Company · CIK 0001382101 · SIC 2836 — Biological Products, (No Diagnostic Substances) · Nasdaq
SUTRO BIOPHARMA, INC. · STRO
Insider activity reported against this company. All insider holders · On EDGAR ↗
Reported at this company — common stock
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 FMForm 4 → | Sep 22, 4:09 pm EDT | Hans-Peter GerberCHIEF SCIENTIFIC OFFICER | 5,095 | $15.34 | $20,632 | 12,367 | — |
Reported at this company — derivatives (options, RSUs, warrants)
| Trade | Reported (ET) | Insider | Shares | Avg price | Total | Owned after | Δ stake | Flags |
|---|---|---|---|---|---|---|---|---|
| Sep 18, 2026 MForm 4 → | Sep 22, 4:09 pm EDT | Hans-Peter GerberCHIEF SCIENTIFIC OFFICER | 3,750 | — | — | 3,750 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:24 pm EDT | Jon Marc WiggintonDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:23 pm EDT | Daniel H PetreeDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:21 pm EDT | James P PanekDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:19 pm EDT | Joseph M LobackiDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:18 pm EDT | Sukhi JagpalDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:16 pm EDT | Heidi HunterDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:14 pm EDT | Michael DybbsDirector | 10,000 | — | — | 10,000 | — | |
| Jun 5, 2026 AForm 4 → | Jun 9, 4:12 pm EDT | Connie MatsuiDirector | 10,000 | — | — | 10,000 | — |