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 |
| 2024-10-28 Sale | 2024-10-29 2:11 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $102.59 | $666,847 | 10,247,610 (Direct) | View |
| 2024-09-30 Sale | 2024-10-01 10:54 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $95.1 | $618,169 | 10,254,110 (Direct) | View |
| 2024-08-28 Sale | 2024-08-29 1:50 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $89.04 | $578,739 | 10,260,610 (Direct) | View |
| 2024-07-29 Sale | 2024-07-30 3:30 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $88.11 | $572,707 | 10,267,110 (Direct) | View |
| 2024-06-28 Sale | 2024-07-01 4:51 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $98.26 | $638,707 | 10,273,610 (Direct) | View |
| 2024-06-10 Sale | 2024-06-11 3:55 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $93.16 | $605,569 | 10,280,110 (Direct) | View |
| 2024-03-18 Sale | 2024-03-19 5:28 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $80.74 | $403,712 | 10,286,610 (Direct) | View |
| 2024-02-16 Sale | 2024-02-20 08:07 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $91.07 | $455,344 | 10,291,610 (Direct) | View |
| 2024-01-16 Sale | 2024-01-18 5:55 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $83.73 | $418,656 | 10,296,610 (Direct) | View |
| 2023-12-18 Sale | 2023-12-19 7:05 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $74.11 | $370,575 | 10,301,610 (Direct) | View |
| 2023-11-16 Sale | 2023-11-17 4:20 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $72.52 | $362,609 | 10,306,610 (Direct) | View |
| 2023-10-16 Sale | 2023-10-17 3:11 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $65.23 | $326,169 | 10,311,610 (Direct) | View |
| 2023-09-18 Sale | 2023-09-19 8:00 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $65.29 | $326,450 | 10,316,610 (Direct) | View |
| 2023-08-16 Sale | 2023-08-17 11:57 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $62.47 | $312,325 | 10,321,610 (Direct) | View |
| 2023-07-17 Sale | 2023-07-18 11:02 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $74.91 | $374,558 | 10,326,610 (Direct) | View |
| 2023-06-16 Sale | 2023-06-20 10:45 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $75.18 | $375,876 | 10,331,610 (Direct) | View |
| 2023-05-16 Sale | 2023-05-17 2:03 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $67.94 | $339,715 | 10,336,610 (Direct) | View |
| 2023-04-17 Sale | 2023-04-18 3:47 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $70.33 | $351,647 | 10,341,610 (Direct) | View |
| 2023-03-15 Sale | 2023-03-16 09:18 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $66.16 | $1,323,235 | 10,346,610 (Direct) | View |
| 2023-02-15 Sale | 2023-02-16 1:29 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $57.7 | $1,153,904 | 10,366,610 (Direct) | View |
| 2023-01-17 Sale | 2023-01-19 2:45 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $49.91 | $998,100 | 10,386,610 (Direct) | View |
| 2023-01-09 Sale | 2023-01-10 4:38 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $48.45 | $969,015 | 10,406,610 (Direct) | View |
| 2021-12-15 Sale | 2021-12-17 10:57 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 23,669 | $71.34 | $1,688,647 | 10,426,610 (Direct) | View |
| 2021-11-17 Sale | 2021-11-19 1:38 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 9,867 | $78.27 | $772,300 | 10,450,279 (Direct) | View |
| 2021-11-15 Sale | 2021-11-17 11:59 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 15,850 | $78.45 | $1,243,418 | 20,928,391 (Direct) | View |
| 2021-10-19 Sale | 2021-10-21 09:48 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 11,955 | $74.11 | $886,028 | 10,475,996 (Direct) | View |
| 2021-10-15 Sale | 2021-10-19 11:00 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 28,045 | $73.57 | $2,063,166 | 20,990,499 (Direct) | View |
| 2021-09-17 Sale | 2021-09-20 10:39 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 22,151 | $74.66 | $1,653,891 | 10,515,996 (Direct) | View |
| 2021-09-15 Sale | 2021-09-17 2:13 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 17,849 | $75.25 | $1,343,065 | 21,085,325 (Direct) | View |
| 2021-08-18 Sale | 2021-08-19 10:10 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 13,907 | $70.93 | $986,382 | 10,555,996 (Direct) | View |
| 2021-08-16 Sale | 2021-08-18 10:55 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 26,093 | $71.84 | $1,874,468 | 21,147,085 (Direct) | View |
| 2021-07-19 Sale | 2021-07-20 2:32 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 11,180 | $64.98 | $726,514 | 10,595,996 (Direct) | View |
| 2021-07-15 Sale | 2021-07-19 11:32 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 28,820 | $65.6 | $1,890,698 | 21,229,346 (Direct) | View |
| 2021-06-17 Sale | 2021-06-21 08:38 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 9,940 | $62.99 | $626,110 | 10,635,996 (Direct) | View |
| 2021-06-15 Sale | 2021-06-17 1:40 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 30,060 | $64.04 | $1,925,078 | 21,310,103 (Direct) | View |
| 2021-05-19 Sale | 2021-05-20 09:36 am | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 12,980 | $61.26 | $795,170 | 10,675,996 (Direct) | View |
| 2021-05-17 Sale | 2021-05-19 5:00 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 27,020 | $64.69 | $1,747,922 | 21,395,467 (Direct) | View |
| 2021-04-15 Sale | 2021-04-16 1:27 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 40,000 | $63.07 | $2,522,617 | 10,715,996 (Direct) | View |
| 2021-03-17 Sale | 2021-03-18 6:37 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,998 | $60.25 | $421,632 | 10,755,996 (Direct) | View |
