| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class A Common Stock | Award | $6,014 | +141 | +0.95% | $42.65 | 14,916 | 14 Jul 2023 | Direct | F1, F2 |
| transaction | ALTR | Class A Common Stock | Award | $6,014 | +141 | +2.1% | $42.65 | 6,738 | 14 Jul 2023 | By husband | F1, 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 7,779 Class A Common Stock restricted stock units that are unvested. |
| F3 | Includes 2,567 Class A Common Stock restricted stock units that are unvested. |