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 |
2024-06-27 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 |
2024-06-27 Sale |
2024-06-28 08:03 am |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
100,000 | $98.4 | $9,839,631 | 200,000 (Direct) |
View |
2024-05-10 Sale(A) |
2024-06-20 2:46 pm |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
962 | $85.75 | $82,492 | 27,360 (Direct) |
View |
2024-06-14 Sale |
2024-06-18 4:10 pm |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
1,030 | $96.31 | $99,199 | 26,230 (Direct) |
View |
2024-06-13 Sale |
2024-06-14 09:03 am |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
1,866 | $96.57 | $180,200 | 16,557 (Direct) |
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 |
2024-06-11 Sale |
2024-06-13 11:46 am |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
100,000 | $92.49 | $9,249,046 | 0 (Direct) |
View |
2024-06-12 Sale |
2024-06-13 11:43 am |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
100,000 | $97.23 | $9,722,777 | 100,000 (Direct) |
View |
2024-06-10 Sale |
2024-06-11 3:55 pm |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
6,500 | $93.16 | $605,569 | 10,280,110 (Direct) |
View |
2024-06-10 Sale |
2024-06-11 3:52 pm |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
13,000 | $93.16 | $1,211,139 | 17,081,030 (Indirect Direct) |
View |
2024-06-10 Sale |
2024-06-11 3:52 pm |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
6,500 | $93.16 | $605,569 | 6,665,682 (Direct) |
View |
2024-06-05 Sale |
2024-06-05 7:04 pm |
Altair Engineering Inc. | ALTR | Srikanth Mahalingam Chief Technology Officer |
2,479 | $89.01 | $220,645 | 34,077 (Direct) |
View |
2024-06-04 Sale |
2024-06-05 3:40 pm |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $85.95 | $53,289 | 36,362 (Direct) |
View |
2024-05-21 Sale |
2024-05-23 1:29 pm |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
19,852 | $90.51 | $1,796,781 | 25,346 (Direct) |
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 |
2024-05-20 Sale |
2024-05-22 1:21 pm |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
50,000 | $91.7 | $4,584,767 | 200,000 (Direct) |
View |
2024-05-17 Sale |
2024-05-20 1:39 pm |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
1,684 | $91.08 | $153,379 | 17,080 (Direct) |
View |
2024-05-17 Sale |
2024-05-20 1:38 pm |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
773 | $90.1 | $69,649 | 18,423 (Direct) |
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 |
2024-05-17 Sale |
2024-05-20 10:18 am |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
50,000 | $90.36 | $4,517,986 | 250,000 (Direct) |
View |
2024-05-13 Sale |
2024-05-15 12:26 pm |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
12,043 | $85.74 | $1,032,525 | 4,597 (Direct) |
View |
2024-05-10 Sale |
2024-05-14 11:05 am |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
1,095 | $85.32 | $93,426 | 30,582 (Direct) |
View |
2024-05-10 Sale |
2024-05-14 10:59 am |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
1,316 | $85.73 | $112,824 | 27,260 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 09:23 am |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
23 | $84.38 | $1,941 | 4,640 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 09:21 am |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
25 | $84.38 | $2,110 | 31,677 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 09:19 am |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
153 | $84.38 | $12,910 | 28,576 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 09:06 am |
Altair Engineering Inc. | ALTR | Dias Nelson Chief Revenue Officer |
285 | $84.38 | $24,048 | 48,437 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 09:05 am |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
153 | $84.38 | $12,910 | 18,764 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 09:01 am |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
153 | $84.38 | $12,910 | 18,141 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 08:59 am |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
173 | $84.38 | $14,597 | 19,196 (Direct) |
View |
2024-05-08 Sale |
2024-05-10 08:55 am |
Altair Engineering Inc. | ALTR | Srikanth Mahalingam Chief Technology Officer |
153 | $84.38 | $12,910 | 36,556 (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 |
2024-06-17 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 |
2024-06-17 Conversion |
2024-06-18 4:27 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
300,000 | $0 | 4,781,778 (Direct) |
View |
2024-06-17 Conversion |
2024-06-18 4:25 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
300,000 | $0 | 4,444,004 (Direct) |
View |
2024-06-10 Conversion |
2024-06-11 3:55 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
6,500 | $0 | 10,280,110 (Direct) |
View |
2024-06-10 Conversion |
2024-06-11 3:52 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
13,000 | $0 | 17,081,030 (Indirect) |
View |
2024-06-10 Conversion |
2024-06-11 3:52 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
6,500 | $0 | 6,665,682 (Direct) |
View |
2024-06-04 Exercise |
2024-06-05 3:40 pm |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
620 | $0 | 36,362 (Direct) |
View |
2024-05-21 Exercise |
2024-05-23 1:29 pm |
N/A 2030-06-02 |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
19,852 | $0 | 25,346 (Direct) |
View |
2024-05-14 Exercise |
2024-05-15 12:26 pm |
N/A 2030-12-02 |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
12,000 | $0 | 4,597 (Direct) |
View |
2024-05-08 Option Award |
2024-05-10 09:39 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
2,347 | $0 | 21,242 (Direct) |
View |
2024-05-08 Option Award |
2024-05-10 09:38 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Earhart Stephen P Director |
2,347 | $0 | 65,242 (Direct) |
View |
2024-05-08 Option Award |
2024-05-10 09:35 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Carter Sandra Ann Director |
2,347 | $0 | 13,389 (Direct) |
View |
2024-05-08 Option Award |
2024-05-10 09:32 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Boyce Mary Cunningham Director |
2,347 | $0 | 31,242 (Direct) |
View |
2024-05-08 Option Award |
2024-05-10 09:28 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Ayyar Shekar G Director |
2,347 | $0 | 11,312 (Direct) |
View |
2024-05-08 Option Award |
2024-05-10 09:26 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Anderson James Francis Director |
2,347 | $0 | 15,229 (Direct) |
View |