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 |
| 2025-05-15 2:24 pm Purchase | 2025-03-31 | 13G | Tectonic Therapeutic, Inc. TECX | EcoR1 Capital, LLC | 935,121 5.000% | 85,978 (+10.13%) | Filing History |
| 2025-05-12 10:43 am Purchase | 2025-03-31 | 13G | Tectonic Therapeutic, Inc. TECX | FMR LLC | 2,799,400 15.000% | 1,283,065 (+84.62%) | Filing History |
| 2025-04-07 7:20 pm Purchase | 2025-04-03 | 13D | Tectonic Therapeutic, Inc. TECX | SPRINGER TIMOTHY A | 4,313,558 31.500% | 87,500 (+2.07%) | Filing History |
| 2025-04-07 5:19 pm Sale | 2025-04-03 | 13D | Tectonic Therapeutic, Inc. TECX | MCGUIRE TERRANCE | 657,976 6.300% | -500,001 (-43.18%) | Filing History |
| 2025-04-07 4:20 pm Sale | 2025-03-04 | 13D | Tectonic Therapeutic, Inc. TECX | Vida Ventures II, LLC | 0 0.000% | -1,028,674 (Position Closed) | Filing History |
| 2025-02-13 3:10 pm Unchanged | 2024-12-31 | 13G | Tectonic Therapeutic, Inc. TECX | BML Investment Partners, L.P. | 0 0.000% | 0 (Unchanged) | Filing History |
| 2025-02-10 4:04 pm Purchase | 2025-02-03 | 13G | Tectonic Therapeutic, Inc. TECX | Deep Track Capital, LP | 1,401,938 7.600% | 1,401,938 (New Position) | Filing History |
| 2025-02-10 06:19 am Sale | 2025-02-05 | 13D | Tectonic Therapeutic, Inc. TECX | SPRINGER TIMOTHY A | 4,226,058 29.200% | -367,063 (-7.99%) | Filing History |
| 2025-02-07 5:51 pm Purchase | 2025-02-05 | 13D | Tectonic Therapeutic, Inc. TECX | Vida Ventures II, LLC | 1,028,674 5.600% | 1,028,674 (New Position) | Filing History |
| 2025-02-07 4:51 pm Purchase | 2025-02-05 | 13D | Tectonic Therapeutic, Inc. TECX | MCGUIRE TERRANCE | 1,157,977 6.300% | 1 (+0.00%) | Filing History |
| 2025-01-08 09:40 am Purchase | 2024-12-31 | 13G | Tectonic Therapeutic, Inc. TECX | FMR LLC | 1,516,335 10.300% | 438,797 (+40.72%) | Filing History |
| 2024-11-14 4:05 pm Unchanged | 2024-09-30 | 13G | Tectonic Therapeutic, Inc. TECX | Newtyn Management, LLC | 0 0.000% | 0 (Unchanged) | Filing History |
| 2024-10-28 6:08 pm Purchase | 2024-10-28 | 13D | Tectonic Therapeutic, Inc. TECX | Atlas Venture Fund X, L.P. | 67,567 0.500% | 67,567 (New Position) | Filing History |
| 2024-10-24 5:12 pm Purchase | 2024-10-22 | 13D | Tectonic Therapeutic, Inc. TECX | SPRINGER TIMOTHY A | 4,593,121 31.200% | 300,000 (+6.99%) | Filing History |
| 2024-09-26 8:41 pm Purchase | 2024-09-24 | 13D | Tectonic Therapeutic, Inc. TECX | SPRINGER TIMOTHY A | 4,293,121 29.100% | 4,293,121 (New Position) | Filing History |
| 2024-07-22 2:10 pm Sale | 2024-07-22 | 13G | Tectonic Therapeutic, Inc. TECX | FMR LLC | 1,077,538 7.313% | -938,740 (-46.56%) | Filing History |
| 2024-07-10 10:10 am Purchase | 2024-07-09 | 13G | Tectonic Therapeutic, Inc. TECX | FMR LLC | 2,016,278 13.684% | 2,016,278 (New Position) | Filing History |
| 2024-07-01 4:39 pm Purchase | 2024-06-20 | 13G | Tectonic Therapeutic, Inc. TECX | EcoR1 Capital, LLC | 849,143 5.800% | 849,143 (New Position) | Filing History |
| 2024-06-27 4:27 pm Purchase | 2024-06-20 | 13D | Tectonic Therapeutic, Inc. TECX | Vida Ventures II, LLC | 1,028,674 7.000% | 1,028,674 (New Position) | Filing History |
| 2024-06-26 08:00 am Purchase | 2024-06-20 | 13D | Tectonic Therapeutic, Inc. TECX | SPRINGER TIMOTHY A | 4,243,121 28.800% | 4,243,121 (New Position) | Filing History |