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 6:32 pm |
Altair Engineering Inc. | ALTR | Srikanth Mahalingam Chief Technology Officer |
49,875 | $113 | $5,635,875 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:59 pm |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
18,008 | $113 | $2,034,904 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:56 pm |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
31,112 | $113 | $3,515,656 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:53 pm |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
5,462 | $113 | $617,206 | 0 (Direct) |
View |
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 |
2025-03-26 Sale |
2025-03-26 4:50 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
18,092 | $113 | $2,044,396 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:47 pm |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
22,097 | $113 | $2,496,961 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:46 pm |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
34,388 | $113 | $3,885,844 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:45 pm |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
22,980 | $113 | $2,596,740 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:42 pm |
Altair Engineering Inc. | ALTR | Brown Matthew Charles Chief Financial Officer |
66,125 | $113 | $7,472,125 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:42 pm |
Altair Engineering Inc. | ALTR | Buckner Stephanie Chief Operating Officer |
38,940 | $113 | $4,400,220 | 0 (Indirect Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:41 pm |
Altair Engineering Inc. | ALTR | Earhart Stephen P Director |
65,242 | $113 | $7,372,346 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:41 pm |
Altair Engineering Inc. | ALTR | Carter Sandra Ann Director |
13,389 | $113 | $1,512,957 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:36 pm |
Altair Engineering Inc. | ALTR | Boyce Mary Cunningham Director |
31,242 | $113 | $3,530,346 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:35 pm |
Altair Engineering Inc. | ALTR | Ayyar Shekar G Director |
11,312 | $113 | $1,278,256 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:30 pm |
Altair Engineering Inc. | ALTR | Anderson James Francis Director |
15,229 | $113 | $1,720,877 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:29 pm |
Altair Engineering Inc. | ALTR | Christ George J 10% Owner |
674,950 | $113 | $76,269,350 | 0 (Indirect) |
View |
2025-03-26 Sale |
2025-03-26 4:25 pm |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
300,000 | $113 | $33,900,000 | 0 (Direct) |
View |
2025-03-26 Sale |
2025-03-26 4:19 pm |
Altair Engineering Inc. | ALTR | Dias Nelson Chief Revenue Officer |
55,411 | $113 | $6,261,443 | 0 (Direct) |
View |
2025-03-17 Sale |
2025-03-21 4:53 pm |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
229 | $111.3 | $25,488 | 34,388 (Direct) |
View |
2025-03-17 Sale(A) |
2025-03-19 11:39 am |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
425 | $111.3 | $47,303 | 22,097 (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 |
2025-03-17 Sale |
2025-03-19 11:33 am |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
90 | $111.3 | $10,017 | 5,462 (Direct) |
View |
2025-03-17 Sale |
2025-03-19 11:31 am |
Altair Engineering Inc. | ALTR | Dias Nelson Chief Revenue Officer |
1,671 | $111.3 | $185,982 | 55,411 (Direct) |
View |
2025-03-17 Sale |
2025-03-19 11:29 am |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
403 | $111.3 | $44,854 | 31,112 (Direct) |
View |
2025-03-17 Sale |
2025-03-19 11:26 am |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
182 | $111.3 | $20,257 | 18,008 (Direct) |
View |
2025-03-17 Sale |
2025-03-19 10:48 am |
Altair Engineering Inc. | ALTR | Buckner Stephanie Chief Operating Officer |
47 | $111.3 | $5,231 | 38,940 (Indirect Direct) |
View |
2025-03-17 Sale |
2025-03-19 10:46 am |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
416 | $111.3 | $46,301 | 22,980 (Direct) |
View |
2025-03-18 Sale |
2025-03-19 10:44 am |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
425 | $111.3 | $47,303 | 22,097 (Direct) |
View |
2025-03-06 Sale |
2025-03-06 5:46 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
450 | $111.08 | $49,984 | 18,092 (Direct) |
View |
2025-03-03 Sale |
2025-03-05 12:14 pm |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
255 | $111.45 | $28,420 | 23,396 (Direct) |
View |
2025-03-03 Sale |
2025-03-05 12:09 pm |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
197 | $111.45 | $21,956 | 5,552 (Direct) |
View |
2025-03-03 Sale |
2025-03-05 12:07 pm |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
184 | $111.45 | $20,507 | 18,190 (Direct) |
View |
2025-03-03 Sale |
2025-03-05 12:06 pm |
Altair Engineering Inc. | ALTR | Dias Nelson Chief Revenue Officer |
491 | $111.45 | $54,722 | 57,082 (Direct) |
View |
2025-03-03 Sale |
2025-03-05 12:05 pm |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
240 | $111.45 | $26,748 | 31,515 (Direct) |
View |
2025-03-03 Sale |
2025-03-05 12:04 pm |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
121 | $111.45 | $13,485 | 34,617 (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 |
2025-03-06 Gift |
2025-03-06 5:47 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Brown Matthew Charles Chief Financial Officer |
2,527 | $0 | 66,125 (Direct) |
View |