| 2021-03-15 Sale | 2021-03-17 7:16 pm | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 33,002 | $61.11 | $2,016,904 | 21,545,074 (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 |
| 2024-10-28 Conversion | 2024-10-29 2:11 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $0 | 10,247,610 (Direct) | View |
| 2024-09-30 Conversion | 2024-10-01 10:54 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $0 | 10,254,110 (Direct) | View |
| 2024-08-28 Conversion | 2024-08-29 1:50 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $0 | 10,260,610 (Direct) | View |
| 2024-07-29 Conversion | 2024-07-30 3:30 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $0 | 10,267,110 (Direct) | View |
| 2024-06-28 Conversion | 2024-07-01 4:51 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $0 | 10,273,610 (Direct) | View |
| 2024-06-10 Conversion | 2024-06-11 3:55 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,500 | $0 | 10,280,110 (Direct) | View |
| 2024-03-18 Conversion | 2024-03-19 5:28 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,286,610 (Direct) | View |
| 2024-02-16 Conversion | 2024-02-20 08:07 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,291,610 (Direct) | View |
| 2024-01-16 Conversion | 2024-01-18 5:55 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,296,610 (Direct) | View |
| 2023-12-18 Conversion | 2023-12-19 7:05 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,301,610 (Direct) | View |
| 2023-11-16 Conversion | 2023-11-17 4:20 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,306,610 (Direct) | View |
| 2023-10-16 Conversion | 2023-10-17 3:11 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,311,610 (Direct) | View |
| 2023-09-18 Conversion | 2023-09-19 8:00 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,316,610 (Direct) | View |
| 2023-08-16 Conversion | 2023-08-17 11:57 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,321,610 (Direct) | View |
| 2023-07-17 Conversion | 2023-07-18 11:02 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,326,610 (Direct) | View |
| 2023-06-16 Conversion | 2023-06-20 10:45 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,331,610 (Direct) | View |
| 2023-05-16 Conversion | 2023-05-17 2:03 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,336,610 (Direct) | View |
| 2023-04-17 Conversion | 2023-04-18 3:47 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 5,000 | $0 | 10,341,610 (Direct) | View |
| 2023-03-15 Conversion | 2023-03-16 09:18 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $0 | 10,346,610 (Direct) | View |
| 2023-02-15 Conversion | 2023-02-16 1:29 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $0 | 10,366,610 (Direct) | View |
| 2023-01-17 Conversion | 2023-01-19 2:45 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $0 | 10,386,610 (Direct) | View |
| 2023-01-09 Conversion | 2023-01-10 4:38 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 20,000 | $0 | 10,406,610 (Direct) | View |
| 2021-12-15 Conversion | 2021-12-17 10:57 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 23,669 | $0 | 10,426,610 (Direct) | View |
| 2021-11-17 Conversion | 2021-11-19 1:38 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 9,867 | $0 | 10,450,279 (Direct) | View |
| 2021-11-15 Conversion | 2021-11-17 11:59 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 15,850 | $0 | 20,928,391 (Direct) | View |
| 2021-10-19 Conversion | 2021-10-21 09:48 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 11,955 | $0 | 10,475,996 (Direct) | View |
| 2021-10-15 Conversion | 2021-10-19 11:00 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 28,045 | $0 | 20,990,499 (Direct) | View |
| 2021-09-17 Conversion | 2021-09-20 10:39 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 22,151 | $0 | 10,515,996 (Direct) | View |
| 2021-09-15 Conversion | 2021-09-17 2:13 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 17,849 | $0 | 21,085,325 (Direct) | View |
| 2021-08-18 Conversion | 2021-08-19 10:10 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 13,907 | $0 | 10,555,996 (Direct) | View |
| 2021-08-16 Conversion | 2021-08-18 10:55 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 26,093 | $0 | 21,147,085 (Direct) | View |
| 2021-07-19 Conversion | 2021-07-20 2:32 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 11,180 | $0 | 10,595,996 (Direct) | View |
| 2021-07-15 Conversion | 2021-07-19 11:32 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 28,820 | $0 | 21,229,346 (Direct) | View |
| 2021-06-17 Conversion | 2021-06-21 08:38 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 9,940 | $0 | 10,635,996 (Direct) | View |
| 2021-06-15 Conversion | 2021-06-17 1:40 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 30,060 | $0 | 21,310,103 (Direct) | View |
| 2021-05-19 Conversion | 2021-05-20 09:36 am | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 12,980 | $0 | 10,675,996 (Direct) | View |
| 2021-05-17 Conversion | 2021-05-19 5:00 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 27,020 | $0 | 21,395,467 (Direct) | View |
| 2021-04-15 Conversion | 2021-04-16 1:27 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 40,000 | $0 | 10,715,996 (Direct) | View |
| 2021-03-17 Conversion | 2021-03-18 6:37 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 6,998 | $0 | 10,755,996 (Direct) | View |
| 2021-03-15 Conversion | 2021-03-17 7:16 pm | N/A N/A | Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner | 33,002 | $0 | 21,545,074 (Direct) | View |