PepGen Inc.
Total Trades
34
Buys
9
Sells
14
Largest Trade
N/A
Insiders
10
Institutional Funds
57
Inst. Value
$1M+
Activist Filings
29
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| STRECK PAUL | EVP, Head of R&D | SELL | $1K–$15K | 2K | $6.23 | Mar 6, 2026 |
| Donnelly Noel | CFO | SELL | $1K–$15K | 2K | $6.23 | Mar 6, 2026 |
| McArthur James G | President and CEO | SELL | $15K–$50K | 5K | $6.23 | Mar 6, 2026 |
| Oxford Science Enterprises plc | Insider | BUY | $500K+ | 200K | $3.20 | Oct 1, 2025 |
| RA CAPITAL MANAGEMENT, L.P. | Director | BUY | $1M+ | 9.4M | $3.20 | Sep 30, 2025 |
| STRECK PAUL | EVP, Head of R&D | BUY | $1K–$15K | 8K | $1.24 | Jun 2, 2025 |
| McArthur James G | President and CEO | BUY | $1K–$15K | 10K | $1.35 | Apr 22, 2025 |
| McArthur James G | President and CEO | BUY | $15K–$50K | 42K | $1.15 | Apr 9, 2025 |
| DeLena Mary Beth | General Counsel | SELL | $1K–$15K | 1K | $1.68 | Feb 27, 2025 |
| DeLena Mary Beth | General Counsel | GRANT | N/A | 3K | — | Feb 27, 2025 |
| Donnelly Noel | CFO | GRANT | N/A | 3K | — | Feb 27, 2025 |
| Donnelly Noel | CFO | SELL | $1K–$15K | 2K | $1.68 | Feb 27, 2025 |
| Mellion Michelle L | Chief Medical Offi… | SELL | $15K–$50K | 912 | $18.01 | Jul 3, 2024 |
| Mellion Michelle L | Chief Medical Offi… | EXERCISE | $1K–$15K | 912 | $10.21 | Jul 3, 2024 |
| Mellion Michelle L | Chief Medical Offi… | SELL | $100K–$500K | 9K | $18.19 | Jun 26, 2024 |
| Mellion Michelle L | Chief Medical Offi… | EXERCISE | $50K–$100K | 9K | $10.21 | Jun 26, 2024 |
| Mellion Michelle L | Chief Medical Offi… | SELL | $15K–$50K | 2K | $18.06 | Jun 13, 2024 |
| Mellion Michelle L | Chief Medical Offi… | EXERCISE | $15K–$50K | 2K | $10.21 | Jun 13, 2024 |
| Mellion Michelle L | SVP | EXERCISE | $50K–$100K | 9K | $10.21 | Jun 7, 2024 |
| Mellion Michelle L | SVP | SELL | $100K–$500K | 9K | $18.08 | Jun 7, 2024 |
| RA CAPITAL MANAGEMENT, L.P. | Director | BUY | $1M+ | 2.6M | $10.64 | Feb 13, 2024 |
| McArthur James G | President and CEO | EXERCISE | $1K–$15K | 2K | $2.71 | Jun 9, 2023 |
| McArthur James G | President and CEO | SELL | $15K–$50K | 2K | $16.04 | Jun 9, 2023 |
| McArthur James G | President and CEO | EXERCISE | $50K–$100K | 27K | $2.71 | Jun 8, 2023 |
| McArthur James G | President and CEO | SELL | $100K–$500K | 27K | $16.19 | Jun 8, 2023 |
| McArthur James G | President and CEO | SELL | $15K–$50K | 2K | $16.04 | Jun 6, 2023 |
| McArthur James G | President and CEO | EXERCISE | $1K–$15K | 2K | $2.71 | Jun 6, 2023 |
| Goyal Jaya | EVP | SELL | $1K–$15K | 392 | $20.00 | Mar 28, 2023 |
| Goyal Jaya | EVP | EXERCISE | $1K–$15K | 392 | $10.88 | Mar 28, 2023 |
| Goyal Jaya | EVP | EXERCISE | $50K–$100K | 6K | $10.88 | Feb 8, 2023 |
| Goyal Jaya | EVP | SELL | $100K–$500K | 6K | $17.12 | Feb 8, 2023 |
| KEATING LAURIE | Director | BUY | $15K–$50K | 4K | $12.00 | Jan 19, 2023 |
