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 |
| 2025-03-26 Sale | 2025-03-26 4:52 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 191,689 | $113 | $21,660,857 | 0 (Indirect Direct) | View |
| 2025-03-17 Sale | 2025-03-19 11:35 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 9 | $111.3 | $1,002 | 191,689 (Indirect Direct) | View |
| 2024-12-03 Sale | 2024-12-05 09:28 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 16,095 | $105.65 | $1,700,437 | 119,143 (Indirect Direct) | View |
| 2024-11-29 Sale | 2024-12-02 4:05 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $105.69 | $1,373,975 | 17,003,030 (Indirect Direct) | View |
| 2024-10-28 Sale | 2024-10-29 2:21 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $102.59 | $1,333,696 | 17,016,030 (Indirect Direct) | View |
| 2024-09-30 Sale | 2024-10-01 10:58 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $95.1 | $1,236,337 | 17,029,030 (Indirect Direct) | View |
| 2024-08-28 Sale | 2024-08-29 1:55 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $89.04 | $1,157,478 | 17,042,030 (Indirect Direct) | View |
| 2024-07-29 Sale | 2024-07-30 3:34 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $88.11 | $1,145,415 | 17,055,030 (Indirect Direct) | View |
| 2024-06-28 Sale | 2024-07-01 5:02 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $98.26 | $1,277,415 | 17,068,030 (Indirect Direct) | View |
| 2024-06-10 Sale | 2024-06-11 3:52 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $93.16 | $1,211,139 | 17,081,030 (Indirect Direct) | View |
| 2024-05-08 Sale | 2024-05-10 08:52 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 5,569 | $84.37 | $469,877 | 135,238 (Indirect Direct) | View |
| 2024-03-18 Sale | 2024-03-19 5:34 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $80.74 | $807,424 | 17,099,599 (Indirect Direct) | View |
| 2024-03-13 Sale | 2024-03-14 4:02 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 1,779 | $81.66 | $145,272 | 99,807 (Indirect Direct) | View |
| 2024-03-04 Sale | 2024-03-05 2:34 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 3,300 | $85.32 | $281,556 | 101,586 (Indirect Direct) | View |
| 2024-02-16 Sale | 2024-02-20 08:13 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $91.07 | $910,688 | 17,073,678 (Indirect Direct) | View |
| 2024-01-16 Sale | 2024-01-18 6:01 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $83.73 | $837,312 | 17,083,678 (Indirect Direct) | View |
| 2023-12-18 Sale | 2023-12-19 7:08 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $74.12 | $741,150 | 17,093,678 (Indirect Direct) | View |
| 2023-11-16 Sale | 2023-11-17 4:22 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $72.52 | $725,218 | 17,103,678 (Indirect Direct) | View |
| 2023-10-16 Sale | 2023-10-17 3:15 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $65.23 | $652,339 | 17,113,678 (Indirect Direct) | View |
| 2023-09-18 Sale | 2023-09-19 8:04 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $65.29 | $652,900 | 17,123,678 (Indirect Direct) | View |
| 2023-08-16 Sale | 2023-08-17 12:00 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $62.47 | $624,650 | 17,133,678 (Indirect Direct) | View |
| 2023-07-17 Sale | 2023-07-18 11:05 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $74.91 | $749,117 | 17,143,678 (Indirect Direct) | View |
| 2023-06-16 Sale | 2023-06-20 10:48 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $75.18 | $751,752 | 17,153,678 (Indirect Direct) | View |
| 2023-06-06 Sale | 2023-06-07 12:40 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 9,267 | $74.3 | $688,557 | 104,886 (Indirect Direct) | View |
| 2023-05-16 Sale | 2023-05-17 2:06 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $67.94 | $679,430 | 17,172,945 (Indirect Direct) | View |
| 2023-05-12 Sale | 2023-05-15 6:31 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 548 | $67.4 | $36,935 | 114,153 (Indirect Direct) | View |
| 2023-05-10 Sale | 2023-05-11 10:47 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 5,358 | $67.82 | $363,380 | 114,701 (Indirect Direct) | View |
| 2023-04-17 Sale | 2023-04-18 3:50 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $70.33 | $703,294 | 17,188,851 (Indirect Direct) | View |
| 2023-03-16 Sale | 2023-03-17 2:22 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 1,893 | $64.97 | $122,988 | 120,059 (Indirect Direct) | View |
| 2023-03-15 Sale | 2023-03-16 09:24 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $66.16 | $2,315,661 | 17,200,744 (Indirect Direct) | View |
