| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class A Common Stock | Award | $6,017 | +73 | +1% | $82.42 | 7,374 | 14 Jan 2025 | By husband | F1, F2 |
| holding | ALTR | Class A Common Stock | 21,429 | 14 Jan 2025 | Direct | F3 |
| Id | Content |
|---|---|
| F1 | Shares purchased under the Altair Engineering Inc. 2021 Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c). |
| F2 | Includes 1,562 Class A Common Stock restricted stock units that are unvested. |
| F3 | Includes 10,898 Class A Common Stock restricted stock units that are unvested. |