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 |
| 2025-02-12 5:00 pm Purchase | 2024-12-31 | 13G | Perimeter Solutions, SA PRM | Matrix Capital Management Company LP | 6,554,000 4.480% | 6,554,000 (New Position) | Filing History |
| 2025-01-08 10:30 am Sale | 2024-12-31 | 13G | Adaptimmune Therapeutics plc ADAP | Matrix Capital Management Company LP | 0 0.000% | -135,000,000 (Position Closed) | Filing History |
| 2024-12-05 5:17 pm Sale | 2024-11-30 | 13G | Adaptimmune Therapeutics plc ADAP | Matrix Capital Management Company LP | 135,000,000 8.800% | -91,089,090 (-40.29%) | Filing History |
| 2024-11-13 09:09 am Purchase | 2024-09-30 | 13G | Altair Engineering Inc. ALTR | Matrix Capital Management Company LP | 12,430,000 20.900% | 196,826 (+1.61%) | Filing History |
| 2024-11-13 09:04 am Sale | 2024-09-30 | 13G | Adaptimmune Therapeutics plc ADAP | Matrix Capital Management Company LP | 226,089,090 14.730% | -7,756,020 (-3.32%) | Filing History |
| 2024-11-13 09:00 am Sale | 2024-09-30 | 13G | Adaptive Biotechnologies Corporation ADPT | Matrix Capital Management Company LP | 650,000 0.440% | -10,922,590 (-94.38%) | Filing History |
| 2024-02-13 4:15 pm Purchase | 2023-12-31 | 13G | Altair Engineering Inc. ALTR | Matrix Capital Management Company LP | 12,233,174 22.400% | 1,362,174 (+12.53%) | Filing History |
| 2023-11-09 4:34 pm Purchase | 2023-11-09 | 13D | Aura Biosciences, Inc. AURA | Matrix Capital Management Company LP | 6,922,870 14.100% | 1,560,000 (+29.09%) | Filing History |
| 2023-07-10 4:15 pm Unchanged | 2023-06-30 | 13G | Adaptimmune Therapeutics plc ADAP | Matrix Capital Management Company LP | 233,845,110 17.290% | 0 (Unchanged) | Filing History |
| 2023-06-20 4:30 pm Purchase | 2023-06-20 | 13D | Zentalis Pharmaceuticals, Inc. ZNTL | Matrix Capital Management Company LP | 13,959,973 19.810% | 4,760,000 (+51.74%) | Filing History |
| 2023-02-13 4:07 pm Sale | 2022-12-31 | 13G | New Relic, Inc. NEWR | Matrix Capital Management Company LP | 0 0.000% | -5,000,000 (Position Closed) | Filing History |
| 2023-02-13 4:06 pm Sale | 2022-12-31 | 13G | ForgeRock, Inc. FORG | Matrix Capital Management Company LP | 0 0.000% | -1,000,000 (Position Closed) | Filing History |
| 2023-02-13 4:05 pm Purchase | 2022-12-31 | 13G | Altair Engineering Inc. ALTR | Matrix Capital Management Company LP | 10,871,000 20.750% | 2,271,000 (+26.41%) | Filing History |
| 2023-02-13 4:04 pm Sale | 2021-12-31 | 13G | Perimeter Solutions, SA PRM | Matrix Capital Management Company LP | 8,587,500 5.430% | -3,875,000 (-31.09%) | Filing History |
| 2022-12-07 4:30 pm Purchase | 2022-12-05 | 13D | Aura Biosciences, Inc. AURA | Matrix Capital Management Company LP | 5,362,870 14.500% | 1,250,000 (+30.39%) | Filing History |
| 2022-06-03 10:52 am Purchase | 2022-05-18 | 13D | Zentalis Pharmaceuticals, Inc. ZNTL | Matrix Capital Management Company LP | 9,199,973 16.450% | 4,850,694 (+111.53%) | Filing History |
| 2022-02-18 4:05 pm Purchase | 2021-12-31 | 13G | New Relic, Inc. NEWR | Matrix Capital Management Company LP | 5,000,000 7.640% | 1,437,500 (+40.35%) | 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 |
| 2022-02-14 12:05 pm Sale | 2021-12-31 | 13G | Adaptive Biotechnologies Corporation ADPT | Matrix Capital Management Company LP | 11,572,590 8.200% | -1,542,500 (-11.76%) | Filing History |
| 2022-02-14 12:03 pm Purchase | 2021-12-31 | 13G | Zentalis Pharmaceuticals, Inc. ZNTL | Matrix Capital Management Company LP | 4,349,279 9.600% | 527,540 (+13.80%) | Filing History |