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United States

PepGen Inc (PEPG)

Track

Recent insider activity at PepGen Inc. shows a net sell-off over the last 90 days, with executives primarily engaging in planned sales. Notably, significant buy transactions occurred in late 2024 and early 2025 from major shareholders and the CEO, contrasting with more recent selling trends. The stock has experienced a substantial price decrease over the past 90 days.
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Ticker: PEPG Exchange: NSM
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• Purchase • Sale • Planned purchase • Planned sale Net purchase Net sale Activity signal Earnings
Top insiders
Trades
Kasraian Kasra
Chief Technical Officer
1 sale — total 1,739 USD
Planned sale 21 May 2026
Value US$3,219,581.96 | Price 293.00 | Shares 19,762
Planned sale 4 Mar 2026
Value US$1,149,591.01 | Price 175.26 | Shares 91,646
Planned sale 4 Mar 2026
Value US$1,364,906.02 | Price 406.25 | Shares 17,079
Planned sale 4 Mar 2026
Value US$328.90 | Price 6.33 | Shares 52
Planned sale 4 Mar 2026
Value US$12,659.36 | Price 6.23 | Shares 2,032
Planned sale 4 Mar 2026
Value US$828.58 | Price 6.33 | Shares 131
Planned sale 4 Mar 2026
Value US$32,047.12 | Price 6.23 | Shares 5,144
Buy 30 Sep 2025
Value US$640,000.00 | Price 3.20 | Shares 200,000
Buy 26 Sep 2025
Value US$30,000,000.00 | Price 3.20 | Shares 9,375,000
Planned buy 30 May 2025
Value US$10,393.38 | Price 1.24 | Shares 8,375
Buy 17 Apr 2025
Value US$13,550.00 | Price 1.36 | Shares 10,000
Buy 8 Apr 2025
Value US$47,725.00 | Price 1.15 | Shares 41,500
Planned sale 26 Feb 2025
Value US$2,405.76 | Price 1.68 | Shares 1,432
Planned sale 26 Feb 2025
Value US$2,565.36 | Price 1.68 | Shares 1,527
Planned sale 25 Jul 2024
Value US$136,741.35 | Price 18.06 | Shares 7,571
Planned sale 24 Jul 2024
Value US$3,619.03 | Price 18.01 | Shares 201
Planned sale 18 Jul 2024
Value US$229,804.04 | Price 18.20 | Shares 12,625
Planned sale 16 Jul 2024
Value US$106,246.91 | Price 18.00 | Shares 5,901
Planned sale 12 Jul 2024
Value US$59,331.30 | Price 18.04 | Shares 3,288
Planned sale 2 Jul 2024
Value US$668.59 | Price 18.07 | Shares 37
Planned sale 1 Jul 2024
Value US$15,759.62 | Price 18.01 | Shares 875
Planned sale 24 Jun 2024
Value US$168,427.36 | Price 18.19 | Shares 9,260
Planned sale 12 Jun 2024
Value US$19,614.68 | Price 18.06 | Shares 1,086
Planned sale 11 Jun 2024
Value US$9,022.00 | Price 18.04 | Shares 500
Planned sale 6 Jun 2024
Value US$25,398.00 | Price 18.00 | Shares 1,411
Planned sale 5 Jun 2024
Value US$131,062.05 | Price 18.09 | Shares 7,245
Proposed sale 5 Jun 2024
Value US$788,000.00 | Price 15.76 | Shares 50,000
Proposed sale 17 May 2024
Value US$136,500.00 | Price 13.65 | Shares 10,000
Planned sale 17 May 2024
Value US$134,100.00 | Price 13.41 | Shares 10,000
Proposed sale 12 Mar 2024
Value US$2,062,376.00 | Price 17.75 | Shares 116,187
Buy 9 Feb 2024
Value US$27,212,789.52 | Price 10.64 | Shares 2,557,593
Planned buy 30 Nov 2023
Value US$7,055.51 | Price 4.17 | Shares 1,694
Planned sale 8 Jun 2023
Value US$38,187.91 | Price 16.04 | Shares 2,381
Planned sale 7 Jun 2023
Value US$136,617.64 | Price 16.23 | Shares 8,419
Planned sale 6 Jun 2023
Value US$293,659.74 | Price 16.18 | Shares 18,150
Planned sale 5 Jun 2023
Value US$8,028.00 | Price 16.06 | Shares 500
Planned sale 2 Jun 2023
Value US$28,863.00 | Price 16.04 | Shares 1,800
Proposed sale 2 Jun 2023
Value US$460,937.50 | Price 14.75 | Shares 31,250
Planned sale 24 Mar 2023
Value US$7,840.00 | Price 20.00 | Shares 392
Planned sale 8 Feb 2023
Value US$10,948.00 | Price 17.00 | Shares 644
Planned sale 7 Feb 2023
Value US$63,212.58 | Price 17.18 | Shares 3,679
Planned sale 6 Feb 2023
Value US$28,567.70 | Price 17.04 | Shares 1,677
Buy 10 May 2022
Value US$2,996,988.00 | Price 12.00 | Shares 249,749
Buy 10 May 2022
Value US$35,753,412.00 | Price 12.00 | Shares 2,979,451
Buy 10 May 2022
Value US$2,499,996.00 | Price 12.00 | Shares 208,333
Buy 10 May 2022
Value US$2,499,996.00 | Price 12.00 | Shares 208,333
Buy 6 May 2022
Value US$49,992.00 | Price 12.00 | Shares 4,166
Abbreviations B: Buy, S: Sell, PP: Planned purchase, PlS: Planned sale, PrS: Proposed sale, O: Option / Other
Notification date Transaction date B/S Transaction type Insider and/or position Nb. shares
Price
Value 		Number of shares Price Value Details
2026-05-26 2026-05-21 PlS Planned sale
Kasraian Kasra