| 2023-03-13 Sale | 2023-03-15 4:42 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 1,505 | $62.49 | $94,049 | 121,952 (Indirect Direct) | View |
| 2023-02-15 Sale | 2023-02-16 1:32 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $57.7 | $2,019,332 | 17,199,249 (Indirect Direct) | View |
| 2023-01-17 Sale | 2023-01-19 2:48 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $49.91 | $1,746,675 | 17,234,249 (Indirect Direct) | View |
| 2023-01-09 Sale | 2023-01-10 4:43 pm | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $48.45 | $1,695,777 | 17,269,249 (Indirect Direct) | View |
| 2022-11-15 Sale | 2022-11-17 09:41 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 77,177 | $49.86 | $3,848,021 | 85,457 (Indirect Direct) | View |
| 2022-05-12 Sale | 2022-05-13 09:36 am | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 2,520 | $49.31 | $124,254 | 162,634 (Indirect 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 |
| 2025-02-12 Option Award | 2025-02-14 10:43 am | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 72,555 | $0 | 191,698 (Direct) | View |
| 2024-11-29 Conversion | 2024-12-02 4:05 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,003,030 (Indirect) | View |
| 2024-10-28 Conversion | 2024-10-29 2:21 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,016,030 (Indirect) | View |
| 2024-09-30 Conversion | 2024-10-01 10:58 am | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,029,030 (Indirect) | View |
| 2024-08-28 Conversion | 2024-08-29 1:55 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,042,030 (Indirect) | View |
| 2024-07-29 Conversion | 2024-07-30 3:34 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,055,030 (Indirect) | View |
| 2024-06-28 Conversion | 2024-07-01 5:02 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,068,030 (Indirect) | View |
| 2024-06-10 Conversion | 2024-06-11 3:52 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 13,000 | $0 | 17,081,030 (Indirect) | View |
| 2024-03-18 Conversion | 2024-03-19 5:34 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,099,599 (Indirect) | View |
| 2024-03-15 Option Award | 2024-03-19 11:00 am | N/A 2034-03-15 | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 164,000 | $0 | 263,807 (Direct) | View |
| 2024-02-16 Conversion | 2024-02-20 08:13 am | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,073,678 (Indirect) | View |
| 2024-01-16 Conversion | 2024-01-18 6:01 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,083,678 (Indirect) | View |
| 2023-12-18 Conversion | 2023-12-19 7:08 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,093,678 (Indirect) | View |
| 2023-11-16 Conversion | 2023-11-17 4:22 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,103,678 (Indirect) | View |
| 2023-10-16 Conversion | 2023-10-17 3:15 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,113,678 (Indirect) | View |
| 2023-09-18 Conversion | 2023-09-19 8:04 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,123,678 (Indirect) | View |
| 2023-08-16 Conversion | 2023-08-17 12:00 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,133,678 (Indirect) | View |
| 2023-07-17 Conversion | 2023-07-18 11:05 am | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,143,678 (Indirect) | View |
| 2023-06-16 Conversion | 2023-06-20 10:48 am | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,153,678 (Indirect) | View |
| 2023-05-16 Conversion | 2023-05-17 2:06 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,172,945 (Indirect) | View |
| 2023-04-17 Conversion | 2023-04-18 3:50 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 10,000 | $0 | 17,188,851 (Indirect) | View |
| 2023-03-15 Conversion | 2023-03-16 09:24 am | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $0 | 17,200,744 (Indirect) | View |
| 2023-03-02 Option Award | 2023-03-08 5:19 pm | N/A 2033-03-02 | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 152,000 | $0 | 237,457 (Direct) | View |
| 2023-02-15 Conversion | 2023-02-16 1:32 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $0 | 17,199,249 (Indirect) | View |
| 2023-01-17 Conversion | 2023-01-19 2:48 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $0 | 17,234,249 (Indirect) | View |
| 2023-01-09 Conversion | 2023-01-10 4:43 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 35,000 | $0 | 17,269,249 (Indirect) | View |
| 2022-05-11 Option Award | 2022-05-12 12:52 pm | N/A N/A | Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner | 4,390 | $0 | 165,154 (Direct) | View |