PepGen Inc. (PEPG)
Nasdaq: PEPG · Pharmaceutical Preparations · Boston, MA · filing with the SEC since 2020
Who runs PepGen Inc.
Officers and directors as they report to the SEC on Forms 3, 4 and 5, named as filedChief executive, as filed
Mcarthur James G
President and CEO. First filing May 2022, latest Mar 6, 2026, 7 filings in all.
Officers reporting now
5
of 17 people with a filing in the last fifteen months
Directors reporting now
12
23 people on the record since 2022
Officerssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Title as filed | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Kasraian Kasra | Chief Technical Officer | May 2025 | May 26, 2026 | 1 · $0.00 |
| Mcarthur James G | President and CEO | May 2022 | Mar 6, 2026 | 2 · $0.00 |
| Donnelly Noel | Chief Financial Officer | May 2022 | Mar 6, 2026 | 2 · $0.00 |
| Streck Paul | EVP, Head of R&D | Aug 2024 | Mar 6, 2026 | 2 · $0.00 |
| Vittiglio Joseph | Chief Business & Legal Officer | Dec 2025 | Mar 2, 2026 | none |
Directorssales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Dable Habib J | director | Sep 2022 | Jun 22, 2026 | none |
| Finer Mitchell H. | director | Mar 2025 | Jun 22, 2026 | none |
| Henson Heidi | director | May 2022 | Jun 22, 2026 | none |
| Keating Laurie | director | May 2022 | Jun 22, 2026 | none |
| Kolchinsky Peter | director | May 2022 | Jun 22, 2026 | none |
| Mayer Howard | director | Nov 2023 | Jun 22, 2026 | none |
| Ra Capital Healthcare Fund LP | director | May 2022 | Jun 22, 2026 | none |
| Ra Capital Management, L.P. | director | May 2022 | Jun 22, 2026 | none |
| Ra Capital Nexus Fund II, L.P. | director | May 2022 | Jun 22, 2026 | none |
| Resnick Joshua | director | May 2022 | Jun 22, 2026 | none |
| Shah Rajeev M. | director | May 2022 | Jun 22, 2026 | none |
| Wyman Lisa | director | Mar 2025 | Jun 22, 2026 | none |
Owners of more than 10% of a classsales are open-market, Sep 30, 2025 to Sep 30, 2026
| Name | Role | First filing | Latest filing | Sales, 12 months |
|---|---|---|---|---|
| Oxford Science Enterprises PLC | 10% owner | May 2022 | Oct 1, 2025 | none |
Earlier names on the record12, newest filing first
Delena Mary Beth · officer · last filing Mar 2025Mellion Michelle L · officer · last filing Jul 2024Ashton Christopher · director · last filing Jun 2024Svenstrup Niels · officer · last filing May 2024Goyal Jaya · officer · last filing Mar 2023Bracegirdle Sonia · officer · last filing May 2022Deerfield Management Company, L.P. (Series C) · 10% owner · last filing May 2022Deerfield Mgmt L.P. · 10% owner · last filing May 2022Deerfield Mgmt V, L.P. · 10% owner · last filing May 2022Deerfield Partners, L.P. · 10% owner · last filing May 2022Deerfield Private Design Fund V, L.P. · 10% owner · last filing May 2022Flynn James E · 10% owner · last filing May 2022
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.