| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | ALTR | Class A Common Stock | Sale | -$3.69K | -43 | -0.93% | $85.77 | 4.6K | May 13, 2024 | Direct | F1, F2 |
| transaction | ALTR | Class A Common Stock | Options Exercise | $0 | +12K | +261.04% | $0.00 | 16.6K | May 14, 2024 | Direct | F2 |
| transaction | ALTR | Class A Common Stock | Sale | -$1.03M | -12K | -72.3% | $85.74 | 4.6K | May 14, 2024 | Direct | F2, 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) | Options Exercise | $0 | -12K | -100% | $0.00* | 0 | May 14, 2024 | Class A Common Stock | 12K | $52.03 | Direct | F4 |
| Id | Content |
|---|---|
| F1 | Shares sold to satisfy the tax withholding obligation in connection with the vesting of Class A Common Stock restricted stock units. |
| F2 | Includes 2,825 Class A Common Stock restricted stock units that are unvested. |
| F3 | The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $85.50 to $86.075 per share, inclusive. The reporting person undertakes to provide to Altair Engineering Inc., any security holder of Altair Engineering Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth herein. |
| F4 | The options vested in 2 equal annual installments commencing December 2, 2022. This option is currently fully vested. |
Chief Information Security Officer