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 | — | |
| Feb 12, 2019 MForm 4 → | Feb 14, 4:52 pm EST | Daniel H PetreeDirector | 3,030 | $5.09 | $15,423 | 3,030 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 3, 12:36 pm EDT | Skyline Venture Partners V LP +210% Owner | 1,960,053 | — | — | 1,960,053 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 2, 4:10 pm EDT | CELGENE CORP10% Owner | 1,726,197 | — | — | 1,726,197 | — | plan? |
| Oct 1, 2018 PForm 4 → | Oct 2, 2:31 pm EDT | Merck & Co., Inc. +110% Owner | 666,666 | $15.00 | $9,999,990 | 2,723,509 | +32.4% | plan? |
| Oct 1, 2018 CForm 4 → | Oct 2, 2:31 pm EDT | Merck & Co., Inc. +110% Owner | 2,056,843 | — | — | 2,056,843 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:28 pm EDT | SVLSF V, LLC +810% Owner | 1,824,542 | — | — | 18,248 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:26 pm EDT | Michael Jay RossDirector, 10% Owner | 1,824,542 | — | — | 18,248 | — | plan? |
| Oct 1, 2018 SForm 4 → | Oct 1, 5:22 pm EDT | Daniel H PetreeDirector | 122 | $15.00 | $1,830 | 192 | −38.9% | plan? |
| Oct 1, 2018 MForm 4 → | Oct 1, 5:22 pm EDT | Daniel H PetreeDirector | 314 | $5.81 | $1,824 | 314 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:20 pm EDT | William J NewellCEO & President, Director | 12,736 | — | — | 21,154 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:18 pm EDT | Daniel JanneyDirector, 10% Owner | 1,944,901 | — | — | 1,944,901 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:16 pm EDT | Trevor HallamChief Science Officer | 2,026 | — | — | 15,800 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:15 pm EDT | John Gordon FreundDirector, 10% Owner | 1,960,053 | — | — | 1,960,053 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:13 pm EDT | Linda A FitzpatrickChief People & Comm. Officer | 10,383 | — | — | 10,383 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:12 pm EDT | Alta Partners VIII, L.P. +410% Owner | 1,944,901 | — | — | 1,944,901 | — | plan? |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:08 pm EDT | Edward C AlbiniCFO and Secretary | 1,688 | — | — | 1,688 | — | plan? |
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 | — | |
| Feb 12, 2019 MForm 4 → | Feb 14, 4:52 pm EST | Daniel H PetreeDirector | 3,030 | — | — | 0 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:11 pm EST | Stephen WorsleyChief Business Officer | 30,000 | — | — | 30,000 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:11 pm EST | William J NewellCEO, Director | 445,000 | — | — | 445,000 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:09 pm EST | Arturo Molina M.D.Chief Medical Officer | 47,500 | — | — | 47,500 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:08 pm EST | Trevor HallamChief Science Officer | 47,500 | — | — | 47,500 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:08 pm EST | Linda A FitzpatrickChief People & Comm. Officer | 30,000 | — | — | 30,000 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:07 pm EST | Anik ShabbirChief Technical Ops. Officer | 35,000 | — | — | 35,000 | — | |
| Jan 29, 2019 AForm 4 → | Jan 31, 5:07 pm EST | Edward C AlbiniCFO and Secretary | 47,500 | — | — | 47,500 | — | |
| Nov 8, 2018 AForm 4 → | Nov 13, 5:23 pm EST | Shalini SharpDirector | 26,033 | — | — | 26,033 | — | late |
| Oct 1, 2018 CForm 4 → | Oct 3, 12:36 pm EDT | Skyline Venture Partners V LP +210% Owner | 56,560,236 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 2, 4:10 pm EDT | CELGENE CORP10% Owner | 48,007,412 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 2, 2:31 pm EDT | Merck & Co., Inc. +110% Owner | 74,794,315 | — | — | 0 | — | |
| Oct 1, 2018 MForm 4 → | Oct 1, 5:22 pm EDT | Daniel H PetreeDirector | 314 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:20 pm EDT | William J NewellCEO & President, Director | 297,924 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:18 pm EDT | Daniel JanneyDirector, 10% Owner | 50,736,989 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:16 pm EDT | Trevor HallamChief Science Officer | 50,033 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:15 pm EDT | John Gordon FreundDirector, 10% Owner | 56,560,236 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:13 pm EDT | Linda A FitzpatrickChief People & Comm. Officer | 228,243 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:12 pm EDT | Alta Partners VIII, L.P. +410% Owner | 50,736,989 | — | — | 0 | — | |
| Oct 1, 2018 CForm 4 → | Oct 1, 5:08 pm EDT | Edward C AlbiniCFO and Secretary | 41,694 | — | — | 0 | — | |
| Sep 27, 2018 CMForm 4 → | Oct 1, 5:28 pm EDT | SVLSF V, LLC +810% Owner | 45,440,098 | — | — | 0 | — | |
| Sep 27, 2018 CMForm 4 → | Oct 1, 5:26 pm EDT | Michael Jay RossDirector, 10% Owner | 45,440,098 | — | — | 0 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:07 pm EDT | Stephen WorsleyChief Business Officer | 203,056 | — | — | 203,056 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:06 pm EDT | Michael Jay RossDirector, 10% Owner | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:04 pm EDT | Daniel H PetreeDirector | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:03 pm EDT | William J NewellCEO & President, Director | 530,302 | — | — | 75,757 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:03 pm EDT | Arturo Molina M.D.Chief Medical Officer | 180,784 | — | — | 25,826 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:01 pm EDT | Joseph M LobackiDirector | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 6:00 pm EDT | V Bryan LawlisDirector | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:56 pm EDT | Daniel JanneyDirector, 10% Owner | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:55 pm EDT | Trevor HallamChief Science Officer | 245,178 | — | — | 13,774 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:52 pm EDT | John Gordon FreundDirector, 10% Owner | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:51 pm EDT | Linda A FitzpatrickChief People & Comm. Officer | 159,090 | — | — | 22,727 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:50 pm EDT | Michael DybbsDirector | 26,033 | — | — | 26,033 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:49 pm EDT | Anik ShabbirChief Technical Ops. Officer | 180,784 | — | — | 25,826 | — | |
| Sep 26, 2018 AForm 4 → | Sep 27, 5:48 pm EDT | Edward C AlbiniCFO and Secretary | 150,654 | — | — | 21,522 | — |