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 |
| 2024-10-23 Sale | 2024-10-25 2:02 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $106.57 | $10,657,488 | 674,950 (Indirect) | View |
| 2024-10-11 Sale | 2024-10-15 09:42 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $95.23 | $9,523,390 | 774,950 (Indirect) | View |
| 2024-10-09 Sale | 2024-10-10 08:05 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 49,952 | $95.72 | $4,781,646 | 874,950 (Indirect) | View |
| 2024-09-27 Sale | 2024-09-30 2:47 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,048 | $95.07 | $4,758,224 | 924,902 (Indirect) | View |
| 2024-06-27 Sale | 2024-06-28 08:05 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 100,000 | $98.4 | $9,839,631 | 974,950 (Indirect) | View |
| 2024-06-11 Sale | 2024-06-13 11:48 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 200,000 | $94.86 | $18,971,823 | 474,950 (Indirect) | View |
| 2024-05-20 Sale | 2024-05-22 1:23 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,000 | $91.7 | $4,584,767 | 674,950 (Indirect) | View |
| 2024-05-17 Sale | 2024-05-20 10:19 am | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 50,000 | $90.36 | $4,517,986 | 724,950 (Indirect) | View |
| 2024-05-08 Sale | 2024-05-09 7:51 pm | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 87,217 | $85.12 | $7,423,856 | 774,950 (Indirect) | View |
| 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 |
Stock options: Exercise, Award, Grant, Conversion
| Transaction Date | Reported DateTime | Exercisable Expiration | Company | Symnbol | Insider Relationship | Shares Traded | Conversion Price | Shares Owned | Filing |
| 2024-06-17 Conversion | 2024-06-18 4:28 pm | N/A N/A | Altair Engineering Inc. | ALTR | Christ George J 10% Owner | 600,000 | $0 | 9,300,732 (Indirect) | View |
| 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 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 |
| 2021-09-24 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 |
| 2021-09-01 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 |