| RA CAPITAL MANAGEMENT, L.P. | Director | BUY | $1M+ | 3.2M | $12.00 | May 12, 2022 |
| Flynn James E | 10% Owner | BUY | $1M+ | 417K | $12.00 | May 10, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 57 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 20.1M | $1M+ | SH |
| VIKING GLOBAL INVESTORS LP | 3.5M | $1M+ | SH |
| Vivo Capital, LLC | 2.3M | $1M+ | SH |
| Point72 Asset Management, L.P. | 2.3M | $1M+ | SH |
| Laurion Capital Management LP | 2.1M | $1M+ | SH |
| VANGUARD GROUP INC | 1.9M | $1M+ | SH |
| Nantahala Capital Management, LLC | 1.5M | $1M+ | SH |
| Pictet Asset Management Holding SA | 1.4M | $1M+ | SH |
| AWM Investment Company, Inc. | 1.3M | $1M+ | SH |
| BALYASNY ASSET MANAGEMENT L.P. | 866K | $1M+ | SH |
| PERCEPTIVE ADVISORS LLC | 830K | $1M+ | SH |
| Siren, L.L.C. | 700K | $1M+ | SH |
| Octagon Capital Advisors LP | 700K | $1M+ | SH |
| Ikarian Capital, LLC | 447K | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 444K | $1M+ | SH |
| Walleye Capital LLC | 256K | $1M+ | SH |
| GOLDMAN SACHS GROUP INC | 242K | $1M+ | SH |
| STATE STREET CORP | 217K | $1M+ | SH |
| Artia Global Partners LP | 205K | $1M+ | SH |
| Polymer Capital Management (HK) LTD | 160K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Point72 Asset Management, L.P.
SC 13G/A · Nov 14, 2025
3.0%
2.1M shares
SC 13G · Oct 3, 2025
5.1%
3.5M shares
Oxford Science Enterprises plc
SC 13G/A · Oct 1, 2025
7.2%
5.0M shares
SC 13D/A · Sep 30, 2025
29.2%
20.1M shares
SUVRETTA CAPITAL MANAGEMENT, LLC
SC 13G/A · Aug 14, 2025
0.9%
300K shares
Point72 Asset Management, L.P.
SC 13G/A · May 15, 2025
8.2%
2.7M shares
SC 13G/A · May 15, 2025
0.0%
0 shares
Point72 Asset Management, L.P.
SC 13G · Feb 28, 2025
5.7%
1.9M shares
SC 13G/A · Feb 14, 2025
1.6%
522K shares
SC 13G · Feb 14, 2025
9.8%
3.2M shares
Suvretta Capital Management, LLC
SC 13G · Feb 7, 2025
5.1%
1.7M shares
SUVRETTA CAPITAL MANAGEMENT, LLC
SC 13G/A · Feb 7, 2025
3.6%
1.2M shares
SC 13G/A · Nov 14, 2024
4.5%
1.5M shares
Janus Henderson Group plc EIN #00-0000000
SC 13G · Nov 14, 2024
7.2%
2.3M shares
SC 13G/A · Nov 12, 2024
3.8%
1.2M shares
Suvretta Capital Management, LLC
SC 13G · Aug 12, 2024
5.1%
1.7M shares
Oxford Science Enterprises plc No I.R.S. Identification Number
SC 13G · Apr 9, 2024
14.7%
4.8M shares
SC 13D/A · Mar 11, 2024
33.1%
10.7M shares
SC 13G/A · Feb 14, 2024
6.2%
1.5M shares
SC 13D/A · Feb 13, 2024
34.1%
10.7M shares
SC 13G/A · Dec 11, 2023
3.1%
738K shares
SC 13G/A · Feb 14, 2023
6.5%
1.5M shares
SC 13G/A · Feb 10, 2023
10.9%
2.6M shares
SC 13G/A · Jan 17, 2023
5.3%
1.2M shares
SC 13D/A · Jun 23, 2022
34.4%
8.1M shares
SC 13D · May 20, 2022
36.3%
8.1M shares
SC 13G · May 20, 2022
8.0%
1.8M shares
SC 13G · May 13, 2022
5.6%
1.3M shares
SC 13G · May 10, 2022
2.1%
477K shares