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 |
| 2025-10-23 4:07 pm Purchase | 2025-10-16 | 13G | Sutro Biopharma, Inc. STRO | Affinity Healthcare Fund, LP | 6,583,772 7.770% | 6,583,772 (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% | -4,434,637 (Position Closed) | Filing History |
| 2025-08-13 8:47 pm Purchase | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | SUVRETTA CAPITAL MANAGEMENT, LLC | 6,488,324 7.700% | 710,136 (+12.29%) | Filing History |
| 2025-07-29 2:41 pm Sale | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | VANGUARD GROUP INC | 4,115,250 4.870% | -79,822 (-1.90%) | Filing History |
| 2025-07-16 7:02 pm Sale | 2025-06-30 | 13G | Sutro Biopharma, Inc. STRO | BlackRock Inc. BLK | 2,092,281 2.500% | -4,051,327 (-65.94%) | Filing History |
| 2025-06-30 4:36 pm Purchase | 2025-06-27 | 13G | Sutro Biopharma, Inc. STRO | Integrated Core Strategies (Asia) Pte. Ltd. | 4,717,215 5.600% | 3,348,194 (+244.57%) | Filing History |
| 2025-05-15 11:39 am Purchase | 2025-03-31 | 13G | Sutro Biopharma, Inc. STRO | Kynam Capital Management, LP | 5,441,447 6.440% | 5,441,447 (New Position) | Filing History |
| 2025-04-17 09:35 am Purchase | 2025-03-31 | 13G | Sutro Biopharma, Inc. STRO | BlackRock Inc. BLK | 6,143,608 7.300% | 319,686 (+5.49%) | Filing History |
| 2025-04-04 4:32 pm Purchase | 2025-03-28 | 13G | Sutro Biopharma, Inc. STRO | RA CAPITAL MANAGEMENT L.P. | 4,434,637 5.300% | 4,434,637 (New Position) | Filing History |
| 2024-11-14 7:54 pm Sale | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | Point72 Asset Management, L.P. | 2,997,453 3.700% | -2,935,455 (-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% | -3,347,946 (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% | -3,344,810 (Position Closed) | Filing History |
| 2024-11-12 5:46 pm Unchanged | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | VANGUARD GROUP INC | 4,195,072 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. | 2,250,132 2.750% | 2,250,132 (New Position) | Filing History |
| 2024-11-04 4:07 pm Sale | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | Integrated Core Strategies (US) LLC | 2,031,745 2.500% | -1,420,080 (-41.14%) | Filing History |
| 2024-11-04 2:09 pm Purchase | 2024-09-30 | 13G | Sutro Biopharma, Inc. STRO | VANGUARD GROUP INC | 4,195,072 5.110% | 4,195,072 (New Position) | Filing History |
| 2024-04-05 4:05 pm Purchase | 2024-04-04 | 13G | Sutro Biopharma, Inc. STRO | Point72 Asset Management, L.P. | 5,932,908 7.900% | 5,932,908 (New Position) | Filing History |
| 2024-02-13 12:16 pm Purchase | 2023-12-31 | 13G | Sutro Biopharma, Inc. STRO | SUVRETTA CAPITAL MANAGEMENT, LLC | 5,778,188 9.500% | 213,089 (+3.83%) | Filing History |
| 2024-02-12 06:06 am Purchase | 2023-12-31 | 13G | Sutro Biopharma, Inc. STRO | Rubric Capital Management LP | 3,344,810 5.490% | 132,938 (+4.14%) | Filing History |
| 2024-02-07 07:56 am Purchase | 2023-12-31 | 13G | Sutro Biopharma, Inc. STRO | ADAGE CAPITAL PARTNERS GP L.L.C. | 4,467,796 7.330% | 918,476 (+25.88%) | Filing History |