Pepgen Inc

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Pepgen Inc
TickerPEPG
CIK #0001835597
CUSIP713317105
SectorLife Sciences - Pharmaceutical Preparations
Address1 Marina Park Drive, Suite 900, Boston, MA 02210
Source [EDGAR]
Reg D Offering (Form D) Filed Raised Terms
Pepgen Inc 2021-08-06 112.5 M Exemption: 506(b) · Duration: One year or less · Revenue: Decline to Disclose
CIK Filing 2011 - 2026
[0001835597] 10-K
[0001835597] 10-Q
[0001835597] 3
[0001835597] 4
[0001835597] 8-K
[0001835597] D
[0001835597] SC 13D
[0001835597] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Commodore Capital LP Pepgen Inc [2026-03-11] 0.0
Viking Global Investors LP Pepgen Inc [2025-10-03] 0.0
Point72 Asset Management LP Pepgen Inc [2025-02-28] 0.0
RTW Investments LP Pepgen Inc [2025-02-14] 0.0
Suvretta Capital Management LLC Pepgen Inc [2025-02-07] 0.0
Janus Henderson Group PLC Pepgen Inc [2024-11-14] 7.2
Suvretta Capital Management LLC Pepgen Inc [2024-08-12] 5.1
Oxford Science Enterprises PLC Pepgen Inc [2024-04-09] 14.7
FMR LLC Pepgen Inc [2023-02-09] 0.0
Viking Global Investors LP Pepgen Inc [2022-05-20] 8.0
RA Capital Management LP Pepgen Inc [2022-05-20] 36.3
Qatar Investment Authority Pepgen Inc [2022-05-13] 5.59
Flynn James E Pepgen Inc [2022-05-10] 2.13
Form 3/4/5 Filer 2011 - 2026
PepGen Inc
Keating Laurie
Wyman Lisa
Shah Rajeev M
RA Capital Healthcare Fund LP
RA Capital Nexus Fund II LP
RA Capital Management LP
Kolchinsky Peter
Resnick Joshua
Mayer Howard
Finer Mitchell H
Dable Habib J
Henson Heidi
Kasraian Kasra
McArthur James G
Streck Paul
Donnelly Noel
Vittiglio Joseph
Oxford Science Enterprises PLC
DeLena Mary Beth
Mellion Michelle L
Ashton Christopher
Svenstrup Niels
Goyal Jaya
Deerfield Mgmt V LP
Deerfield Management Company LP
Deerfield Capital LP
Deerfield Private Design Fund V LP
Deerfield Partners LP
Flynn James E
Bracegirdle Sonia
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
McArthur James G
Common Stock
2026-03-04 Sell 5,144 $6.23 32,047
McArthur James G
Common Stock
2026-03-04 Sell 131 $6.33 829
Streck Paul
Common Stock
2026-03-04 Sell 47 $6.29 296
Streck Paul
Common Stock
2026-03-04 Sell 1,832 $6.23 11,413
Donnelly Noel
Common Stock
2026-03-04 Sell 2,032 $6.23 12,659
Donnelly Noel
Common Stock
2026-03-04 Sell 52 $6.33 329
McArthur James G
Stock Option (Right to Buy) · derivative
2026-03-01 Grant 731,250 $0.00
Streck Paul
Common Stock
2026-03-01 Grant 50,300 $0.00
McArthur James G
Common Stock
2026-03-01 Grant 187,688 $0.00
Vittiglio Joseph
Stock Option (Right to Buy) · derivative
2026-03-01 Grant 120,000 $0.00
Kasraian Kasra
Stock Option (Right to Buy) · derivative
2026-03-01 Grant 135,000 $0.00
Streck Paul
Stock Option (Right to Buy) · derivative
2026-03-01 Grant 196,500 $0.00
Donnelly Noel
Stock Option (Right to Buy) · derivative
2026-03-01 Grant 300,000 $0.00
Kasraian Kasra
Common Stock
2026-03-01 Grant 34,557 $0.00
Donnelly Noel
Common Stock
2026-03-01 Grant 76,793 $0.00
Vittiglio Joseph
Common Stock
2026-03-01 Grant 30,717 $0.00
Vittiglio Joseph
Common Stock
2025-12-08 Grant 35,000 $0.00
Vittiglio Joseph
Stock Option (Right to Buy) · derivative
2025-12-08 Grant 160,000 $0.00
Donnelly Noel
Stock Option (Right to Buy) · derivative
2025-11-04 Grant 203,339 $0.00
Donnelly Noel
Stock Option (Right to Buy) · derivative
2025-11-04 Disposed to issuer 203,339 $0.00
showing 20 of 200 most recent transactions
13F Ownership Over TimeHoldersShares Held
2026-03-31 95 57,749,191
2025-12-31 88 58,240,958
2025-09-30 74 57,983,224
2025-06-30 52 23,224,879
2025-03-31 73 25,418,077
2024-12-31 62 25,013,845
2024-09-30 63 25,360,841
2024-06-30 62 25,155,986
2024-03-31 57 24,758,733
2023-12-31 43 16,248,677
2023-09-30 44 16,622,522
2023-06-30 45 17,094,767
Form 13F Holdings
Firm Period DFND Voting Shares
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