According to recent filings covering the 90 days ending February 19, 2026, the three most significant insider holders at PepGen are Director Capital Management, L.P. Ra (18.55Mn shares), Other Science Enterprises Plc Oxford (4.96Mn shares), TenPercentOwner James E Flynn (476.81K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Capital Management, L.P. Ra | 18,554,273 | 30 Sep, 2025 | |
| Science Enterprises Plc Oxford | 4,955,388 | 01 Oct, 2025 | |
| James E Flynn | 476,813 | 10 May, 2022 | |
| James G Mcarthur | President And Ceo | 113,913 | 22 Apr, 2025 |
| Joseph Vittiglio | Chief Business & Legal Officer | 35,000 | 10 Dec, 2025 |
| Paul Streck | Evp And Head Of R&D | 27,805 | 02 Jun, 2025 |
| Noel Donnelly | Chief Financial Officer | 24,956 | 05 Mar, 2025 |
| Kasra Kasraian | Chief Technical Officer | 16,750 | 21 May, 2025 |
| Mary Beth Delena | General Counsel | 14,968 | 05 Mar, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 08 Dec, 2025 | Joseph Vittiglio | Common Stock | A | 35,000 | $0.00 | 35,000 | D | A |
| 30 Sep, 2025 | Science Enterprises Plc Oxford | Common Stock | A | 200,000 | $3.20 | 4,955,388 | D | P |
| 30 Sep, 2025 | Science Enterprises Plc Oxford | - | - | 4,955,388 | D | |||
| 26 Sep, 2025 | Capital Management, L.P. Ra | - | - | 18,554,273 | I | |||
| 26 Sep, 2025 | Capital Management, L.P. Ra | Common Stock | A | 9,375,000 | $3.20 | 18,554,273 | I | P |
| 30 May, 2025 | Paul Streck | - | - | 27,805 | D | |||
| 30 May, 2025 | Paul Streck | Common Stock | A | 8,375 | $1.24 | 27,805 | D | P |
| 20 May, 2025 | Kasra Kasraian | Common Stock | A | 16,750 | $0.00 | 16,750 | D | A |
| 20 May, 2025 | Kasra Kasraian | - | - | 16,750 | D | |||
| 17 Apr, 2025 | James G Mcarthur | Common Stock | A | 10,000 | $1.36 | 113,913 | D | P |
| 08 Apr, 2025 | James G Mcarthur | - | - | 103,913 | D | |||
| 08 Apr, 2025 | James G Mcarthur | Common Stock | A | 41,500 | $1.15 | 103,913 | D | P |
| 03 Mar, 2025 | Mary Beth Delena | Common Stock | A | 13,400 | $0.00 | 14,968 | D | A |
| 03 Mar, 2025 | Paul Streck | Common Stock | A | 19,430 | $0.00 | 19,430 | D | A |
| 03 Mar, 2025 | James G Mcarthur | Common Stock | A | 60,719 | $0.00 | 62,413 | D | A |
| 03 Mar, 2025 | Noel Donnelly | Common Stock | A | 23,283 | $0.00 | 24,956 | D | A |
| 26 Feb, 2025 | Mary Beth Delena | - | - | 1,568 | D | |||
| 26 Feb, 2025 | Mary Beth Delena | Common Stock | D | 1,432 | $1.68 | 1,568 | D | S |
| 26 Feb, 2025 | Noel Donnelly | Common Stock | D | 1,527 | $1.68 | 1,673 | D | S |
| 24 Feb, 2025 | Mary Beth Delena | Common Stock | A | 3,000 | $0.00 | 3,000 | D | A |