PepGen Inc. (PEPG)

Latest Insider Confidence Score

2026Q1

51.7
Bullish

Company insider confidence (by quarter)

2022Q2 2026Q1

Largest shareholders

Insider Role (last 12 mo) Shares held Filed at
Oxford Science Enterprises plc Other 4,955,388 Oct 1, 2025
Ra Capital Management, L.P. Director 1,510,272 Sep 30, 2025
RA Capital Healthcare Fund LP Director 1,510,272 Sep 30, 2025
Kolchinsky Peter Director 1,510,272 Sep 30, 2025
Shah Rajeev M. Director 1,510,272 Sep 30, 2025

Recent buy/sell transactions

Exec date Filing date Insider Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 4, 2026 Mar 6, 2026 STRECK PAUL EVP, Head of R&D Sell 44.4 -1,879 -2.41% ✓ $11.7K
Mar 4, 2026 Mar 6, 2026 Donnelly Noel CFO Sell 48.1 -2,084 -1.83% ✓ $13K
Mar 4, 2026 Mar 6, 2026 McArthur James G CEO Sell 48.1 -5,275 -1.75% ✓ $32.9K
Mar 1, 2026 Mar 2, 2026 Vittiglio Joseph Chief Business & Legal Officer Neutral 90.0 +30,717 87.76% ✗ -
Mar 1, 2026 Mar 2, 2026 Kasraian Kasra Chief Technical Officer Neutral 90.0 +34,557 206.31% ✗ -
Mar 1, 2026 Mar 2, 2026 STRECK PAUL EVP, Head of R&D Neutral 90.0 +50,300 180.90% ✗ -
Mar 1, 2026 Mar 2, 2026 Donnelly Noel CFO Neutral 90.0 +76,793 208.14% ✗ -
Mar 1, 2026 Mar 2, 2026 McArthur James G CEO Neutral 90.0 +187,688 164.76% ✗ -
Nov 4, 2025 Dec 18, 2025 STRECK PAUL EVP, Head of R&D Neutral 52.5 - 0.00% ✗ -
Nov 4, 2025 Dec 18, 2025 McArthur James G CEO Neutral 52.5 - 0.00% ✗ -
Nov 4, 2025 Dec 18, 2025 Donnelly Noel CFO Neutral 52.5 - 0.00% ✗ -
Dec 8, 2025 Dec 10, 2025 Vittiglio Joseph Chief Business & Legal Officer Neutral 90.0 +35,000 100.00% ✗ -
Dec 10, 2025 Vittiglio Joseph Chief Business & Legal Officer Neutral 52.5 - 0.00% ✗ -
Sep 30, 2025 Oct 1, 2025 Oxford Science Enterprises plc Other Buy 90.0 +200,000 4.21% ✗ $640K
Sep 26, 2025 Sep 30, 2025 RA CAPITAL MANAGEMENT, L.P. Director Buy 100.0 +9,375,000 102.13% ✗ $30M
Jun 4, 2025 Jun 6, 2025 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 6, 2025 Mayer Howard Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 6, 2025 HENSON HEIDI Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 6, 2025 KEATING LAURIE Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 6, 2025 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jun 4, 2025 Jun 6, 2025 Resnick Joshua Director Neutral 52.5 - 0.00% ✗ -
May 30, 2025 Jun 2, 2025 STRECK PAUL EVP, Head of R&D Buy 91.3 +8,375 43.10% ✗ $10.4K
May 20, 2025 May 21, 2025 Kasraian Kasra Chief Technical Officer Neutral 90.0 +16,750 100.00% ✗ -
May 21, 2025 Kasraian Kasra Chief Technical Officer Neutral 52.5 - 0.00% ✗ -
Apr 17, 2025 Apr 22, 2025 McArthur James G CEO Buy 86.3 +10,000 9.62% ✗ $13.6K
Apr 8, 2025 Apr 9, 2025 McArthur James G CEO Buy 91.3 +41,500 66.49% ✗ $47.7K
Mar 27, 2025 Mar 31, 2025 Finer Mitchell H. Director Neutral 52.5 - 0.00% ✗ -
Mar 27, 2025 Mar 31, 2025 Wyman Lisa Director Neutral 52.5 - 0.00% ✗ -
