Real time Form 13D and 13G transaction reports:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
- Shares have beem 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>>
| Reported DateTime | Transaction Date | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | View |
| 2023-01-31 1:58 pm Sale | 2022-12-31 | 13G | Altair Engineering Inc. ALTR | BlackRock Inc. BLK | 4,056,464 7.700% | -483,070 (-10.64%) | Filing History |
| 2022-02-14 12:05 pm Purchase | 2021-12-31 | 13G | Altair Engineering Inc. ALTR | Matrix Capital Management Company LP | 8,600,000 16.930% | 3,444,975 (+66.83%) | Filing History |
| 2022-02-09 3:24 pm Purchase | 2021-12-31 | 13G | Altair Engineering Inc. ALTR | The Vanguard Group | 4,627,749 9.110% | 576,927 (+14.24%) | Filing History |
| 2022-02-08 4:52 pm Sale | 2021-12-31 | 13G | Altair Engineering Inc. ALTR | George J. Christ | 10,525,782 17.200% | -1,574,950 (-13.02%) | Filing History |
| 2022-02-08 4:51 pm Sale | 2021-12-31 | 13G | Altair Engineering Inc. ALTR | James Ralph Scapa | 17,343,713 25.500% | -735,838 (-4.07%) | Filing History |
| 2022-02-03 4:41 pm Purchase | 2021-12-31 | 13G | Altair Engineering Inc. ALTR | BlackRock Inc. BLK | 4,539,534 8.900% | 254,371 (+5.94%) | Filing History |