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 |
| 2024-04-09 Sale | 2024-04-11 4:44 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 12,783 | $85.85 | $1,097,379 | 862,167 (Indirect) | View |
| 2024-03-28 Sale | 2024-04-01 10:47 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 83,336 | $85.99 | $7,165,779 | 874,950 (Indirect) | View |
| 2024-03-26 Sale | 2024-03-28 2:54 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 3,904 | $85.42 | $333,490 | 958,286 (Indirect) | View |
| 2024-03-22 Sale | 2024-03-26 1:23 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 12,760 | $86.71 | $1,106,378 | 962,190 (Indirect) | View |
| 2024-01-23 Sale | 2024-01-25 3:48 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $87.32 | $8,732,124 | 10,100,732 (Indirect) | View |
| 2023-12-08 Sale | 2023-12-11 09:16 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 4,564 | $71.58 | $326,688 | 10,200,732 (Indirect) | View |
| 2023-12-06 Sale | 2023-12-08 12:00 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 14,411 | $72.05 | $1,038,366 | 10,205,296 (Indirect) | View |
| 2023-12-01 Sale | 2023-12-05 3:04 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 45,766 | $72.79 | $3,331,165 | 10,219,707 (Indirect) | View |
| 2023-11-29 Sale | 2023-12-01 2:22 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 26,682 | $73.08 | $1,949,987 | 14,975,346 (Indirect) | View |
| 2023-11-20 Sale | 2023-11-22 12:07 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 108,577 | $73.93 | $8,026,666 | 10,292,155 (Indirect) | View |
| 2023-07-19 Sale | 2023-07-20 10:24 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $74.42 | $7,442,208 | 10,400,732 (Indirect) | View |
| 2023-06-06 Sale | 2023-06-07 12:38 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $74.42 | $7,442,179 | 10,500,732 (Indirect) | View |
| 2023-04-13 Sale | 2023-04-17 08:41 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $71.23 | $7,123,397 | 15,394,736 (Indirect) | View |
| 2023-04-11 Sale | 2023-04-12 3:53 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,000 | $70.5 | $3,525,200 | 10,700,732 (Indirect) | View |
| 2023-04-06 Sale | 2023-04-10 2:02 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,000 | $70.49 | $3,524,550 | 10,750,732 (Indirect) | View |
| 2023-03-14 Sale | 2023-03-16 09:07 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,182 | $66.02 | $3,312,964 | 10,800,732 (Indirect) | View |
| 2023-03-10 Sale | 2023-03-14 2:11 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 49,818 | $64.77 | $3,226,463 | 10,850,914 (Indirect) | View |
| 2021-12-23 Sale | 2021-12-27 08:22 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 56,513 | $73.74 | $4,167,309 | 10,900,732 (Indirect) | View |
| 2021-12-16 Sale | 2021-12-17 10:02 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 800 | $72.94 | $58,349 | 10,957,245 (Indirect) | View |
| 2021-12-13 Sale | 2021-12-15 3:40 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 42,687 | $73.71 | $3,146,459 | 10,958,045 (Indirect) | View |
| 2021-11-03 Sale | 2021-11-05 10:39 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $77.95 | $7,795,261 | 16,697,504 (Indirect) | View |
| 2021-10-14 Sale | 2021-10-15 1:51 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 66,845 | $73.08 | $4,885,333 | 11,100,732 (Indirect) | View |
| 2021-10-07 Sale | 2021-10-12 08:36 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 33,155 | $72.16 | $2,392,465 | 11,167,577 (Indirect) | View |
| 2021-09-01 Sale | 2021-09-03 08:50 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $75.06 | $7,505,600 | 17,507,460 (Indirect) | View |
| 2021-08-12 Sale | 2021-08-13 1:02 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 55,486 | $71.06 | $3,942,613 | 11,300,732 (Indirect) | View |
| 2021-08-11 Sale | 2021-08-12 09:55 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 44,514 | $70.76 | $3,149,633 | 11,356,218 (Indirect) | View |
| 2021-07-23 Sale | 2021-07-26 10:32 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 35,465 | $68 | $2,411,620 | 11,400,732 (Indirect) | View |
| 2021-07-06 Sale | 2021-07-08 10:01 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 64,535 | $70.92 | $4,576,825 | 11,436,197 (Indirect) | View |
| 2021-06-08 Sale | 2021-06-09 09:30 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 35,570 | $65.98 | $2,346,944 | 11,500,732 (Indirect) | View |
| 2021-06-04 Sale | 2021-06-08 1:25 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 64,430 | $65.78 | $4,238,204 | 11,536,302 (Indirect) | View |
| 2021-05-07 Sale | 2021-05-10 09:27 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $65.47 | $6,546,547 | 11,600,732 (Indirect) | View |
| 2021-04-14 Sale | 2021-04-15 1:05 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 15,886 | $64.32 | $1,021,859 | 11,700,732 (Indirect) | View |
| 2021-04-12 Sale | 2021-04-14 4:12 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 84,114 | $63.99 | $5,382,781 | 18,534,439 (Indirect) | View |
| 2021-03-17 Sale | 2021-03-18 6:23 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $60.4 | $6,039,871 | 11,800,732 (Indirect) | View |
| 2021-02-09 Sale | 2021-02-10 3:35 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $65.73 | $6,572,864 | 11,900,732 (Indirect) | View |
| 2021-01-11 Sale | 2021-01-13 1:58 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $61.31 | $6,130,924 | 19,107,460 (Indirect) | View |