Mar 31, 2025 Finer Mitchell H. Director Neutral 52.5 - 0.00% ✗ -
Mar 31, 2025 Wyman Lisa Director Neutral 52.5 - 0.00% ✗ -
Mar 3, 2025 Mar 5, 2025 DeLena Mary Beth General Counsel Neutral 90.0 +13,400 854.59% ✗ -
Mar 3, 2025 Mar 5, 2025 Donnelly Noel CFO Neutral 90.0 +23,283 1391.69% ✗ -
Mar 3, 2025 Mar 5, 2025 STRECK PAUL EVP, Head of R&D Neutral 90.0 +19,430 100.00% ✗ -
Mar 3, 2025 Mar 5, 2025 McArthur James G CEO Neutral 90.0 +60,719 3584.36% ✗ -
Feb 24, 2025 Feb 26, 2025 DeLena Mary Beth General Counsel Sell 90.0 +1,568 100.00% ✓ $2.4K
Feb 24, 2025 Feb 26, 2025 Donnelly Noel CFO Sell 90.0 +1,673 100.00% ✓ $2.6K
Aug 19, 2024 Aug 20, 2024 STRECK PAUL EVP, Head of R&D Neutral 52.5 - 0.00% ✗ -
Aug 20, 2024 STRECK PAUL EVP, Head of R&D Neutral 52.5 - 0.00% ✗ -
Jul 24, 2024 Jul 26, 2024 Mellion Michelle L Chief Medical Officer Sell 10.0 -7,772 -100.00% ✓ $140.4K
Jul 18, 2024 Jul 19, 2024 Mellion Michelle L Chief Medical Officer Sell 10.0 -12,625 -100.00% ✓ $229.8K
Jul 12, 2024 Jul 16, 2024 Mellion Michelle L Chief Medical Officer Sell 10.0 -9,189 -100.00% ✓ $165.6K
Jul 1, 2024 Jul 3, 2024 Mellion Michelle L Chief Medical Officer Sell 13.8 -912 -100.00% ✓ $16.4K
Jun 24, 2024 Jun 26, 2024 Mellion Michelle L Chief Medical Officer Sell 10.0 -9,260 -100.00% ✓ $168.4K
Jun 20, 2024 Jun 21, 2024 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 HENSON HEIDI Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 KEATING LAURIE Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Resnick Joshua Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Ashton Christopher Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Mayer Howard Director Neutral 52.5 - 0.00% ✗ -
Jun 20, 2024 Jun 21, 2024 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jun 11, 2024 Jun 13, 2024 Mellion Michelle L Chief Medical Officer Sell 13.8 -1,586 -100.00% ✓ $28.6K
Jun 5, 2024 Jun 7, 2024 Mellion Michelle L SVP, Clinical Development Sell 10.0 -8,656 -100.00% ✓ $156.5K
May 17, 2024 May 17, 2024 Svenstrup Niels SVP, Chem. Mfg & Controls Sell 10.0 -10,000 -100.00% ✓ $134.1K
May 10, 2022 Apr 9, 2024 Oxford Science Enterprises plc 10% Owner Buy 100.0 +879,970 22.71% ✗ $10.6M
Mar 1, 2024 Mar 1, 2024 Svenstrup Niels SVP, Chem. Mfg & Controls Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 1, 2024 McArthur James G CEO Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 1, 2024 Donnelly Noel CFO Neutral 52.5 - 0.00% ✗ -
Mar 1, 2024 Mar 1, 2024 Mellion Michelle L SVP, Clinical Development Neutral 52.5 - 0.00% ✗ -
Feb 9, 2024 Feb 13, 2024 RA CAPITAL MANAGEMENT, L.P. Director Buy 100.0 +2,557,593 38.62% ✗ $27.2M
Jan 15, 2024 Jan 17, 2024 DeLena Mary Beth General Counsel Neutral 52.5 - 0.00% ✗ -
Jan 17, 2024 DeLena Mary Beth General Counsel Neutral 52.5 - 0.00% ✗ -
Nov 30, 2023 Dec 5, 2023 McArthur James G CEO Buy 90.0 +1,694 100.00% ✗ $7.1K
Nov 10, 2023 Nov 14, 2023 Mayer Howard Director Neutral 52.5 - 0.00% ✗ -
