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 |
| 2026-01-29 7:58 pm Purchase | 2026-01-22 | 13G | Sutro Biopharma, Inc. STRO | Affinity Asset Advisors, LLC | 748,382 8.800% | 748,382 (New Position) | Filing History |
| 2025-10-23 4:07 pm Purchase | 2025-10-16 | 13G | Sutro Biopharma, Inc. STRO | Affinity Asset Advisors, LLC | 658,377 7.770% | 658,377 (New Position) | Filing History |
| 2025-08-14 6:10 pm Sale | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | RA Capital Management, L.P. | 0 0.000% | -443,464 (Position Closed) | Filing History |
| 2025-08-13 8:47 pm Purchase | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | SUVRETTA CAPITAL MANAGEMENT LLC | 648,832 7.700% | 71,014 (+12.29%) | Filing History |
| 2025-07-29 2:41 pm Sale | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | The Vanguard Group | 411,525 4.870% | -7,982 (-1.90%) | Filing History |
| 2025-07-16 7:02 pm Sale | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | BlackRock Inc. BLK | 209,228 2.500% | -405,133 (-65.94%) | Filing History |
| 2025-06-30 4:36 pm Purchase | 2025-06-27 | 13G | Sutro Biopharma, Inc. STRO | Millennium Management LLC | 471,722 5.600% | 334,819 (+244.57%) | Filing History |
| 2025-05-15 11:39 am Purchase | 2025-03-31 | 13G | Sutro Biopharma, Inc. STRO | Kynam Capital Management, LP | 544,145 6.440% | 544,145 (New Position) | Filing History |
| 2025-04-17 09:35 am Purchase | 2025-03-31 | 13G | Sutro Biopharma, Inc. STRO | BlackRock Inc. BLK | 614,361 7.300% | 31,969 (+5.49%) | Filing History |
| 2025-04-04 4:32 pm Purchase | 2025-03-28 | 13G | Sutro Biopharma, Inc. STRO | RA Capital Management, L.P. | 443,464 5.300% | 443,464 (New Position) | Filing History |
| 2024-11-14 7:54 pm Sale | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | Point72 Asset Management, L.P. | 299,745 3.700% | -293,546 (-49.48%) | Filing History |
| 2024-11-14 4:30 pm Sale | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | BIOTECHNOLOGY VALUE FUND L P | 0 0.000% | -334,795 (Position Closed) | Filing History |
| 2024-11-13 4:30 pm Sale | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | Rubric Capital Management LP | 0 0.000% | -334,481 (Position Closed) | Filing History |
| 2024-11-12 5:46 pm Unchanged | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | The Vanguard Group | 419,507 5.110% | 0 (Unchanged) | Filing History |
| 2024-11-12 09:34 am Purchase | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | Adage Capital Management, L.P. | 225,013 2.750% | 225,013 (New Position) | Filing History |
| 2024-11-04 4:07 pm Sale | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | Integrated Core Strategies (US) LLC | 203,175 2.500% | -142,008 (-41.14%) | Filing History |
| 2024-11-04 2:09 pm Purchase | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | The Vanguard Group | 419,507 5.110% | 419,507 (New Position) | Filing History |
| 2024-04-05 4:05 pm Purchase | 2024-04-04 | 13G | Sutro Biopharma, Inc. STRO | Point72 Asset Management, L.P. | 593,291 7.900% | 593,291 (New Position) | Filing History |
| 2024-02-13 12:16 pm Purchase | 2023-12-31 | 13G | Sutro Biopharma, Inc. STRO | SUVRETTA CAPITAL MANAGEMENT LLC | 577,819 9.500% | 21,309 (+3.83%) | Filing History |
| 2024-02-12 06:06 am Purchase | 2023-12-31 | 13G | Sutro Biopharma, Inc. STRO | Rubric Capital Management LP | 334,481 5.490% | 13,294 (+4.14%) | Filing History |