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
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- Peter Lynch
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| 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 |
| 2021-02-16 10:00 am Purchase |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
Matrix Capital Management Company, LP | 5,155,025 11.920% |
2,762,300 (+115.45%) |
Filing History |
| 2021-02-16 06:29 am Sale |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
George J. Christ | 12,100,732 21.900% |
-660,000 (-5.17%) |
Filing History |
| 2021-02-16 06:26 am Sale |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
James Ralph Scapa | 18,079,551 29.500% |
-359,140 (-1.95%) |
Filing History |
| 2021-02-11 10:30 am Sale |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
Neuberger Berman Group LLC | 1,917,420 4.430% |
-1,131,957 (-37.12%) |
Filing History |
| 2021-02-10 10:30 am Purchase |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
The Vanguard Group | 4,050,822 9.370% |
418,987 (+11.54%) |
Filing History |
| 2021-01-28 5:56 pm Purchase |
2020-12-31 | 13G | Altair Engineering Inc. ALTR |
BLACKROCK INC BLK |
4,285,163 9.900% |
1,042,429 (+32.15%) |
Filing History |
| 2021-01-06 09:20 am Purchase |
2021-01-06 | 13G | Altair Engineering Inc. ALTR |
Conestoga Capital Advisors LLC | 2,397,962 5.550% |
280,485 (+13.25%) |
Filing History |