Nov 14, 2023 Mayer Howard Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Ashton Christopher Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Resnick Joshua Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 KEATING LAURIE Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 HENSON HEIDI Director Neutral 52.5 - 0.00% ✗ -
Jun 22, 2023 Jun 26, 2023 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jun 8, 2023 Jun 9, 2023 McArthur James G CEO Sell 13.8 -2,381 -100.00% ✓ $38.2K
Jun 6, 2023 Jun 8, 2023 McArthur James G CEO Sell 7.5 -26,569 -100.00% ✓ $430.3K
Jun 2, 2023 Jun 6, 2023 McArthur James G CEO Sell 13.8 -2,300 -100.00% ✓ $36.9K
Mar 24, 2023 Mar 28, 2023 Goyal Jaya EVP, Res. & Preclin. Dev. Sell 15.0 -392 -100.00% ✓ $7.8K
Mar 1, 2023 Mar 2, 2023 Mellion Michelle L SVP, Clinical Development Neutral 52.5 - 0.00% ✗ -
Mar 1, 2023 Mar 2, 2023 Goyal Jaya EVP, Res. & Preclin. Dev. Neutral 52.5 - 0.00% ✗ -
Mar 1, 2023 Mar 2, 2023 Svenstrup Niels SVP, Chem. Mfg & Controls Neutral 52.5 - 0.00% ✗ -
Mar 1, 2023 Mar 2, 2023 McArthur James G CEO Neutral 52.5 - 0.00% ✗ -
Mar 1, 2023 Mar 2, 2023 Donnelly Noel CFO Neutral 52.5 - 0.00% ✗ -
Feb 6, 2023 Feb 8, 2023 Goyal Jaya EVP, Res. & Preclin. Dev. Sell 10.0 -6,000 -100.00% ✓ $102.7K
May 6, 2022 Jan 19, 2023 KEATING LAURIE Director Buy 91.3 +4,166 100.00% ✗ $50K
Dec 19, 2022 Dec 19, 2022 Svenstrup Niels SVP, Chem. Mfg & Controls Neutral 52.5 - 0.00% ✗ -
Oct 3, 2022 Oct 3, 2022 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Sep 22, 2022 Dable Habib J Director Neutral 52.5 - 0.00% ✗ -
Jul 1, 2022 Aug 31, 2022 Mellion Michelle L Officer Neutral 52.5 - 0.00% ✗ -
May 10, 2022 May 12, 2022 RA CAPITAL MANAGEMENT, L.P. Director Buy 100.0 +3,229,200 68.78% ✗ $38.8M
May 12, 2022 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Svenstrup Niels Officer Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Resnick Joshua Director Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Mellion Michelle L Officer Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 McArthur James G CEO Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 KEATING LAURIE Director Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 HENSON HEIDI Director Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Goyal Jaya Officer Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Donnelly Noel CFO Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Bracegirdle Sonia Officer Neutral 52.5 - 0.00% ✗ -
May 6, 2022 May 10, 2022 Ashton Christopher Director Neutral 52.5 - 0.00% ✗ -
May 10, 2022 May 10, 2022 Oxford Science Enterprises plc 10% Owner Neutral 52.5 - 0.00% ✗ -
May 10, 2022 May 10, 2022 Flynn James E 10% Owner Buy 100.0 +416,666 77.60% ✗ $5M
May 6, 2022 May 10, 2022 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -
May 5, 2022 RA CAPITAL MANAGEMENT, L.P. Director Neutral 52.5 - 0.00% ✗ -