PepGen Inc. — Director's Dealing 2025

Dec 10, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PepGen Inc. (PEPG)
CIK: 0001835597
Period of Report: 2025-12-08

Reporting Person: Vittiglio Joseph (Chief Business & Legal Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-12-08	Common Stock	A	35000	—	Acquired	35000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-12-08	Stock Option (Right to Buy)	$5.59	A	160000	Acquired	2035-12-07	Common Stock (160000)	Direct

Footnotes

F1: Consists of shares of Common Stock issuable under 35,000 restricted stock units ("RSUs"). Each RSU represents the right to receive one share of Common Stock upon vesting. These RSUs are scheduled to vest in equal annual installments over four years with the first installment vesting on December 8, 2026, subject to the Reporting Person's continued service or employment with the Company on each applicable vesting date.

F2: This option shall vest as follows: twenty-five percent (25%) on the one-year anniversary of the Grant Date and the remainder vesting in thirty-six (36) equal monthly installments, subject to the Reporting Person's continued service or employment with the Company on each applicable vesting date.