Dias Nelson (CIK 1720642) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-03-26). Recent activity: Sell ALTR (55,411 shares), Sell ALTR (1,671 shares), Sell ALTR (491 shares), Sell ALTR (373 shares), Buy ALTR (9,509 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-26 | Altair Engineering Inc. (ALTR) | Chief Revenue Officer | Sell | 55,411 | $6.3M |
| 2025-03-19 | Altair Engineering Inc. (ALTR) | Chief Revenue Officer | Sell | 1,671 | $185,982 |
| 2025-03-05 | Altair Engineering Inc. (ALTR) | Chief Revenue Officer | Sell | 491 | $54,722 |
| 2025-02-27 | Altair Engineering Inc. (ALTR) | Chief Revenue Officer | Sell | 373 | $41,601 |
| 2025-02-14 | Altair Engineering Inc. (ALTR) | Chief Revenue Officer | Buy | 9,509 | $0 |
Source: SEC Form 4 filings · as of 2025-03-26