Real time insider trading transaction history:
- Insiders are prohibited from making short-swing profits by trading their shares within 6 months of the registration or acquiring the shares.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
Common stock purchase or sale:
| Transaction Date | Reported DateTime | Company | Symbol | Insider Relationship | Shares Traded | Average Price | Total Amount | Shares Owned | Filing |
| 2023-12-08 Sale | 2023-12-11 09:10 am | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 4,564 | $71.58 | $326,688 | 4,644,004 (Direct) | View |
| 2023-12-06 Sale | 2023-12-08 11:55 am | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 14,411 | $72.05 | $1,038,366 | 4,648,568 (Direct) | View |
| 2023-12-01 Sale | 2023-12-05 2:58 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 45,766 | $72.79 | $3,331,165 | 4,662,979 (Direct) | View |
| 2023-11-29 Sale | 2023-12-01 2:20 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 26,682 | $73.08 | $1,949,987 | 9,418,618 (Direct) | View |
| 2023-11-21 Sale | 2023-11-22 12:06 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 8,577 | $73.09 | $626,929 | 4,735,427 (Direct) | View |
| 2023-04-13 Sale | 2023-04-17 08:40 am | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 100,000 | $71.23 | $7,123,397 | 9,538,008 (Direct) | View |
| 2023-03-14 Sale | 2023-03-16 09:04 am | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 50,182 | $66.02 | $3,312,964 | 4,844,004 (Direct) | View |
| 2023-03-10 Sale | 2023-03-14 2:10 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 49,818 | $64.77 | $3,226,463 | 4,894,186 (Direct) | View |
| 2019-08-01 Sale | 2019-08-05 8:09 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 40,000 | $40.59 | $1,623,680 | 9,920,773 (Direct) | View |
| 2019-07-12 Sale | 2019-07-16 4:59 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 6,989 | $41.44 | $289,617 | 4,984,004 (Direct) | View |
| 2019-07-11 Sale | 2019-07-15 2:31 pm | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 12,935 | $42.22 | $546,051 | 4,990,993 (Direct) | View |
| 2019-07-10 Sale | 2019-07-12 08:21 am | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 20,076 | $42.21 | $847,368 | 5,003,928 (Direct) | View |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-02-23 Conversion | 2024-03-25 2:52 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 300,000 | $0 | 4,644,004 (Direct) | View |
| 2023-12-08 Conversion | 2023-12-11 09:10 am | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 4,564 | $0 | 4,644,004 (Direct) | View |
| 2023-12-06 Conversion | 2023-12-08 11:55 am | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 14,411 | $0 | 4,648,568 (Direct) | View |
| 2023-12-01 Conversion | 2023-12-05 2:58 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 45,766 | $0 | 4,662,979 (Direct) | View |
| 2023-11-29 Conversion | 2023-12-01 2:20 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 26,682 | $0 | 9,418,618 (Direct) | View |
| 2023-11-21 Conversion | 2023-11-22 12:06 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 8,577 | $0 | 4,735,427 (Direct) | View |
| 2023-04-13 Conversion | 2023-04-17 08:40 am | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 100,000 | $0 | 9,538,008 (Direct) | View |
| 2023-03-14 Conversion | 2023-03-16 09:04 am | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 50,182 | $0 | 4,844,004 (Direct) | View |
| 2023-03-10 Conversion | 2023-03-14 2:10 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 49,818 | $0 | 4,894,186 (Direct) | View |
| 2019-08-01 Conversion | 2019-08-05 8:09 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 40,000 | $0 | 9,920,773 (Direct) | View |
| 2019-07-12 Conversion | 2019-07-16 4:59 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 6,989 | $0 | 4,984,004 (Direct) | View |
| 2019-07-11 Conversion | 2019-07-15 2:31 pm | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 12,935 | $0 | 4,990,993 (Direct) | View |
| 2019-07-10 Conversion | 2019-07-12 08:21 am | N/A N/A | Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner | 20,076 | $0 | 5,003,928 (Direct) | View |