| 2020-12-04 Sale | 2020-12-08 11:11 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 36,052 | $52.96 | $1,909,170 | 12,100,732 (Indirect) | View |
| 2020-12-02 Sale | 2020-12-04 12:25 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 63,948 | $52.89 | $3,382,504 | 19,383,512 (Indirect) | 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 2:57 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 600,000 | $0 | 9,800,732 (Indirect) | View |
| 2024-01-23 Conversion | 2024-01-25 3:48 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 10,100,732 (Indirect) | View |
| 2023-12-08 Conversion | 2023-12-11 09:16 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 4,564 | $0 | 10,200,732 (Indirect) | View |
| 2023-12-06 Conversion | 2023-12-08 12:00 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 14,411 | $0 | 10,205,296 (Indirect) | View |
| 2023-12-01 Conversion | 2023-12-05 3:04 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 45,766 | $0 | 10,219,707 (Indirect) | View |
| 2023-11-29 Conversion | 2023-12-01 2:22 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 26,682 | $0 | 14,975,346 (Indirect) | View |
| 2023-11-20 Conversion | 2023-11-22 12:07 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 108,577 | $0 | 10,292,155 (Indirect) | View |
| 2023-07-19 Conversion | 2023-07-20 10:24 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 10,400,732 (Indirect) | View |
| 2023-06-06 Conversion | 2023-06-07 12:38 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 10,500,732 (Indirect) | View |
| 2023-04-13 Conversion | 2023-04-17 08:41 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 15,394,736 (Indirect) | View |
| 2023-04-11 Conversion | 2023-04-12 3:53 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,000 | $0 | 10,700,732 (Indirect) | View |
| 2023-04-06 Conversion | 2023-04-10 2:02 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,000 | $0 | 10,750,732 (Indirect) | View |
| 2023-03-14 Conversion | 2023-03-16 09:07 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,182 | $0 | 10,800,732 (Indirect) | View |
| 2023-03-10 Conversion | 2023-03-14 2:11 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 49,818 | $0 | 10,850,914 (Indirect) | View |
| 2021-12-23 Conversion | 2021-12-27 08:22 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 56,513 | $0 | 10,900,732 (Indirect) | View |
| 2021-12-16 Conversion | 2021-12-17 10:02 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 800 | $0 | 10,957,245 (Indirect) | View |
| 2021-12-13 Conversion | 2021-12-15 3:40 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 42,687 | $0 | 10,958,045 (Indirect) | View |
| 2021-11-03 Conversion | 2021-11-05 10:39 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 16,697,504 (Indirect) | View |
| 2021-10-14 Conversion | 2021-10-15 1:51 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 66,845 | $0 | 11,100,732 (Indirect) | View |
| 2021-10-07 Conversion | 2021-10-12 08:36 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 33,155 | $0 | 11,167,577 (Indirect) | View |
| 2021-09-24 Gift | 2021-09-27 2:04 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 187,475 | $0 | 11,200,732 (Indirect) | View |
| 2021-09-24 Conversion | 2021-09-27 2:04 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 374,950 | $0 | 11,200,732 (Indirect) | View |
| 2021-09-01 Conversion | 2021-09-03 08:50 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 17,507,460 (Indirect) | View |
| 2021-08-12 Conversion | 2021-08-13 1:02 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 55,486 | $0 | 11,300,732 (Indirect) | View |
| 2021-08-11 Conversion | 2021-08-12 09:55 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 44,514 | $0 | 11,356,218 (Indirect) | View |
| 2021-07-23 Conversion | 2021-07-26 10:32 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 35,465 | $0 | 11,400,732 (Indirect) | View |
| 2021-07-06 Conversion | 2021-07-08 10:01 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 64,535 | $0 | 11,436,197 (Indirect) | View |
| 2021-06-08 Conversion | 2021-06-09 09:30 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 35,570 | $0 | 11,500,732 (Indirect) | View |
| 2021-06-04 Conversion | 2021-06-08 1:25 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 64,430 | $0 | 11,536,302 (Indirect) | View |
| 2021-05-07 Conversion | 2021-05-10 09:27 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 11,600,732 (Indirect) | View |
| 2021-04-14 Conversion | 2021-04-15 1:05 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 15,886 | $0 | 11,700,732 (Indirect) | View |
| 2021-04-12 Conversion | 2021-04-14 4:12 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 84,114 | $0 | 18,534,439 (Indirect) | View |
| 2021-03-17 Conversion | 2021-03-18 6:23 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 11,800,732 (Indirect) | View |
| 2021-02-09 Conversion | 2021-02-10 3:35 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 11,900,732 (Indirect) | View |
| 2021-01-11 Conversion | 2021-01-13 1:58 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $0 | 19,107,460 (Indirect) | View |
| 2020-12-04 Conversion | 2020-12-08 11:11 am | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 36,052 | $0 | 12,100,732 (Indirect) | View |
| 2020-12-02 Conversion | 2020-12-04 12:25 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 63,948 | $0 | 19,383,512 (Indirect) | View |