Chief Technical Officer

Officer
19,762 +47.0%
293.00
US$3,219,582 		19,762 +47.0% 293.00 US$3,219,582
2026-03-06 2026-03-04 PlS Planned sale
STRECK PAUL

EVP, Head of R&D

Officer
91,646 -30.9%
175.26
US$1,149,591 		91,646 -30.9% 175.26 US$1,149,591
2026-03-06 2026-03-04 PlS Planned sale
STRECK PAUL

EVP, Head of R&D

Officer
17,079 -40.9%
406.25
US$1,364,906 		17,079 -40.9% 406.25 US$1,364,906
2026-03-06 2026-03-04 PlS Planned sale
Donnelly Noel

Chief Financial Officer

Officer
52 -0.0%
6.33
US$329 		52 -0.0% 6.33 US$329
2026-03-06 2026-03-04 PlS Planned sale
Donnelly Noel

Chief Financial Officer

Officer
2,032 -1.8%
6.23
US$12,659 		2,032 -1.8% 6.23 US$12,659
2026-03-06 2026-03-04 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
131 -0.0%
6.33
US$829 		131 -0.0% 6.33 US$829
2026-03-06 2026-03-04 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
5,144 -1.7%
6.23
US$32,047 		5,144 -1.7% 6.23 US$32,047
2025-10-01 2025-09-30 B Purchase
Oxford Science Enterprises plc

Former 10% Owner
200,000 +4.2%
3.20
US$640,000 		200,000 +4.2% 3.20 US$640,000
2025-09-30 2025-09-26 B Purchase
2.9
RA CAPITAL MANAGEMENT, L.P.
Non-Executive Director Large shareholder
9,375,000 +102.1%
3.20
US$30,000,000 		9,375,000 +102.1% 3.20 US$30,000,000
2025-06-02 2025-05-30 PP Planned purchase
STRECK PAUL

EVP, Head of R&D

Officer
8,375 +43.1%
1.24
US$10,393 		8,375 +43.1% 1.24 US$10,393
2025-04-22 2025-04-17 B Purchase
2.7
McArthur James G

President and CEO

Executive Director
10,000 +9.6%
1.36
US$13,550 		10,000 +9.6% 1.36 US$13,550
2025-04-09 2025-04-08 B Purchase
2.7
McArthur James G

