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 |
2024-05-08 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 |
2024-05-08 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 |
2024-05-08 Sale |
2024-05-09 7:49 pm |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
87,217 | $85.12 | $7,423,856 | 100,000 (Direct) |
View |
2024-05-07 Sale |
2024-05-08 11:26 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $82.89 | $51,392 | 34,635 (Direct) |
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 |
2024-04-09 Sale |
2024-04-11 4:38 pm |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
12,783 | $85.85 | $1,097,379 | 187,217 (Direct) |
View |
2024-04-02 Sale |
2024-04-03 10:17 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $84 | $52,080 | 35,255 (Direct) |
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 |
2024-03-28 Sale |
2024-04-01 10:41 am |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
83,336 | $85.99 | $7,165,779 | 200,000 (Direct) |
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 |
2024-03-26 Sale |
2024-03-28 2:49 pm |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
3,904 | $85.42 | $333,490 | 283,336 (Direct) |
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 |
2024-03-22 Sale |
2024-03-26 1:17 pm |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
12,760 | $86.71 | $1,106,378 | 287,240 (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 |
2024-03-18 Sale |
2024-03-19 5:32 pm |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $80.74 | $403,712 | 6,672,182 (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 |
2024-03-13 Sale |
2024-03-14 4:03 pm |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
112 | $81.66 | $9,145 | 14,611 (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 |
2024-03-13 Sale |
2024-03-14 4:00 pm |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
105 | $81.66 | $8,574 | 3,934 (Direct) |
View |
2024-03-13 Sale |
2024-03-14 3:58 pm |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
75 | $81.66 | $6,125 | 25,229 (Direct) |
View |
2024-03-13 Sale |
2024-03-14 3:52 pm |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
76 | $81.65 | $6,206 | 29,035 (Direct) |
View |
2024-03-06 Sale |
2024-03-07 12:09 pm |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
5,778 | $83.04 | $479,807 | 4,039 (Direct) |
View |
2024-03-04 Sale |
2024-03-06 4:55 pm |
Altair Engineering Inc. | ALTR | Buckner Stephanie Chief Operating Officer |
546 | $85.32 | $46,585 | 20,682 (Indirect Direct) |
View |
2024-03-05 Sale |
2024-03-06 4:39 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $85.01 | $52,706 | 35,875 (Direct) |
View |
2024-03-04 Sale |
2024-03-05 2:42 pm |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
134 | $85.32 | $11,433 | 29,111 (Direct) |
View |
2024-03-04 Sale |
2024-03-05 2:41 pm |
Altair Engineering Inc. | ALTR | Brown Matthew Charles Chief Financial Officer |
883 | $85.32 | $75,338 | 47,859 (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 |
2024-05-07 Exercise |
2024-05-08 11:26 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 34,635 (Direct) |
View |
2024-04-02 Exercise |
2024-04-03 10:17 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 35,255 (Direct) |
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 |
2024-02-23 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 |
2024-02-23 Conversion |
2024-03-25 2:50 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
300,000 | $0 | 5,081,778 (Direct) |
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 |
2024-03-18 Conversion |
2024-03-19 5:32 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,672,182 (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 |
2024-03-15 Option Award |
2024-03-19 11:58 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
13,329 | $0 | 28,438 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 11:56 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
12,891 | $0 | 27,502 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 11:54 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
12,250 | $0 | 37,479 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 11:53 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Srikanth Mahalingam Chief Technology Officer |
21,875 | $0 | 52,334 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 11:50 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
9,334 | $0 | 38,369 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 11:49 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Buckner Stephanie Chief Operating Officer |
20,134 | $0 | 40,816 (Direct) |
View |
2024-03-15 Option Award |
2024-03-19 11:47 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Brown Matthew Charles Chief Financial Officer |
30,188 | $0 | 78,047 (Direct) |
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 |
2024-03-15 Option Award |
2024-03-19 10:57 am |
N/A 2034-03-15 |
Altair Engineering Inc. | ALTR | Dias Nelson Chief Revenue Officer |
28,813 | $0 | 62,160 (Direct) |
View |
2024-03-17 Option Award |
2024-03-19 10:51 am |
N/A 2034-03-17 |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
2,551 | $0 | 6,485 (Direct) |
View |
2024-03-17 Option Award |
2024-03-19 10:48 am |
N/A 2034-03-17 |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
4,484 | $0 | 22,572 (Direct) |
View |
2024-03-06 Exercise |
2024-03-07 12:09 pm |
N/A 2030-06-02 |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
5,778 | $0 | 4,039 (Direct) |
View |
2024-03-05 Exercise |
2024-03-06 4:39 pm |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 35,875 (Direct) |
View |