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 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>>
| Reported DateTime | Type | Company Symbol | Filed By Symbol | Shares Owned % Owned | Shares Vs. Prev Report | Filing |
| 2021-02-11 10:30 am Sale | 13G | ALTAIR ENGR INC ALTR | Neuberger Berman Group LLC | 1,917,420 4.43% | -1,131,957 (-37.12%) | View |
| 2021-02-10 10:30 am Purchase | 13G | ALTAIR ENGR INC ALTR | VANGUARD GROUP INC | 4,050,822 9.37% | 418,987 (+11.54%) | View |
| 2021-01-28 5:56 pm Purchase | 13G | ALTAIR ENGR INC ALTR | BlackRock Inc. BLK | 4,285,163 9.9% | 1,042,429 (+32.15%) | View |
| 2021-01-06 09:20 am Purchase | 13G | ALTAIR ENGR INC ALTR | Conestoga Capital Advisors LLC | 2,397,962 5.55% | 280,485 (+13.25%) | View |
| 2020-02-14 5:36 pm Sale | 13G | ALTAIR ENGR INC ALTR | BAMCO INC | 1,937,627 4.79% | -37,130 (-1.88%) | View |
| 2020-02-14 10:32 am Purchase | 13G | ALTAIR ENGR INC ALTR | Matrix Capital Management Company LP | 2,392,725 5.91% | 2,392,725 (New Position) | View |
| 2020-02-13 2:17 pm Purchase | 13G | ALTAIR ENGR INC ALTR | Neuberger Berman Group LLC | 3,049,377 7.53% | 809,153 (+36.12%) | View |
| 2020-02-12 08:08 am Purchase | 13G | ALTAIR ENGR INC ALTR | VANGUARD GROUP INC | 3,631,835 8.97% | 545,826 (+17.69%) | View |
| 2020-02-06 5:27 pm Sale | 13G | ALTAIR ENGR INC ALTR | Scapa James Ralph | 18,438,691 31.3% | -596,309 (-3.13%) | View |
| 2020-02-06 5:27 pm Sale | 13G | ALTAIR ENGR INC ALTR | Christ George J | 12,760,732 24% | -410,000 (-3.11%) | View |
| 2020-02-05 11:25 am Sale | 13G | ALTAIR ENGR INC ALTR | BlackRock Inc. BLK | 3,242,734 8% | -883,583 (-21.41%) | View |
| 2020-01-16 6:55 pm Purchase | 13G | ALTAIR ENGR INC ALTR | Conestoga Capital Advisors LLC | 2,117,477 5.23% | 2,117,477 (New Position) | View |
| 2019-10-09 4:14 pm Purchase | 13G | ALTAIR ENGR INC ALTR | BlackRock Inc. BLK | 4,126,317 10.4% | 1,742,853 (+73.12%) | View |