ProKidney Corp. (PROK)
Nasdaq: PROK · Biological Products, (No Diagnostic Substances) · Winston-Salem, NC · filing with the SEC since 2021
Who runs ProKidney Corp.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Culleton Bruce
Chief Executive Officer. First filing Jul 2023, latest Nov 3, 2026, 0 filings in all.
Officers reporting now
5
of 12 people with a filing in the last fifteen months
Directors reporting now
7
25 people on the record since 2021
Officerssales are open-market, Nov 3, 2025 to Nov 3, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Culleton Bruce | Chief Executive Officer | Jul 2023 | Nov 3, 2026 | none |
| Weber Darin J. | Chief Regulatory Officer | Jul 2022 | Oct 30, 2026 | none |
| Locke Kenneth Thomas | Chief Technical Officer | Jun 2026 | Jul 6, 2026 | none |
| Girolamo Todd C | Chief Legal Officer | Jul 2022 | Jun 15, 2026 | none |
| Coulston James | Chief Financial Officer | Jul 2022 | Mar 3, 2026 | none |
Directorssales are open-market, Nov 3, 2025 to Nov 3, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Pereira Brian Jg | director | Jul 2022 | Aug 20, 2026 | 10 · $3.0M |
| Doyle William F | director | Jul 2022 | May 29, 2026 | none |
| Fox Jennifer A. | director | Jul 2022 | May 29, 2026 | none |
| Jimenez Santos Jose Ignacio | director | Jul 2022 | May 29, 2026 | none |
| Legorreta Pablo G. | director | Jul 2022 | May 29, 2026 | none |
| Lotvin Alan | director | Jul 2022 | May 29, 2026 | none |
| Sinha Uma | director | Sep 2021 | May 29, 2026 | none |
Owners of more than 10% of a classsales are open-market, Nov 3, 2025 to Nov 3, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Control Empresarial De Capitales S.A. De C.V. | 10% owner | Jul 2022 | Apr 30, 2026 | none |
Earlier names on the record17, newest filing first
Cowen Aaron · 10% owner · last filing Jul 2025Tolerantia, LLC · 10% owner · last filing Jun 2025Ernst Ulrich Peter Alfred · officer · last filing Apr 2024Palihapitiya Chamath · officer · last filing Nov 2023Sc Master Holdings, LLC · 10% owner · last filing Nov 2023Sc Pipe Holdings LLC · 10% owner · last filing Nov 2023Maraganore John · director · last filing Jul 2023Bertram Timothy · officer · last filing Jan 2023Jain Deepak · officer · last filing Jan 2023Mckenzie Libbie Parker · officer · last filing Jan 2023Weger Mary · officer · last filing Jan 2023Scs Sponsor III LLC · director · last filing Jul 2022Mehta Kishan · officer · last filing Jul 2022Chachacha Dna III, LLC · director · last filing Jul 2022Ryans James · officer · last filing Jun 2021Katz Shoney · officer · last filing Jun 2021Semigran Marc · director · last filing Jun 2021
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.