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 |
|---|---|---|---|---|---|---|
| 2026-09-18 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Option exercise | +3,750 | 13,712 | ||
| 2026-09-18 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Shares withheld for taxes | −1,345 | $15.34 | $21K | 12,367 |
| 2026-09-18 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Option exercise · Restricted Stock Units (RSUs) | −3,750 | 3,750 | ||
| 2026-06-05 | Hunter Heidi Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | Dybbs Michael Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | Wigginton Jon Marc Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | Jagpal Sukhi Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | Lobacki Joseph M Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | Petree Daniel H Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | MATSUI CONNIE Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-05 | PANEK JAMES P Director | Grant or award · Stock Option (right to buy) | +10,000 | 10,000 | ||
| 2026-06-02 | Chow Gregory K. CFO | Option exercise | +2,500 | 4,725 | ||
| 2026-06-02 | Chow Gregory K. CFO | Option exercise · Restricted Stock Units (RSUs) | −2,500 | 7,500 | ||
| 2026-03-04 | Pauling David Chief Admin. Ofcr. & GC | Option exercise | +675 | 10,025 | ||
| 2026-03-04 | Pauling David Chief Admin. Ofcr. & GC | Shares withheld for taxes | −277 | $21.31 | $6K | 9,748 |
| 2026-03-04 | Pauling David Chief Admin. Ofcr. & GC | Option exercise · Restricted Stock Units (RSUs) | −675 | 0 | ||
| 2026-03-04 | Chung Jane Chief Executive Officer | Option exercise | +788 | 21,567 | ||
| 2026-03-04 | Chung Jane Chief Executive Officer | Shares withheld for taxes | −282 | $21.31 | $6K | 21,285 |
| 2026-03-04 | Chung Jane Chief Executive Officer | Option exercise · Restricted Stock Units (RSUs) | −788 | 0 | ||
| 2026-03-02 | Pauling David Chief Admin. Ofcr. & GC | Option exercise | +2,356 | 10,320 |
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