# EDGAR Filing Document

**Accession Number:** 0001835597
**File Stem:** 9999999995-26-001734
**Filing Date:** 2026-5
**Character Count:** 1259
**Document Hash:** 60fb2190d7cc32d340e129c0dce010e1
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-26-001734.hdr.sgml**: 20260522

**ACCESSION NUMBER**: 9999999995-26-001734

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20260521

**DATE AS OF CHANGE**: 20260522

**EFFECTIVENESS DATE**: 20260521

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PepGen Inc.
- **CENTRAL INDEX KEY:** 0001835597
- **STANDARD INDUSTRIAL CLASSIFICATION:** PHARMACEUTICAL PREPARATIONS [2834]
- **ORGANIZATION NAME:** 03 Life Sciences
- **EIN:** 000000000
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-296016
- **FILM NUMBER:** 261010639

**BUSINESS ADDRESS:**
- **STREET 1:** 1 MARINA PARK DRIVE, SUITE 900
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 703-456-8000

**MAIL ADDRESS:**
- **STREET 1:** 1 MARINA PARK DRIVE, SUITE 900
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** May 21, 2026

**Time:** 16:00:00

**Form Type:** S-3

---

**CIK:** 0001835597

**Company Name:** PepGen Inc.

**File Number:** 333-296016