| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class A Common Stock | Award | $0 | +3,800 | +14% | $0.000000 | 30,529 | 15 Feb 2022 | Direct | F1, F2 |
| transaction | ALTR | Class A Common Stock | Sale | $476 | -8 | -0.03% | $59.48 | 30,521 | 15 Mar 2022 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Stock Option (Right to Buy) | Award | $0 | +11,375 | $0.000000 | 11,375 | 15 Feb 2022 | Class A Common Stock | 11,375 | $61.79 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | On February 15, 2022, the Reporting Person was granted 3,800 Class A Common Stock restricted stock units, which vest in 4 equal annual installments commencing February 15, 2023. |
| F2 | Includes 7,615 Class A Common Stock restricted stock units that are unvested. This also includes 109 shares of Class A Common Stock purchased under the Altair Engineering Inc. 2021 Employee Stock Purchase Plan in a transaction exempt under Rule 16b-3(c). |
| F3 | Includes 6,567 Class A Common Stock restricted stock units that are unvested. |
| F4 | On February 15, 2022, the Reporting Person was granted 11,375 Class A Common Stock options, the options vest in 4 equal annual installments commencing February 15, 2023. |