PepGen Inc.
PEPGHealthcare|Biotechnology|US
$2.47
+0.15 (+6.47%)
DCF Value
$1.01
Tangible Book / Share
$1.73
Cash / Share
$1.69
Ownership Breakdown
52.2%
Float
69.2M
Shares Outstanding
36.1M
Float Shares
Major Holders (30)
Combined: 226.8%
Holders of 5%+ from their latest Schedule 13D/13G filing in the last two years. Percentages are as of each filing date.
| Holder | Type | % of Class | Shares | Filed | Filing |
|---|---|---|---|---|---|
| Rajeev Shah | HC, IN | 29.20% | 20,099,753 | Sep 30, 2025 | 13D/G |
| Peter Kolchinsky | HC, IN | 29.20% | 20,099,753 | Sep 30, 2025 | 13D/G |
| RA Capital Management, L.P. | IA, PN | 29.20% | 20,099,753 | Sep 30, 2025 | 13D/G |
| RA Capital Healthcare Fund, L.P. | Partnership | 27.00% | 18,554,273 | Sep 30, 2025 | 13D/G |
| Oxford Science Enterprises plc | Corporation | 7.20% | 4,955,388 | Oct 1, 2025 | 13D/G |
| Janus Henderson Biotech Innovation Master Fund Ltd | Investment company | 6.60% | 2,140,595 | Nov 14, 2024 | 13D/G |
| Commodore Capital LP | IA, PN | 6.50% | 4,475,000 | May 15, 2026 | 13D/G |
| Michael Kramarz | HC, IN | 6.50% | 4,475,000 | May 15, 2026 | 13D/G |
| Robert Egen Atkinson | HC, IN | 6.50% | 4,475,000 | May 15, 2026 | 13D/G |
| Commodore Capital Master LP | Partnership | 6.50% | 4,475,000 | May 15, 2026 | 13D/G |
| Ott David C. | Individual | 5.10% | 3,482,434 | Oct 3, 2025 | 13D/G |
| Viking Global Investors LP | Partnership | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Viking Global Opportunities Parent GP LLC | Other | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Viking Global Opportunities GP LLC | Other | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Viking Global Opportunities Portfolio GP LLC | Other | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Viking Global Opportunities Illiquid Investments Sub-Master LP | Partnership | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Halvorsen Ole Andreas | Individual | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Shabet Rose Sharon | Individual | 5.03% | 3,482,434 | May 15, 2026 | 13D/G |
| Rose S. Shabet | Individual | 4.50% | 1,482,434 | Nov 14, 2024 | 13D/G |
| O. Andreas Halvorsen | Individual | 4.50% | 1,482,434 | Nov 14, 2024 | 13D/G |
| David C. Ott | Individual | 4.50% | 1,482,434 | Nov 14, 2024 | 13D/G |
| Qatar Investment Authority | Other | 3.82% | 1,243,951 | Nov 12, 2024 | 13D/G |
| Point72 Capital Advisors, Inc. | Corporation | 3.00% | 2,067,432 | Nov 14, 2025 | 13D/G |
| Point72 Asset Management, L.P. | Partnership | 3.00% | 2,067,432 | Nov 14, 2025 | 13D/G |
| Steven A. Cohen | Individual | 3.00% | 2,067,432 | Nov 14, 2025 | 13D/G |
| Janus Henderson Group PLC | IA, HC | 1.60% | 522,256 | Feb 14, 2025 | 13D/G |
| Kavra 16 LLC | Other | 1.50% | 1,030,680 | May 15, 2026 | 13D/G |
| Aaron Cowen | HC, IN | 0.90% | 300,000 | Aug 13, 2025 | 13D/G |
| Suvretta Capital Management, LLC | IA, OO | 0.90% | 300,000 | Aug 13, 2025 | 13D/G |
| Averill Master Fund, LTD. | Corporation | 0.90% | 300,000 | Aug 13, 2025 | 13D/G |
Insider Trades (100)
Last 4 quarters: 14,074,237 acquired · 2,035,155 disposed
| Insider | Position | Date | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | director, 10 percent owner: | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| Wyman Lisa | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| Resnick Joshua | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| Mayer Howard | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| Finer Mitchell H. | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| Dable Habib J | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| HENSON HEIDI | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| KEATING LAURIE | director | Jun 18, 2026 | AWARD | 34,000 | $1.79 | $60.9K | Form 4 |
| Kasraian Kasra | Chief Technical Officer | May 21, 2026 | SELL | 1,233 | $1.41 | $1.7K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Mar 4, 2026 | SELL | 1,832 | $6.23 | $11.4K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Mar 4, 2026 | SELL | 47 | $6.29 | $295.54 | Form 4 |
| Donnelly Noel | Chief Financial Officer | Mar 4, 2026 | SELL | 2,032 | $6.23 | $12.7K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Mar 4, 2026 | SELL | 52 | $6.33 | $328.90 | Form 4 |
