Sutro Biopharma, Inc (STRO) insider trading
Every open-market stock purchase and sale by Sutro Biopharma, Inc executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- No open-market insider trades in the last 12 months.
- Last insider buy: Connie Matsui (Insider), $40K, 12 months ago.
Last 12 months: insiders bought $89.6K (5 buys) and sold $0 (0 sales). Last close $15.71 on Sep 24, 2026.
Recent STRO insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Sep 18, 2026 | Hans-Peter Gerber (C-suite exec) | Sold (not open market) | $20.6K |
| Sep 18, 2026 | Hans-Peter Gerber (C-suite exec) | Bought (not open market) | — |
| Jun 5, 2026 | Connie Matsui (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | Daniel H Petree (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | James P Panek (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | Heidi Hunter (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | Michael Dybbs (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | Jon Marc Wigginton (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | Joseph M Lobacki (Insider) | Bought (not open market) | — |
| Jun 5, 2026 | Sukhi Jagpal (Insider) | Bought (not open market) | — |
| Jun 2, 2026 | Gregory K. Chow (CFO) | Bought (not open market) | — |
| Mar 4, 2026 | Jane Chung (CEO) | Sold (not open market) | $6K |
| Mar 4, 2026 | David Pauling (Officer) | Sold (not open market) | $5.9K |
| Mar 4, 2026 | Jane Chung (CEO) | Bought (not open market) | — |
| Mar 4, 2026 | David Pauling (Officer) | Bought (not open market) | — |
| Mar 2, 2026 | Jane Chung (CEO) | Sold (not open market) | $57.1K |
| Mar 2, 2026 | Hans-Peter Gerber (C-suite exec) | Sold (not open market) | $24K |
| Mar 2, 2026 | David Pauling (Officer) | Sold (not open market) | $19.9K |
| Mar 2, 2026 | Hans-Peter Gerber (C-suite exec) | Bought (not open market) | — |
| Mar 2, 2026 | Hans-Peter Gerber (C-suite exec) | Bought (not open market) | — |
| Mar 2, 2026 | Hans-Peter Gerber (C-suite exec) | Bought (not open market) | — |
| Mar 2, 2026 | Jane Chung (CEO) | Bought (not open market) | — |
| Mar 2, 2026 | Jane Chung (CEO) | Bought (not open market) | — |
| Mar 2, 2026 | David Pauling (Officer) | Bought (not open market) | — |
| Mar 2, 2026 | David Pauling (Officer) | Bought (not open market) | — |
Who's trading STRO
- Hans-Peter Gerber, C-suite exec: bought $13.6K (1 buy), last Sep 18, 2026
- Jon Marc Wigginton, Insider: other filings, last Jun 5, 2026
- Connie Matsui, Insider: bought $40K (1 buy), last Jun 5, 2026
- Sukhi Jagpal, Insider: other filings, last Jun 5, 2026
- James P Panek, Insider: other filings, last Jun 5, 2026
- Joseph M Lobacki, Insider: other filings, last Jun 5, 2026
- Michael Dybbs, Insider: other filings, last Jun 5, 2026
- Daniel H Petree, Insider: other filings, last Jun 5, 2026
- Heidi Hunter, Insider: other filings, last Jun 5, 2026
- Gregory K. Chow, CFO: bought $16K (1 buy), last Jun 2, 2026
- Jane Chung, CEO: bought $10K (1 buy), last Mar 4, 2026
- David Pauling, Officer: bought $10K (1 buy), last Mar 4, 2026
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