RA CAPITAL MANAGEMENT, L.P. - 26 Sep 2025 SCHEDULE 13D/A Report for PEPGEN INC. Common stock, par value $0.0001 per share (PEPG)

Filing Manager
RA CAPITAL MANAGEMENT, L.P.
Reporting Manager
RA Capital Management, L.P.
Security
PEPGEN INC. Common stock, par value $0.0001 per share
Symbol
PEPG
Shares outstanding
68,834,771 shares
Disclosed Ownership
20,099,753 shares
Ownership
29%
Form type
SCHEDULE 13D/A
Filing time
30 Sep 2025, 16:36:47 UTC
Date of event
26 Sep 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
RA Capital Management, L.P. 29% 20,099,753 0 20,099,753 /s/ Peter Kolchinsky By Peter Kolchinsky, Authorized Signatory 0001346824
Peter Kolchinsky 29% 20,099,753 0 20,099,753 /s/ Peter Kolchinsky Peter Kolchinsky 0001384859
Rajeev Shah 29% 20,099,753 0 20,099,753 /s/ Rajeev Shah Rajeev Shah 0001619841
RA Capital Healthcare Fund, L.P. 27% 18,554,273 0 18,554,273 /s/ Peter Kolchinsky By RA Capital Healthcare Fund GP, LLC, its General Partner, By Peter Kolchinsky, Manager 0001315082