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 |
2023-12-01 Sale |
2023-12-05 2:58 pm |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
45,766 | $72.79 | $3,331,165 | 4,662,979 (Direct) |
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 |
2023-11-29 Sale |
2023-12-01 2:20 pm |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
26,682 | $73.08 | $1,949,987 | 9,418,618 (Direct) |
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 |
2023-11-21 Sale |
2023-11-22 12:06 pm |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
8,577 | $73.09 | $626,929 | 4,735,427 (Direct) |
View |
2023-11-20 Sale |
2023-11-22 12:04 pm |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
100,000 | $74 | $7,399,736 | 5,181,778 (Direct) |
View |
2023-11-16 Sale |
2023-11-17 4:22 pm |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $72.52 | $725,218 | 17,103,678 (Indirect Direct) |
View |
2023-11-16 Sale |
2023-11-17 4:21 pm |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $72.52 | $362,609 | 6,692,182 (Direct) |
View |
2023-11-16 Sale |
2023-11-17 4:20 pm |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $72.52 | $362,609 | 10,306,610 (Direct) |
View |
2023-11-14 Sale |
2023-11-16 08:48 am |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
1,800 | $73.16 | $131,683 | 37,095 (Direct) |
View |
2023-11-10 Sale |
2023-11-13 12:36 pm |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
360 | $69.05 | $24,858 | 29,272 (Direct) |
View |
2023-11-08 Sale |
2023-11-09 10:24 am |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
1,600 | $68.79 | $110,061 | 25,684 (Direct) |
View |
2023-11-07 Sale |
2023-11-08 6:24 pm |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
3,711 | $67.58 | $250,786 | 9,920 (Direct) |
View |
2023-10-16 Sale |
2023-10-17 3:15 pm |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $65.23 | $652,339 | 17,113,678 (Indirect Direct) |
View |
2023-10-16 Sale |
2023-10-17 3:13 pm |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $65.23 | $326,169 | 6,697,182 (Direct) |
View |
2023-10-16 Sale |
2023-10-17 3:11 pm |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $65.23 | $326,169 | 10,311,610 (Direct) |
View |
2023-09-18 Sale |
2023-09-19 8:04 pm |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $65.29 | $652,900 | 17,123,678 (Indirect Direct) |
View |
2023-09-18 Sale |
2023-09-19 8:02 pm |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $65.29 | $326,450 | 6,702,182 (Direct) |
View |
2023-09-18 Sale |
2023-09-19 8:00 pm |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $65.29 | $326,450 | 10,316,610 (Direct) |
View |
2023-08-16 Sale |
2023-08-17 12:00 pm |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $62.47 | $624,650 | 17,133,678 (Indirect Direct) |
View |
2023-08-16 Sale |
2023-08-17 11:59 am |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $62.47 | $312,325 | 6,707,182 (Direct) |
View |
2023-08-16 Sale |
2023-08-17 11:57 am |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $62.47 | $312,325 | 10,321,610 (Direct) |
View |
2023-08-09 Sale |
2023-08-10 3:17 pm |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
360 | $61.88 | $22,277 | 15,250 (Direct) |
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 |
2023-07-19 Sale |
2023-07-20 10:23 am |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
100,000 | $74.42 | $7,442,208 | 5,281,778 (Direct) |
View |
2023-07-17 Sale |
2023-07-18 11:05 am |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $74.91 | $749,117 | 17,143,678 (Indirect Direct) |
View |
2023-07-17 Sale |
2023-07-18 11:03 am |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $74.91 | $374,558 | 6,712,182 (Direct) |
View |
2023-07-17 Sale |
2023-07-18 11:02 am |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $74.91 | $374,558 | 10,326,610 (Direct) |
View |
2023-06-16 Sale |
2023-06-20 10:48 am |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $75.18 | $751,752 | 17,153,678 (Indirect Direct) |
View |
2023-06-16 Sale |
2023-06-20 10:47 am |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $75.18 | $375,876 | 6,717,182 (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 |
2023-12-01 Conversion |
2023-12-05 2:58 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
45,766 | $0 | 4,662,979 (Direct) |
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 |
2023-11-29 Conversion |
2023-12-01 2:20 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
26,682 | $0 | 9,418,618 (Direct) |
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 |
2023-11-21 Conversion |
2023-11-22 12:06 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | GC Investments LLC 10% Owner |
8,577 | $0 | 4,735,427 (Direct) |
View |
2023-11-20 Conversion |
