| Date | Company | Security | Transaction | Code | Indirect | 10b5-1 | $Price | #Shares | $Value | #Remaining |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 Jan 25 | ALTR Altair Engineering | Class A Common Stock | Grant | Acquire A | No | No | 82.42 | 73 | 6.02 k | 4,753 |
| 5 Nov 24 | ALTR Altair Engineering | Class A Common Stock | Sell | Dispose S | No | No | 104.1 | 1,824 | 189.88 k | 4,680 |
| 5 Nov 24 | ALTR Altair Engineering | Class A Common Stock | Option exercise | Acquire M | No | No | 0 | 438 | 0.00 | 6,504 |
| 5 Nov 24 | ALTR Altair Engineering | Class A Common Stock | Option exercise | Acquire M | No | No | 0 | 438 | 0.00 | 6,066 |
| 5 Nov 24 | ALTR Altair Engineering | Class A Common Stock | Option exercise | Acquire M | No | No | 0 | 948 | 0.00 | 5,628 |
| 5 Nov 24 | ALTR Altair Engineering | Stock Option Class A Common Stock | Option exercise | Dispose M | No | No | 50.11 | 438 | 21.95 k | 876 |
| 5 Nov 24 | ALTR Altair Engineering | Stock Option Class A Common Stock | Option exercise | Dispose M | No | No | 50.11 | 438 | 21.95 k | 0 |
| 5 Nov 24 | ALTR Altair Engineering | Stock Option Class A Common Stock | Option exercise | Dispose M | No | No | 65.19 | 948 | 61.80 k | 5,957 |
| 12 Jul 24 | ALTR Altair Engineering | Class A Common Stock | Grant | Acquire A | No | No | 71.68 | 83 | 5.95 k | 4,680 |
| 14 May 24 | ALTR Altair Engineering | Class A Common Stock | Sell | Dispose S | No | No | 85.7364 | 12,000 | 1.03 mm | 4,597 |
