2, 2024 | Sell -- (Class A Common Stock) | 620 | 95.12 | 21242 |
| Oct 2, 2024 | M -- (Class A Common Stock) | 620 | 0 | 21862 |
| Sep 4, 2024 | Sell -- (Class A Common Stock) | 620 | 89.7 | 21242 |
| Sep 4, 2024 | M -- (Class A Common Stock) | 620 | 0 | 21862 |
| Aug 7, 2024 | Sell -- (Class A Common Stock) | 620 | 82.57 | 21242 |
| Aug 7, 2024 | M -- (Class A Common Stock) | 620 | 0 | 21862 |
| Jul 10, 2024 | Sell -- (Class A Common Stock) | 620 | 97.73 | 21242 |
| Jul 10, 2024 | M -- (Class A Common Stock) | 620 | 0 | 21862 |
| Jun 5, 2024 | Sell -- (Class A Common Stock) | 620 | 85.95 | 21242 |
| Jun 5, 2024 | M -- (Class A Common Stock) | 620 | 0 | 21862 |
| May 9, 2024 | Acquisition -- (Class A Common Stock) | 2347 | 0 | 21242 |
| May 8, 2024 | Sell -- (Class A Common Stock) | 620 | 82.89 | 18895 |
| May 8, 2024 | M -- (Class A Common Stock) | 620 | 0 | 19515 |
| Apr 3, 2024 | Sell -- (Class A Common Stock) | 620 | 84 | 18895 |
| Apr 3, 2024 | M -- (Class A Common Stock) | 620 | 0 | 19515 |
| Mar 6, 2024 | Sell -- (Class A Common Stock) | 620 | 85.01 | 18895 |
| Mar 6, 2024 | M -- (Class A Common Stock) | 620 | 0 | 19515 |
| Dec 7, 2023 | Sell -- (Class A Common Stock) | 600 | 71.65 | 18895 |
| Dec 7, 2023 | M -- (Class A Common Stock) | 600 | 0 | 19495 |
| Nov 15, 2023 | Sell -- (Class A Common Stock) | 1800 | 73.16 | 18895 |
| Nov 15, 2023 | M -- (Class A Common Stock) | 1800 | 0 | 20695 |
| May 10, 2023 | Acquisition -- (Class A Common Stock) | 2974 | 0 | 18895 |
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