CIK 0001382101 · Non-accelerated filer<br>Smaller reporting company
SUTRO BIOPHARMA, INC.
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- STRO
- Exchange
- Nasdaq
- Industry
- Biological Products, (No Diagnostic Substances)
- FY end
- Dec 31
- Entity type
- operating
- EIN
- 452441988
- Phone
- 650-392-8412
- Business address
- 111 OYSTER POINT BLVD., SOUTH SAN FRANCISCO, CA, 94080
- Former names
- SUTRO BIOPHARMA INC, Fundamental Applied Biology Inc
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-01 | Pauling David Chief Admin. Ofcr. & GC | Option exercise · Restricted Stock Units (RSUs) | −842 | 1,686 | ||
| 2026-03-01 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Option exercise | +1,125 | 8,308 | ||
| 2026-03-01 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Shares withheld for taxes | −463 | $20.47 | $9K | 7,845 |
| 2026-03-01 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Option exercise · Restricted Stock Units (RSUs) | −1,125 | 2,250 | ||
| 2026-03-01 | Chung Jane Chief Executive Officer | Option exercise | +688 | 14,579 | ||
| 2026-03-01 | Chung Jane Chief Executive Officer | Option exercise | +2,500 | 17,079 | ||
| 2026-03-01 | Chung Jane Chief Executive Officer | Shares withheld for taxes | −1,271 | $20.47 | $26K | 15,808 |
| 2026-03-01 | Chung Jane Chief Executive Officer | Option exercise · Restricted Stock Units (RSUs) | −688 | 688 | ||
| 2026-03-01 | Chung Jane Chief Executive Officer | Option exercise · Restricted Stock Units (RSUs) | −2,500 | 5,000 | ||
| 2025-12-23 | Pauling David Chief Admin. Ofcr. & GC | Grant or award · Stock Option (right to buy) | +7,200 | 7,200 | ||
| 2025-12-23 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Grant or award · Stock Option (right to buy) | +7,925 | 7,925 | ||
| 2025-12-23 | Hunter Heidi Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | Chow Gregory K. CFO | Grant or award · Stock Option (right to buy) | +8,200 | 8,200 | ||
| 2025-12-23 | Dybbs Michael Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | Wigginton Jon Marc Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | Jagpal Sukhi Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | Lobacki Joseph M Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | Petree Daniel H Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | MATSUI CONNIE Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 | ||
| 2025-12-23 | PANEK JAMES P Director | Grant or award · Stock Option (right to buy) | +1,500 | 1,500 |
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