Sema4 Holdings Corp.
SEC CIK 1818331 · WGS · last insider filing 2026-06-23
Directors (from insider filings)
| Name | Capacity as filed | Filings |
|---|---|---|
| Pfenniger Richard C JR | Director | filed 2022–2026 |
| Meister Keith A. | Director | filed 2020–2026 |
| Casdin Eli | Director · Chief Executive Officer | filed 2020–2026 |
| Ryan Jason | Director · Executive Chairman | filed 2021–2026 |
| Leproust Emily M. | Director | filed 2020–2026 |
| Fuchs Thomas | Director | filed 2025–2026 |
| Ruch Joshua | Director | filed 2021–2026 |
| Stueland Katherine | Director · Chief Executive Officer | filed 2022–2026 |
| Casdin Partners GP, LLC | Director | filed 2023–2026 |
| Casdin Capital, LLC | Director | filed 2023–2026 |
| Casdin Partners Master Fund, L.P. | Director | filed 2023–2026 |
| Corvex Management LP | Director | filed 2023–2026 |
| Casdin Partners FO1-MSV, LP | Director | filed 2023–2024 |
| Sherman Rachel E. | Director | filed 2021–2023 |
| Pellini Michael J | Director | filed 2021–2022 |
| Schadt Eric | Director · President & Chief R&D Officer | filed 2021–2022 |
| Turner Nat | Director | filed 2020–2022 |
| Charney Dennis | Director | filed 2021–2021 |
| George Sean E | Director | filed 2020–2020 |
| Islam Munib | Director | filed 2020–2020 |
Officers (from insider filings)
| Name | Title as filed | Filings |
|---|---|---|
| Feeley Kevin | Chief Financial Officer | filed 2022–2026 |
| Gardner Mark A | President | filed 2026–2026 |
| Dechairo Bryan | Chief Operating Officer | filed 2025–2026 |
| Saad Kareem | Chief Transformation Officer | filed 2021–2024 |
| White Karen Ann | Chief People Officer | filed 2021–2023 |
| Ro Isaac | Former CFO | filed 2021–2023 |
| Assad Shawn | Chief Accounting Officer | filed 2021–2023 |
| Prentice Anthony | Chief Product Officer | filed 2021–2023 |
| Clark Daniel Emmett | Secretary and General Counsel | filed 2021–2023 |
| Miao Richard | Interim CFO | filed 2022–2023 |
| Coffin James | President and COO | filed 2021–2021 |
| Rodriguez Shaun | Chief Strategy Officer | filed 2020–2020 |
| Emes Brian | CFO and Secretary | filed 2020–2020 |
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.