| McArthur James G | director, officer: President and CEO | Mar 4, 2026 | SELL | 5,144 | $6.23 | $32.0K | Form 4 |
| McArthur James G | director, officer: President and CEO | Mar 4, 2026 | SELL | 131 | $6.33 | $828.58 | Form 4 |
| Vittiglio Joseph | Chief Business & Legal Officer | Mar 1, 2026 | AWARD | 120,000 | $6.22 | $746.4K | Form 4 |
| Vittiglio Joseph | Chief Business & Legal Officer | Mar 1, 2026 | AWARD | 30,717 | — | — | Form 4 |
| Kasraian Kasra | Chief Technical Officer | Mar 1, 2026 | AWARD | 135,000 | $6.22 | $839.7K | Form 4 |
| Kasraian Kasra | Chief Technical Officer | Mar 1, 2026 | AWARD | 34,557 | — | — | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Mar 1, 2026 | AWARD | 196,500 | $6.22 | $1.2M | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Mar 1, 2026 | AWARD | 50,300 | — | — | Form 4 |
| Donnelly Noel | Chief Financial Officer | Mar 1, 2026 | AWARD | 300,000 | $6.22 | $1.9M | Form 4 |
| Donnelly Noel | Chief Financial Officer | Mar 1, 2026 | AWARD | 76,793 | — | — | Form 4 |
| McArthur James G | director, officer: President and CEO | Mar 1, 2026 | AWARD | 731,250 | $6.22 | $4.5M | Form 4 |
| McArthur James G | director, officer: President and CEO | Mar 1, 2026 | AWARD | 187,688 | — | — | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Nov 4, 2025 | AWARD | 40,000 | $4.53 | $181.2K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Nov 4, 2025 | AWARD | 202,816 | $4.53 | $918.8K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Nov 4, 2025 | DISPOSED | 202,816 | $9.83 | $2.0M | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Nov 4, 2025 | DISPOSED | 40,000 | $9.83 | $393.2K | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | AWARD | 466,095 | $4.53 | $2.1M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | AWARD | 352,705 | $4.53 | $1.6M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | AWARD | 300,000 | $4.53 | $1.4M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | AWARD | 275,000 | $4.53 | $1.2M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | AWARD | 40,815 | $4.53 | $184.9K | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | DISPOSED | 466,095 | $12.00 | $5.6M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | DISPOSED | 275,000 | $15.25 | $4.2M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | DISPOSED | 300,000 | $16.62 | $5.0M | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | DISPOSED | 40,815 | $8.96 | $365.7K | Form 4 |
| McArthur James G | director, officer: President and CEO | Nov 4, 2025 | DISPOSED | 40,815 | $11.23 | $458.4K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | AWARD | 203,339 | $4.53 | $921.1K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | AWARD | 169,037 | $4.53 | $765.7K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | AWARD | 144,000 | $4.53 | $652.3K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | DISPOSED | 169,037 | $12.00 | $2.0M | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | DISPOSED | 203,339 | $10.88 | $2.2M | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | DISPOSED | 144,000 | $15.25 | $2.2M | Form 4 |
| Donnelly Noel | Chief Financial Officer | Nov 4, 2025 | DISPOSED | 144,000 | $16.62 | $2.4M | Form 4 |
| Vittiglio Joseph | Chief Business & Legal Officer | Dec 8, 2025 | AWARD | 160,000 | $5.59 | $894.4K | Form 4 |
| Vittiglio Joseph | Chief Business & Legal Officer | Dec 8, 2025 | AWARD | 35,000 | — | — | Form 4 |
| Vittiglio Joseph | officer | Dec 8, 2025 | OTHER | 0 | — | — | Form 4 |
| Oxford Science Enterprises plc | other: Former 10% Owner | Sep 30, 2025 | BUY | 200,000 | $3.20 | $640.0K | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director, 10 percent owner: | Sep 26, 2025 | BUY | 9,375,000 | $3.20 | $30.0M | Form 4 |
| RA CAPITAL MANAGEMENT, L.P. | director, 10 percent owner: | Jun 4, 2025 | AWARD | 16,000 | $1.51 | $24.2K | Form 4 |
| Mayer Howard | director | Jun 4, 2025 | AWARD | 16,000 | $1.51 | $24.2K | Form 4 |
| HENSON HEIDI | director | Jun 4, 2025 | AWARD | 16,000 | $1.51 | $24.2K | Form 4 |
| KEATING LAURIE | director | Jun 4, 2025 | AWARD | 16,000 | $1.51 | $24.2K | Form 4 |
| Dable Habib J | director | Jun 4, 2025 | AWARD | 16,000 | $1.51 | $24.2K | Form 4 |
