Spero Therapeutics, Inc.
SEC CIK 1701108 · SPRO · last insider filing 2026-06-25
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Thomas Frank E | Director | filed 2017 - 2026 |
| Pottage John C Jr | Director | filed 2018 - 2026 |
| Deshpande Milind | Director | filed 2017 - 2026 |
| Vink Patrick V.J.J. | Director | filed 2017 - 2026 |
| Jackson Scott Thomas | Director | filed 2020 - 2026 |
| Smith Cynthia | Director | filed 2019 - 2026 |
| Tregoning Kathleen | Director | filed 2021 - 2026 |
| Mahadevia Ankit | Director · See Remarks | filed 2017 - 2025 |
| Shukla Sath | Director · Chief Financial Officer | filed 2021 - 2025 |
| Formela Jean Francois | Director | filed 2017 - 2021 |
| Southwell David P | Director | filed 2018 - 2018 |
| Breum Casper | Director | filed 2017 - 2018 |
| Goyal Vikas | Director | filed 2017 - 2017 |
| Halse Reza | Director | filed 2017 - 2017 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Rajavelu Esther | See Remarks | filed 2023 - 2026 |
| Keutzer Timothy | Chief Operating Officer | filed 2020 - 2026 |
| Joseph Tamara L | Chief Legal Officer | filed 2020 - 2024 |
| Hamed Kamal | Chief Medical Officer | filed 2022 - 2024 |
| Dipalma Stephen J. | See Remarks | filed 2019 - 2023 |
| Larkin Cristina | Chief Operating Officer | filed 2017 - 2022 |
| Melnick David A. | Chief Medical Officer | filed 2018 - 2022 |
| Parr Thomas R JR | Chief Scientific Officer | filed 2017 - 2019 |
| Sendek Joel | Chief Financial Officer | filed 2017 - 2019 |
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.