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 |