Seres Therapeutics, Inc.
SEC CIK 1609809 · MCRB · last insider filing 2026-05-19
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Shaff Eric D. | Director · See Remarks | filed 2015 - 2026 |
| Kender Richard N | Director · See Remarks | filed 2015 - 2026 |
| Rosiello Robert L. | Director | filed 2025 - 2025 |
| Ausiello Dennis A | Director | filed 2015 - 2025 |
| Fraser-Liggett Claire | Director | filed 2023 - 2025 |
| Berenson Stephen | Director | filed 2019 - 2025 |
| Dere Willard H | Director | filed 2017 - 2025 |
| Graves Kurt | Director | filed 2015 - 2025 |
| Biondi Paul | Director | filed 2020 - 2025 |
| Woerle Hans-Juergen | Director | filed 2025 - 2025 |
| Behar Gregory | Director | filed 2015 - 2023 |
| Afeyan Noubar | Director | filed 2015 - 2022 |
| Zausner Meryl | Director | filed 2018 - 2022 |
| Pomerantz Roger | Director · President and CEO | filed 2015 - 2019 |
| Kim Lorence H. | Director | filed 2015 - 2019 |
| Hutt Peter Barton | Director | filed 2015 - 2016 |
| Cautreels Werner | Director | filed 2015 - 2015 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Desrosier Thomas | See Remarks | filed 2016 - 2026 |
| Henn Matthew R. | See Remarks | filed 2019 - 2026 |
| Brady Kelly | See Remarks | filed 2026 - 2026 |
| Thorell Marella | See Remarks | filed 2024 - 2026 |
| Young Teresa L. | See Remarks | filed 2020 - 2026 |
| von Moltke Lisa | See Remarks | filed 2020 - 2025 |
| Ege David S. | See Remarks | filed 2020 - 2024 |
| Arkowitz David | See Remarks | filed 2021 - 2024 |
| Cloghessy Paula | See Remarks | filed 2022 - 2023 |
| Chapman Marcus | See Remarks | filed 2019 - 2021 |
| Aunins John G. | See Remarks | filed 2015 - 2020 |
| Cook David N | See Remarks | filed 2015 - 2019 |
| Horgan Kevin | Chief Medical Officer and EVP | filed 2018 - 2019 |
| Trucksis Michele | See Remarks | filed 2015 - 2018 |
| Hashad Wael | EVP & Chief Commercial Officer | filed 2016 - 2017 |
About this record
From the SEC's insider-transaction filings (Forms 3, 4 and 5). Every reporting director and officer carries a Commission-assigned identifier (CIK), so these footprints are identifier-verified - no name matching involved. Insiders file when they transact, so dates are filing dates: "last filed" never means "served until". This layer is not yet joined to the nonprofit register - identity joins ship only after independent review.
Source: SEC Insider Transactions Data Sets (Forms 3/4/5), US Federal Government public domain.