Dias Nelson - 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, Dias Nelson's relationship to Altair Engineering Inc. (ALTR) is Officer (Chief Revenue 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.
Dias Nelson - Insider Non-Derivative Transactions of ALTR Class A Common Stock
Dias Nelson - 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) | 55411 | 113 | 0 |
| Mar 18, 2025 | Sell -- (Class A Common Stock) | 1671 | 111.3 | 55411 |
| Mar 4, 2025 | Sell -- (Class A Common Stock) | 491 | 111.45 | 57082 |
| Feb 27, 2025 | Sell -- (Class A Common Stock) | 373 | 111.53 | 57573 |
| Feb 13, 2025 | Acquisition -- (Class A Common Stock) | 9509 | 0 | 57946 |
| Dec 11, 2024 | Sell -- (Class A Common Stock) | 22500 | 106.23 | 48437 |
| Dec 11, 2024 | M -- (Class A Common Stock) | 22500 | 0 | 70937 |
| May 9, 2024 | Sell -- (Class A Common Stock) | 285 | 84.38 | 48437 |
| Mar 16, 2024 | Acquisition -- (Class A Common Stock) | 15375 | 0 | 48722 |
| Mar 5, 2024 | Sell -- (Class A Common Stock) | 491 | 85.32 | 33347 |
| Feb 29, 2024 | Sell -- (Class A Common Stock) | 375 | 83.65 | 33838 |
| Jun 3, 2023 | Sell -- (Class A Common Stock) | 2356 | 74.03 | 34213 |
| Jun 3, 2023 | M -- (Class A Common Stock) | 884 | 0 | 35097 |
| Jun 3, 2023 | M -- (Class A Common Stock) | 1472 | 0 | 36569 |
| May 17, 2023 | Sell -- (Class A Common Stock) | 3636 | 67.78 | 34213 |
| May 17, 2023 | M -- (Class A Common Stock) | 1596 | 0 | 35809 |
| May 17, 2023 | M -- (Class A Common Stock) | 2040 | 0 | 37849 |
| Mar 18, 2023 | Sell -- (Class A Common Stock) | 116 | 68.11 | 34213 |
| Mar 17, 2023 | Sell -- (Class A Common Stock) | 4 | 66 | 34329 |
| Mar 17, 2023 | Sell -- (Class A Common Stock) | 418 | 64.96 | 34333 |
| Mar 16, 2023 | Sell -- (Class A Common Stock) | 1524 | 65.47 | 34751 |
| Mar 16, 2023 | M -- (Class A Common Stock) | 1524 | 0 | 36275 |
| Mar 3, 2023 | Acquisition -- (Class A Common Stock) | 5000 | 0 | 34751 |
| Mar 2, 2023 | Sell -- (Class A Common Stock) | 373 | 63.84 | 29751 |
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