PepGen Inc.

Last updated September 27, 2026
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Organization details

Legal name
PepGen Inc.
Ownership
Public
Status
Active
SIC code
2834 — Pharmaceutical Preparations
Jurisdiction of incorporation
Delaware
Headquarters city
Boston
Headquarters state / province
Massachusetts
Headquarters country
United States
Fiscal year end
December
Ticker symbol
PEPG
Primary stock exchange
Nasdaq

Identifiers

SEC CIK
0001835597

Board of directors

Follow this board

Chief executives

James G. McArthur · President and CEO
Dates unknown

Director election results

Annual meeting of June 18, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

6 of this board's directors also sit on 30 other boards.

Network of PepGen Inc.'s board connections Jade Biosciences Inc. Jade Biosciences Inc. Sionna Therapeutics Inc. Sionna Therapeutics In... SpyGlass Pharma Inc. SpyGlass Pharma Inc. Tyra Biosciences Inc. Tyra Biosciences Inc. Vor Biopharma Inc. Vor Biopharma Inc. ARS Pharmaceuticals Inc. ARS Pharmaceuticals In... Acrivon Therapeutics Inc. Acrivon Therapeutics I... Acumen Pharmaceuticals Inc. Acumen Pharmaceuticals... Artiva Biotherapeutics Inc. Artiva Biotherapeutics... Bicara Therapeutics Inc. Bicara Therapeutics In... Black Diamond Therapeutics Inc. Black Diamond Therapeu... Climb Bio Inc. Climb Bio Inc. Evommune Inc. Evommune Inc. Freenome Inc. Freenome Inc. Hemab Therapeutics Holdings Inc. Hemab Therapeutics Hol... Janux Therapeutics Inc. Janux Therapeutics Inc... Habib J. Dable Habib J. Dable Joshua Resnick Joshua Resnick Peter Kolchinsky Peter Kolchinsky Rajeev M. Shah Rajeev M. Shah PepGen Inc.
Shared director Other board Same sector +14 more in the list below

Insider trades

All notable trades →

From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.

Bought, last 12 months
$640,000
1 purchase by 1 insider
Sold, last 12 months
$59,312
7 sales by 4 insiders
Date Insider Transaction Shares Price Value
May 21, 2026 Kasraian Kasra Officer (Chief Technical Officer) Open-market sale −1,233 $1.41 $1,739
Mar 4, 2026 STRECK PAUL Officer (EVP, Head of R&D) Open-market sale −1,832 $6.23 $11,413
Mar 4, 2026 Donnelly Noel Officer (Chief Financial Officer) Open-market sale −2,032 $6.23 $12,659
Mar 4, 2026 James G. McArthur Director, Officer (President and CEO) Open-market sale −5,144 $6.23 $32,047
Mar 4, 2026 STRECK PAUL Officer (EVP, Head of R&D) Open-market sale −47 $6.29 $296
Mar 4, 2026 Donnelly Noel Officer (Chief Financial Officer) Open-market sale −52 $6.33 $329
Mar 4, 2026 James G. McArthur Director, Officer (President and CEO) Open-market sale −131 $6.33 $829
Mar 1, 2026 Vittiglio Joseph Officer (Chief Business & Legal Officer) Grant or award +30,717 — —
Mar 1, 2026 Kasraian Kasra Officer (Chief Technical Officer) Grant or award +34,557 — —
Mar 1, 2026 STRECK PAUL Officer (EVP, Head of R&D) Grant or award +50,300 — —
Mar 1, 2026 Donnelly Noel Officer (Chief Financial Officer) Grant or award +76,793 — —
Mar 1, 2026 James G. McArthur Director, Officer (President and CEO) Grant or award +187,688 — —
Dec 8, 2025 Vittiglio Joseph Officer (Chief Business & Legal Officer) Grant or award +35,000 — —
Sep 30, 2025 Oxford Science Enterprises plc Former 10% Owner Open-market purchase +200,000 $3.20 $640,000
Sep 26, 2025 RA Capital Healthcare Fund LP Director, 10% owner Open-market purchase +9,375,000 $3.20 $30,000,000

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