NASDAQ: STROSutro Biopharma Inc Stock Ownership - Who owns Sutro Biopharma?
Insider buying vs selling
Have Sutro Biopharma Inc insiders been buying or selling?
Buy
Sell
| Name | Role | Date | Shares | Price | Value |
|---|---|---|---|---|---|
| Jane Chung | Chief Executive Officer | 2026-03-04 | 282 | $21.31 | $6.01kSell |
| David Pauling | Chief Admin. Ofcr. GC | 2026-03-04 | 277 | $21.31 | $5.90kSell |
| Hanspeter Gerber | CHIEF SCIENTIFIC OFFICER | 2026-03-02 | 1,170 | $20.55 | $24.04kSell |
| Jane Chung | Chief Executive Officer | 2026-03-02 | 2,779 | $20.55 | $57.11kSell |
| David Pauling | Chief Admin. Ofcr. GC | 2026-03-02 | 970 | $20.55 | $19.93kSell |
| David Pauling | Chief Admin. Ofcr. GC | 2026-03-01 | 551 | $20.47 | $11.28kSell |
| Hanspeter Gerber | CHIEF SCIENTIFIC OFFICER | 2026-03-01 | 463 | $20.47 | $9.48kSell |
| Jane Chung | Chief Executive Officer | 2026-03-01 | 1,271 | $20.47 | $26.02kSell |
| Jane Chung | Chief Executive Officer | 2025-12-12 | 894 | $8.02 | $7.17kSell |
| Hanspeter Gerber | CHIEF SCIENTIFIC OFFICER | 2025-10-15 | 17,000 | $0.80 | $13.60kBuy |
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Net Insider Buy/Sell (L12M) Ownership
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STRO Shareholders
What type of owners hold Sutro Biopharma Inc stock?
Institutional
Insider
Retail
| Name | Hold | Shares | Value | Type |
|---|---|---|---|---|
| Merck Co Inc | 16.44% | 2,723,509 | $102.65M | Insider |
| Skyline Venture Partners V LP | 11.83% | 1,960,053 | $73.87M | Insider |
| Alta Partners VIII LP | 11.74% | 1,944,901 | $73.30M | Insider |
| Daniel Janney | 11.74% | 1,944,901 | $73.30M | Insider |
| Svlsf V LLC | 11.01% | 1,824,542 | $68.77M | Insider |
| Michael Jay Ross | 11.01% | 1,824,542 | $68.77M | Insider |
| Celgene Corp | 10.42% | 1,726,197 | $65.06M | Insider |
| Affinity Asset Advisors LLC | 4.52% | 748,382 | $28.21M | Institution |
| Kynam Capital Management LP | 2.89% | 479,590 | $18.08M | Institution |
| William J. Newell | 2.82% | 466,878 | $17.60M | Insider |
STRO vs Biotech Stocks
Sutro Biopharma Stock Ownership FAQ
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Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.