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.
"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 |
2021-06-04 Sale | 2021-06-08 1:12 pm | Altair Engineering Inc. | ALTR | Kowal Jan Director | 4,000 | $66.7 | $266,784 | 9,000 (Direct) | View |
2019-03-11 Sale(A) | 2021-04-07 09:50 am | Altair Engineering Inc. | ALTR | Kowal Jan Director | 8,000 | $37.62 | $300,960 | 15,000 (Direct) | View |
2019-03-12 Sale | 2019-03-14 4:06 pm | Altair Engineering Inc. | ALTR | Kowal Jan Director | 8,000 | $37.62 | $300,960 | 15,000 (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 |
2021-06-04 Exercise | 2021-06-08 1:12 pm | N/A N/A | Altair Engineering Inc. | ALTR | Kowal Jan Director | 4,000 | $5.18 | 9,000 (Direct) | View |
2021-06-04 Exercise | 2021-06-08 1:12 pm | N/A 2027-06-09 | Altair Engineering Inc. | ALTR | Kowal Jan Director | 4,000 | $0 | 9,000 (Direct) | View |
2019-03-11(A) Exercise | 2021-04-07 09:50 am | 2015-12-15 2024-12-15 | Altair Engineering Inc. | ALTR | Kowal Jan Director | 20,000 | $0 | 15,000 (Direct) | View |
2019-03-11(A) Exercise | 2021-04-07 09:50 am | N/A N/A | Altair Engineering Inc. | ALTR | Kowal Jan Director | 20,000 | $3.79 | 15,000 (Direct) | View |
2020-05-28 Option Award | 2020-06-01 6:32 pm | N/A N/A | Altair Engineering Inc. | ALTR | Kowal Jan Director | 3,000 | $0 | 9,000 (Direct) | View |
2019-05-14 Option Award | 2019-05-16 1:51 pm | N/A N/A | Altair Engineering Inc. | ALTR | Kowal Jan Director | 3,000 | $0 | 6,000 (Direct) | View |
2019-03-12 Exercise | 2019-03-14 4:06 pm | 2015-12-15 2024-12-15 | Altair Engineering Inc. | ALTR | Kowal Jan Director | 8,000 | $0 | 15,000 (Direct) | View |
2019-03-12 Exercise | 2019-03-14 4:06 pm | N/A N/A | Altair Engineering Inc. | ALTR | Kowal Jan Director | 8,000 | $3.79 | 15,000 (Direct) | View |
2018-06-14 Option Award | 2018-06-18 4:05 pm | N/A N/A | Altair Engineering Inc. | ALTR | Kowal Jan Director | 3,000 | $0 | 3,000 (Direct) | View |
2017-10-31 Ownership | 2017-10-31 5:31 pm | N/A 2024-12-15 | Altair Engineering Inc. | ALTR | Kowal Jan Director | 0 | $0 | 24,000 (Direct) | View |