2023-11-22 12:04 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
100,000 | $0 | 5,181,778 (Direct) |
View |
2023-11-16 Conversion |
2023-11-17 4:22 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $0 | 17,103,678 (Indirect) |
View |
2023-11-16 Conversion |
2023-11-17 4:21 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,692,182 (Direct) |
View |
2023-11-16 Conversion |
2023-11-17 4:20 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $0 | 10,306,610 (Direct) |
View |
2023-11-14 Exercise |
2023-11-16 08:48 am |
N/A 2026-11-23 |
Altair Engineering Inc. | ALTR | Harris Teresa A Director |
1,800 | $0 | 37,095 (Direct) |
View |
2023-11-07 Exercise |
2023-11-08 6:24 pm |
N/A 2030-06-02 |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
3,711 | $0 | 9,920 (Direct) |
View |
2023-10-16 Conversion |
2023-10-17 3:15 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $0 | 17,113,678 (Indirect) |
View |
2023-10-16 Conversion |
2023-10-17 3:13 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,697,182 (Direct) |
View |
2023-10-16 Conversion |
2023-10-17 3:11 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $0 | 10,311,610 (Direct) |
View |
2023-09-18 Conversion |
2023-09-19 8:04 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $0 | 17,123,678 (Indirect) |
View |
2023-09-18 Conversion |
2023-09-19 8:02 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,702,182 (Direct) |
View |
2023-09-18 Conversion |
2023-09-19 8:00 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $0 | 10,316,610 (Direct) |
View |
2023-08-16 Conversion |
2023-08-17 12:00 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $0 | 17,133,678 (Indirect) |
View |
2023-08-16 Conversion |
2023-08-17 11:59 am |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,707,182 (Direct) |
View |
2023-08-16 Conversion |
2023-08-17 11:57 am |
N/A N/A |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $0 | 10,321,610 (Direct) |
View |
2023-08-10 Exercise |
2023-08-10 7:10 pm |
N/A 2025-12-17 |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
4,000 | $0 | 35,284 (Direct) |
View |
2023-08-10 Exercise |
2023-08-10 7:10 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
4,000 | $3.84 | 35,284 (Direct) |
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 |
2023-07-19 Conversion |
2023-07-20 10:23 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Christ Revocable Trust 10% Owner |
100,000 | $0 | 5,281,778 (Direct) |
View |
2023-07-17 Conversion |
2023-07-18 11:05 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $0 | 17,143,678 (Indirect) |
View |
2023-07-17 Conversion |
2023-07-18 11:03 am |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,712,182 (Direct) |
View |
2023-07-17 Conversion |
2023-07-18 11:02 am |
N/A N/A |
Altair Engineering Inc. | ALTR | James R. Scapa Declaration of Trust 10% Owner |
5,000 | $0 | 10,326,610 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:25 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Brown Matthew Charles Chief Financial Officer |
140 | $42.65 | 43,011 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:24 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Buckner Stephanie Chief Operating Officer |
141 | $42.65 | 21,654 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:21 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Gayle Brian Chief Accounting Officer |
140 | $42.65 | 18,325 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:20 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Kunju Ravi Chief Product Strategy Officer |
140 | $42.65 | 29,632 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:19 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Maitra Raoul Chief Legal Officer |
140 | $42.65 | 23,284 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:13 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Marraccini Jeffrey See Remarks |
140 | $42.65 | 4,142 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:10 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Messano Amy Chief Marketing Officer |
140 | $42.65 | 15,610 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:07 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Saravia Gilma Chief People Officer |
140 | $42.65 | 16,282 (Direct) |
View |
2023-07-14 Option Award |
2023-07-17 2:03 pm |
N/A N/A |
Altair Engineering Inc. | ALTR | Srikanth Mahalingam Chief Technology Officer |
140 | $42.65 | 30,822 (Direct) |
View |
2023-06-16 Conversion |
2023-06-20 10:48 am |
N/A N/A |
Altair Engineering Inc. | ALTR | Scapa James Ralph Chief Executive Officer 10% Owner |
10,000 | $0 | 17,153,678 (Indirect) |
View |
2023-06-16 Conversion |
2023-06-20 10:47 am |
N/A N/A |
Altair Engineering Inc. | ALTR | JRS Investments LLC 10% Owner |
5,000 | $0 | 6,717,182 (Direct) |
View |