Key facts
- RA CAPITAL MANAGEMENT, L.P. filed SCHEDULE 13D/A for PEPGEN INC. Common stock, par value $0.0001 per share (PEPG).
- Disclosed ownership: 29%.
- Date of event: 26 Sep 2025.
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 owner
- RA Capital Management, L.P.
- Symbol
- PEPG
- Shares outstanding
- 68,834,771 shares
- Disclosed shares
- 20,099,753 shares
- Disclosed ownership percentage
- 29%
- Form type
- SCHEDULE 13D/A
- Filing time
- 30 Sep 2025, 16:36:47 UTC
- Event date
- 26 Sep 2025
- SEC filing
- View on sec.gov
Reporting parties
2 facts
Subject security
3 facts
Ownership signal
2 facts
SEC evidence
4 facts
Key filing fact
RA CAPITAL MANAGEMENT, L.P. disclosed 29% ownership in PEPGEN INC. Common stock, par value $0.0001 per share (PEPG) on 26 Sep 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 30 Sep 2025, 16:36.
Research use
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Reporting managers (4)
Names, ownership, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| 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 |
CIK / CUSIP context first