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 |
|---|---|---|---|---|---|---|
| 2026-03-02 | Pauling David Chief Admin. Ofcr. & GC | Shares withheld for taxes | −970 | $20.55 | $20K | 9,350 |
| 2026-03-02 | Pauling David Chief Admin. Ofcr. & GC | Option exercise · Restricted Stock Units (RSUs) | −2,356 | 7,069 | ||
| 2026-03-02 | Pauling David Chief Admin. Ofcr. & GC | Grant or award · Restricted Stock Units (RSUs) | +4,200 | 4,200 | ||
| 2026-03-02 | Pauling David Chief Admin. Ofcr. & GC | Grant or award · Stock Option (right to buy) | +33,600 | 33,600 | ||
| 2026-03-02 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Option exercise | +2,843 | 10,688 | ||
| 2026-03-02 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Shares withheld for taxes | −1,170 | $20.55 | $24K | 9,518 |
| 2026-03-02 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Option exercise · Restricted Stock Units (RSUs) | −2,843 | 8,532 | ||
| 2026-03-02 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Grant or award · Restricted Stock Units (RSUs) | +5,000 | 5,000 | ||
| 2026-03-02 | Gerber Hans-Peter CHIEF SCIENTIFIC OFFICER | Grant or award · Stock Option (right to buy) | +40,000 | 40,000 | ||
| 2026-03-02 | Chung Jane Chief Executive Officer | Option exercise | +7,750 | 23,558 | ||
| 2026-03-02 | Chung Jane Chief Executive Officer | Shares withheld for taxes | −2,779 | $20.55 | $57K | 20,779 |
| 2026-03-02 | Chung Jane Chief Executive Officer | Option exercise · Restricted Stock Units (RSUs) | −7,750 | 23,250 | ||
| 2026-03-02 | Chung Jane Chief Executive Officer | Grant or award · Restricted Stock Units (RSUs) | +40,000 | 40,000 | ||
| 2026-03-02 | Chung Jane Chief Executive Officer | Grant or award · Stock Option (right to buy) | +175,000 | 175,000 | ||
| 2026-03-02 | Chow Gregory K. CFO | Grant or award · Stock Option (right to buy) | +40,000 | 40,000 | ||
| 2026-03-02 | Chow Gregory K. CFO | Grant or award · Restricted Stock Units (RSUs) | +5,000 | 5,000 | ||
| 2026-03-01 | Pauling David Chief Admin. Ofcr. & GC | Option exercise | +500 | 7,673 | ||
| 2026-03-01 | Pauling David Chief Admin. Ofcr. & GC | Option exercise | +842 | 8,515 | ||
| 2026-03-01 | Pauling David Chief Admin. Ofcr. & GC | Shares withheld for taxes | −551 | $20.47 | $11K | 7,964 |
| 2026-03-01 | Pauling David Chief Admin. Ofcr. & GC | Option exercise · Restricted Stock Units (RSUs) | −500 | 500 |
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