| Company | Role | Class | Num Shares | Value | Price $ | Report Date | Ownership |
|---|---|---|---|---|---|---|---|
| Altair Engineering Inc. | Chief Operating Officer | Stock Option (Right to Buy) | 16,032 | $715,508 | $44.63 | 16 Dec 2024 | Direct |
| Altair Engineering Inc. | Chief Operating Officer | Class A Common Stock | 0 | $0 | $113.00 | 26 Mar 2025 | By husband |
| Altair Engineering Inc. | Chief Operating Officer | Class A Common Stock | 0 | $0 | $113.00 | 26 Mar 2025 | Direct |
| Altair Engineering Inc. | Chief Operating Officer | Class A Common Stock Option | 0 | $0 | $47.81 | 26 Mar 2025 | By husband |
| Altair Engineering Inc. | Chief Operating Officer | Class A Common Stock Option | 0 | $0 | $33.97 | 26 Mar 2025 | Direct |
| Symbol | Company | Period | Transactions | Value $ | Form Type | Role | Filing Time |
|---|---|---|---|---|---|---|---|
| ALTR | Altair Engineering Inc. | 26 Mar 2025 | 17 | -$12,369,700 | 4 | Chief Operating Officer | 26 Mar 2025, 16:42 |
| ALTR | Altair Engineering Inc. | 17 Mar 2025 | 1 | -$5,231 | 4 | Chief Operating Officer | 19 Mar 2025, 10:48 |
| ALTR | Altair Engineering Inc. | 12 Feb 2025 | 2 | -$6,910 | 4 | Chief Operating Officer | 05 Mar 2025, 12:01 |
| ALTR | Altair Engineering Inc. | 12 Feb 2025 | 1 | $0 | 4 | Chief Operating Officer | 14 Feb 2025, 12:34 |
| ALTR | Altair Engineering Inc. | 14 Jan 2025 | 1 | +$6,017 | 4 | Chief Operating Officer | 16 Jan 2025, 09:21 |
| ALTR | Altair Engineering Inc. | 12 Jul 2024 | 1 | +$5,949 | 4 | Chief Operating Officer | 16 Jul 2024, 13:54 |
| ALTR | Altair Engineering Inc. | 15 Mar 2024 | 3 | $0 | 4 | Chief Operating Officer | 19 Mar 2024, 11:49 |
| ALTR | Altair Engineering Inc. | 04 Mar 2024 | 2 | -$46,585 | 4 | Chief Operating Officer | 06 Mar 2024, 16:55 |
| ALTR | Altair Engineering Inc. | 12 Jan 2024 | 3 | +$6,008 | 4 | Chief Operating Officer | 17 Dec 2024, 16:36 |
| ALTR | Altair Engineering Inc. | 14 Jul 2023 | 2 | +$12,027 | 4 | Chief Operating Officer | 17 Jul 2023, 14:24 |
| ALTR | Altair Engineering Inc. | 16 Mar 2023 | 1 | -$2,014 | 4 | Chief Operating Officer | 17 Mar 2023, 14:13 |
| ALTR | Altair Engineering Inc. | 01 Mar 2023 | 5 | -$11,108 | 4 | Chief Operating Officer | 03 Mar 2023, 12:00 |
| ALTR | Altair Engineering Inc. | 14 Jan 2023 | 2 | +$12,016 | 4 | Chief Operating Officer | 18 Jan 2023, 11:10 |
| ALTR | Altair Engineering Inc. | 15 Dec 2022 | 1 | $0 | 4 | Chief Operating Officer | 16 Dec 2022, 12:49 |
| ALTR | Altair Engineering Inc. | 14 Jul 2022 | 1 | +$5,960 | 4 | Chief Operating Officer | 18 Jul 2022, 11:55 |
| ALTR | Altair Engineering Inc. | 14 Jul 2022 | 1 | +$5,960 | 4 | Chief Operating Officer | 18 Jul 2022, 10:04 |
| ALTR | Altair Engineering Inc. | 11 May 2022 | 2 | +$73,010 | 4 | Chief Operating Officer | 12 May 2022, 12:53 |
| ALTR | Altair Engineering Inc. | 16 Mar 2022 | 2 | -$19,654 | 4 | Chief Operating Officer | 18 Mar 2022, 11:00 |
| ALTR | Altair Engineering Inc. | 09 Nov 2021 | 5 | -$4,857 | 4 | Chief Operating Officer | 16 Mar 2022, 21:18 |