Gossamer Bio, Inc. (GOSS)
Nasdaq: GOSS · Pharmaceutical Preparations · San Diego, CA · filing with the SEC since 2018
Who runs Gossamer Bio, Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Hasnain Faheem
President & CEO. First filing Feb 2019, latest Aug 26, 2026, 7 filings in all.
Officers reporting now
6
of 13 people with a filing in the last fifteen months
Directors reporting now
7
21 people on the record since 2019
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Hasnain Faheem | President & CEO | Feb 2019 | Aug 26, 2026 | none |
| Giraudo Bryan | COO/CFO | Feb 2019 | Aug 26, 2026 | none |
| Peterson Caryn | Chief Development Officer | Apr 2021 | Aug 26, 2026 | none |
| Smith Robert Paul Jr | Chief Commercial Officer | Dec 2023 | Aug 26, 2026 | none |
| Christian Waage | EVP, Tech Ops and Admin | Feb 2019 | Aug 26, 2026 | none |
| Aranda Richard | Chief Medical Officer | Jun 2021 | Mar 20, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Ciongoli Gregory Austin | director | Sep 2026 | Sep 25, 2026 | none |
| Cox Russell J. | director | Feb 2019 | Sep 25, 2026 | none |
| Daniel Thomas O | director | Feb 2019 | Sep 25, 2026 | none |
| Drynan Skye | director | Mar 2024 | Sep 25, 2026 | none |
| Milligan Sandra | director | Jun 2021 | Sep 25, 2026 | none |
| Nathan Steven D | director | Mar 2024 | Sep 25, 2026 | none |
| Quisel John D | director | Nov 2023 | Sep 25, 2026 | none |
Earlier names on the record19, newest filing first
Burow Kristina · director · last filing Jun 2023Gala Renee D · director · last filing Jun 2023Carter Laura · officer · last filing Mar 2023Bilenker Joshua H. · director · last filing Jul 2022Salter-Cid Luisa · officer · last filing Mar 2021Gujrathi Sheila · officer · last filing Feb 2020Dupont Jakob · officer · last filing Feb 2020Omega Fund V Gp Manager, Ltd. · 10% owner · last filing Sep 2019Omega Fund V Gp, L.P. · 10% owner · last filing Sep 2019Omega Fund V, L.P. · 10% owner · last filing Sep 2019Stampacchia Otello · director · last filing Sep 2019Arch Venture Fund Ix Overage, L.P. · 10% owner · last filing Feb 2019Arch Venture Fund Ix, L.P. · 10% owner · last filing Feb 2019Arch Venture Partners Ix Overage, L.P. · 10% owner · last filing Feb 2019Arch Venture Partners Ix, L.P. · 10% owner · last filing Feb 2019Arch Venture Partners Ix, LLC · 10% owner · last filing Feb 2019Bybee Clinton · 10% owner · last filing Feb 2019Crandell Keith · 10% owner · last filing Feb 2019Nelsen Robert · 10% owner · last filing Feb 2019
A person is listed as reporting now after a filing in the last fifteen months. The record shows when someone last filed; it does not say why they stopped. Each name links to the filings on sec.gov.