| Resnick Joshua | director | Jun 4, 2025 | AWARD | 16,000 | $1.51 | $24.2K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | May 30, 2025 | BUY | 8,375 | $1.24 | $10.4K | Form 4 |
| Kasraian Kasra | Chief Technical Officer | May 20, 2025 | AWARD | 75,000 | $1.58 | $118.5K | Form 4 |
| Kasraian Kasra | Chief Technical Officer | May 20, 2025 | AWARD | 16,750 | — | — | Form 4 |
| Kasraian Kasra | officer | May 20, 2025 | OTHER | 0 | — | — | Form 4 |
| McArthur James G | director, officer: President and CEO | Apr 17, 2025 | BUY | 10,000 | $1.35 | $13.6K | Form 4 |
| McArthur James G | director, officer: President and CEO | Apr 8, 2025 | BUY | 41,500 | $1.15 | $47.7K | Form 4 |
| Finer Mitchell H. | director | Mar 27, 2025 | AWARD | 26,000 | $1.61 | $41.9K | Form 4 |
| Wyman Lisa | director | Mar 27, 2025 | AWARD | 26,000 | $1.61 | $41.9K | Form 4 |
| Finer Mitchell H. | director: | Mar 27, 2025 | OTHER | 0 | — | — | Form 4 |
| Wyman Lisa | director: | Mar 27, 2025 | OTHER | 0 | — | — | Form 4 |
| DeLena Mary Beth | General Counsel | Mar 3, 2025 | AWARD | 60,000 | $2.81 | $168.6K | Form 4 |
| DeLena Mary Beth | General Counsel | Mar 3, 2025 | AWARD | 13,400 | — | — | Form 4 |
| Donnelly Noel | Chief Financial Officer | Mar 3, 2025 | AWARD | 104,250 | $2.81 | $292.9K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Mar 3, 2025 | AWARD | 23,283 | — | — | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Mar 3, 2025 | AWARD | 87,000 | $2.81 | $244.5K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Mar 3, 2025 | AWARD | 19,430 | — | — | Form 4 |
| McArthur James G | director, officer: President and CEO | Mar 3, 2025 | AWARD | 271,875 | $2.81 | $764.0K | Form 4 |
| McArthur James G | director, officer: President and CEO | Mar 3, 2025 | AWARD | 60,719 | — | — | Form 4 |
| DeLena Mary Beth | General Counsel | Feb 24, 2025 | AWARD | 3,000 | — | — | Form 4 |
| DeLena Mary Beth | General Counsel | Feb 26, 2025 | SELL | 1,432 | $1.68 | $2.4K | Form 4 |
| Donnelly Noel | Chief Financial Officer | Feb 24, 2025 | AWARD | 3,200 | — | — | Form 4 |
| Donnelly Noel | Chief Financial Officer | Feb 26, 2025 | SELL | 1,527 | $1.68 | $2.6K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Aug 19, 2024 | AWARD | 40,000 | $9.83 | $393.2K | Form 4 |
| STRECK PAUL | EVP, Head of R&D | Aug 19, 2024 | AWARD | 202,816 | $9.83 | $2.0M | Form 4 |
| STRECK PAUL | officer | Aug 19, 2024 | OTHER | 0 | — | — | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 24, 2024 | OPTION EX. | 201 | $10.21 | $2.1K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 25, 2024 | OPTION EX. | 7,571 | $10.21 | $77.3K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 25, 2024 | OPTION EX. | 7,571 | $10.21 | $77.3K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 24, 2024 | OPTION EX. | 201 | $10.21 | $2.1K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 24, 2024 | SELL | 201 | $18.01 | $3.6K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 25, 2024 | SELL | 7,571 | $18.06 | $136.7K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 18, 2024 | OPTION EX. | 12,625 | $10.21 | $128.9K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 18, 2024 | OPTION EX. | 12,625 | $10.21 | $128.9K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 18, 2024 | SELL | 12,625 | $18.20 | $229.8K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 12, 2024 | OPTION EX. | 3,288 | $10.21 | $33.6K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 16, 2024 | OPTION EX. | 5,901 | $10.21 | $60.2K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 16, 2024 | OPTION EX. | 5,901 | $10.21 | $60.2K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 12, 2024 | OPTION EX. | 3,288 | $10.21 | $33.6K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 12, 2024 | SELL | 3,288 | $18.04 | $59.3K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 16, 2024 | SELL | 5,901 | $18.00 | $106.2K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 1, 2024 | OPTION EX. | 875 | $10.21 | $8.9K | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 2, 2024 | OPTION EX. | 37 | $10.21 | $377.77 | Form 4 |
| Mellion Michelle L | Chief Medical Officer | Jul 1, 2024 | OPTION EX. | 875 | $10.21 | $8.9K | Form 4 |