PepGen Inc. (PEPG) Insider Ownership

Historic Insider Ownership Trends

PEPG's three largest insider shareholders as of March 23, 2026 are Science Enterprises Plc Oxford (Other, 4.96Mn shares), James G Mcarthur (President And Ceo, 296.33K shares), Noel Donnelly (Chief Financial Officer, 111.60K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Science Enterprises Plc Oxford 4,955,388 0 01 Oct, 2025
James G Mcarthur President And Ceo 296,326 0 06 Mar, 2026
Noel Donnelly Chief Financial Officer 111,603 0 06 Mar, 2026
Paul Streck Evp, Head Of Rd 76,226 0 06 Mar, 2026
Joseph Vittiglio Chief Business Legal Officer 65,717 0 02 Mar, 2026
Kasra Kasraian Chief Technical Officer 51,307 0 02 Mar, 2026
Mary Beth Delena General Counsel 14,968 0 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.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
04 Mar, 2026 Paul Streck Common Stock D 1,832 $6.23 76,273 D S
04 Mar, 2026 Noel Donnelly Common Stock D 2,032 $6.23 111,655 D S
04 Mar, 2026 James G Mcarthur Common Stock D 5,144 $6.23 296,457 D S
04 Mar, 2026 Noel Donnelly Common Stock D 52 $6.33 111,603 D S
04 Mar, 2026 Paul Streck Common Stock D 47 $6.29 76,226 D S
04 Mar, 2026 James G Mcarthur Common Stock D 131 $6.33 296,326 D S
01 Mar, 2026 James G Mcarthur Common Stock A 187,688 $0.00 301,601 D A
01 Mar, 2026 Paul Streck Common Stock A 50,300 $0.00 78,105 D A
01 Mar, 2026 Joseph Vittiglio Common Stock A 30,717 $0.00 65,717 D A
01 Mar, 2026 Kasra Kasraian Common Stock A 34,557 $0.00 51,307 D A
01 Mar, 2026 Noel Donnelly Common Stock A 76,793 $0.00 113,687 D A
01 Mar, 2026 Noel Donnelly Stock Option (Right to Buy) A 300,000 $0.00 300,000 D A
01 Mar, 2026 Kasra Kasraian Stock Option (Right to Buy) A 135,000 $0.00 135,000 D A
01 Mar, 2026 Paul Streck Stock Option (Right to Buy) A 196,500 $0.00 196,500 D A
01 Mar, 2026 Joseph Vittiglio Stock Option (Right to Buy) A 120,000 $0.00 120,000 D A
01 Mar, 2026 James G Mcarthur Stock Option (Right to Buy) A 731,250 $0.00 731,250 D A
04 Nov, 2025 Paul Streck Stock Option (Right to Buy) D 202,816 $0.00 40,000 D D
04 Nov, 2025 Noel Donnelly Stock Option (Right to Buy) D 203,339 $0.00 0 D D
04 Nov, 2025 James G Mcarthur Stock Option (Right to Buy) D 352,705 $0.00 0 D D
04 Nov, 2025 Paul Streck Stock Option (Right to Buy) A 202,816 $0.00 202,816 D A