Buckner Stephanie - 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, Buckner Stephanie's relationship to Altair Engineering Inc. (ALTR) is Officer (Chief Operating 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.
Buckner Stephanie - Insider Non-Derivative Transactions of ALTR Class A Common Stock
Buckner Stephanie - 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) | 7588 | 113 | 0 |
| Mar 27, 2025 | Disposition -- (Class A Common Stock) | 31352 | 113 | 0 |
| Mar 18, 2025 | Sell -- (Class A Common Stock) | 47 | 111.3 | 7588 |
| Mar 4, 2025 | Sell -- (Class A Common Stock) | 62 | 111.45 | 7635 |
| Feb 13, 2025 | Acquisition -- (Class A Common Stock) | 323 | 0 | 7697 |
| Feb 13, 2025 | Acquisition -- (Class A Common Stock) | 9923 | 0 | 31352 |
| Jan 15, 2025 | Acquisition -- (Class A Common Stock) | 73 | 82.42 | 7374 |
| Dec 17, 2024 | M -- (Class A Common Stock) | 1800 | 0 | 21429 |
| Jul 13, 2024 | Acquisition -- (Class A Common Stock) | 83 | 71.68 | 7207 |
| Mar 16, 2024 | Acquisition -- (Class A Common Stock) | 446 | 0 | 7124 |
| Mar 16, 2024 | Acquisition -- (Class A Common Stock) | 5625 | 0 | 19629 |
| Mar 5, 2024 | Sell -- (Class A Common Stock) | 60 | 85.32 | 6678 |
| Mar 5, 2024 | Sell -- (Class A Common Stock) | 486 | 85.32 | 14004 |
| Jan 13, 2024 | Acquisition -- (Class A Common Stock) | 94 | 63.92 | 7301 |
| Jul 15, 2023 | Acquisition -- (Class A Common Stock) | 141 | 42.65 | 6738 |
| Jul 15, 2023 | Acquisition -- (Class A Common Stock) | 141 | 42.65 | 14916 |
| Mar 17, 2023 | Sell -- (Class A Common Stock) | 31 | 64.96 | 6597 |
| Mar 3, 2023 | Acquisition -- (Class A Common Stock) | 593 | 0 | 6628 |
| Mar 3, 2023 | Acquisition -- (Class A Common Stock) | 5000 | 0 | 14774 |
| Mar 2, 2023 | Sell -- (Class A Common Stock) | 174 | 63.84 | 9774 |
| Jan 15, 2023 | Acquisition -- (Class A Common Stock) | 142 | 42.31 | 6035 |
| Jan 15, 2023 | Acquisition -- (Class A Common Stock) | 142 | 42.31 | 9948 |
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