Figures computed from official regulatory filings — .
Analysttarget 47.23 USD (+208%) · consensus 4.57/5 · 13 buy · 0 hold · 1 sell
Ownershipinsiders 2.26% · institutions 98.87% · short 12.6% of float
In USD · as of Oct 5, 2026
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Sutro Biopharma, Inc. operates as an oncology company. The company develops site-specific and novel-format antibody drug conjugates (ADCs) that enables its proprietary integrated cell-free protein synthesis platform, XpressCF; and site-specific conjugation platform, XpressCF+. Its lead product candidate includes STRO-004, a tissue factor (TF) targeting ADC for the treatment of TF-expressing solid tumors, including non-small cell lung cancer, head and neck squamous cell carcinoma, cervical cancer, colorectal cancer, pancreatic ductal adenocarcinoma, endometrial cancer, and bladder cancer. The company also develops VAX-24 and Vax-31 pneumococcal conjugate vaccine candidates that is in Phase II/III clinical trials for the treatment of invasive pneumococcal disease in adults and adults and infants; and STRO-003, an ADC directed against an anti-receptor tyrosine kinase-like orphan receptor 1 (ROR1) for the treatment of solid tumors, such as triple negative breast cancer, non-small cell lung cancer, and ovarian cancer, as well as hematological cancers. Sutro Biopharma, Inc. has collaboration and license agreements with Vaxcyte to discover and develop vaccine candidates for the treatment or prophylaxis of infectious diseases; Tasly Biopharmaceuticals Co., Ltd. to develop and commercialize STRO-002 in Greater China; Ipsen to develop and commercialize STRO-003, an ADC targeting ROR1; and Astellas Pharma Inc. to develop immunostimulatory ADC. The company was formerly known as Fundamental Applied Biology, Inc. Sutro Biopharma, Inc. was incorporated in 2003 and is headquartered in South San Francisco, California.
Market information source · Oct 5, 2026
Periods recorded in the consulted sources. These do not certify the legal dates of name changes.
SEC company identity · Oct 5, 2026
Open-market timeline · full history
10 buys26 sells— close pricebar = usd volume, √ scaleclick a period to filter the table
| Insider | Type | Value · USD | Signals | Details |
|---|---|---|---|---|
| Gerber Hans-Peter | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gerber Hans-Peter | Other | $20.6K | SEC |
| Gerber Hans-Peter | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Lobacki Joseph M | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| PANEK JAMES P | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Jagpal Sukhi | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Hunter Heidi | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Petree Daniel H | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Wigginton Jon Marc | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Dybbs Michael | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| MATSUI CONNIE | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chow Gregory K. | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chow Gregory K. | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Pauling David | Other | $5.9K | SEC |
| Chung Jane | Other | $6K | SEC |
| Pauling David | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Pauling David | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chung Jane | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chung Jane | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Pauling David | ExerciseD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Gerber Hans-Peter | Other | $9.5K | SEC |
| Pauling David | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Pauling David | Exercise | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chow Gregory K. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |
| Chow Gregory K. | AwardD (derivative) | n/a (Non-cash transaction: the filing states a price of zero (award, gift, exercise)) | SEC |