Gayle Brian (CIK 1851363) reported 6 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-03-26). Recent activity: Sell ALTR (18,008 shares), Sell ALTR (182 shares), Sell ALTR (184 shares), Sell ALTR (137 shares), Buy ALTR (1,798 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-03-26 | Altair Engineering Inc. (ALTR) | Chief Accounting Officer | Sell | 18,008 | $2.0M |
| 2025-03-19 | Altair Engineering Inc. (ALTR) | Chief Accounting Officer | Sell | 182 | $20,257 |
| 2025-03-05 | Altair Engineering Inc. (ALTR) | Chief Accounting Officer | Sell | 184 | $20,507 |
| 2025-02-27 | Altair Engineering Inc. (ALTR) | Chief Accounting Officer | Sell | 137 | $15,280 |
| 2025-02-14 | Altair Engineering Inc. (ALTR) | Chief Accounting Officer | Buy | 1,798 | $0 |
| 2025-01-16 | Altair Engineering Inc. (ALTR) | Chief Accounting Officer | Buy | 73 | $6,017 |
Source: SEC Form 4 filings · as of 2025-03-26