President and CEO

Executive Director
41,500 +66.5%
1.15
US$47,725 		41,500 +66.5% 1.15 US$47,725
2025-02-26 2025-02-26 PlS Planned sale
DeLena Mary Beth

General Counsel

Officer
1,432 -47.7%
1.68
US$2,406 		1,432 -47.7% 1.68 US$2,406
2025-02-26 2025-02-26 PlS Planned sale
Donnelly Noel

Chief Financial Officer

Officer
1,527 -47.7%
1.68
US$2,565 		1,527 -47.7% 1.68 US$2,565
2024-07-26 2024-07-25 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
7,571 -100.0%
18.06
US$136,741 		7,571 -100.0% 18.06 US$136,741
2024-07-26 2024-07-24 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
201 -100.0%
18.01
US$3,619 		201 -100.0% 18.01 US$3,619
2024-07-19 2024-07-18 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
12,625 -100.0%
18.20
US$229,804 		12,625 -100.0% 18.20 US$229,804
2024-07-16 2024-07-16 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
5,901 -100.0%
18.00
US$106,247 		5,901 -100.0% 18.00 US$106,247
2024-07-16 2024-07-12 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
3,288 -100.0%
18.04
US$59,331 		3,288 -100.0% 18.04 US$59,331
2024-07-03 2024-07-02 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
37 -100.0%
18.07
US$669 		37 -100.0% 18.07 US$669
2024-07-03 2024-07-01 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
875 -100.0%
18.01
US$15,760 		875 -100.0% 18.01 US$15,760
2024-06-26 2024-06-24 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
9,260 -100.0%
18.19
US$168,427 		9,260 -100.0% 18.19 US$168,427
2024-06-13 2024-06-12 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
1,086 -100.0%
18.06
US$19,615 		1,086 -100.0% 18.06 US$19,615
2024-06-13 2024-06-11 PlS Planned sale
Mellion Michelle L

Chief Medical Officer

Officer
500 -100.0%
18.04
US$9,022 		500 -100.0% 18.04 US$9,022
2024-06-07 2024-06-06 PlS Planned sale
Mellion Michelle L

SVP, Clinical Development

Officer
1,411 -100.0%
18.00
US$25,398 		1,411 -100.0% 18.00 US$25,398
2024-06-07 2024-06-05 PlS Planned sale
Mellion Michelle L

SVP, Clinical Development

Officer
7,245 -100.0%
18.09
US$131,062 		7,245 -100.0% 18.09 US$131,062
2024-06-05 2024-06-05 PrS Proposed sale
MICHELLE L. MELLION

Officer

Officer
50,000
15.76
US$788,000 		50,000 15.76 US$788,000
2024-05-17 2024-05-17 PrS Proposed sale
NIELS SVENSTRUP

Officer

Officer
10,000
13.65
US$136,500 		10,000 13.65 US$136,500
2024-05-17 2024-05-17 PlS Planned sale
Svenstrup Niels

SVP, Chem. Mfg & Controls

Officer
10,000 -100.0%
13.41
US$134,100 		10,000 -100.0% 13.41 US$134,100
2024-03-12 2024-03-12 PrS Proposed sale
Goyal Jaya

Officer

Officer
116,187
17.75
US$2,062,376 		116,187 17.75 US$2,062,376
2024-02-13 2024-02-09 B Purchase
2.9
RA CAPITAL MANAGEMENT, L.P.
Non-Executive Director Large shareholder
2,557,593 +38.6%
10.64
US$27,212,790 		2,557,593 +38.6% 10.64 US$27,212,790
2023-12-05 2023-11-30 PP Planned purchase
2.7
McArthur James G

President and CEO

Executive Director
1,694 +inf%
4.17
US$7,056 		1,694 +inf% 4.17 US$7,056
2023-06-09 2023-06-08 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
2,381 -100.0%
16.04
US$38,188 		2,381 -100.0% 16.04 US$38,188
2023-06-08 2023-06-07 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
8,419 -100.0%
16.23
US$136,618 		8,419 -100.0% 16.23 US$136,618
2023-06-08 2023-06-06 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
18,150 -100.0%
16.18
US$293,660 		18,150 -100.0% 16.18 US$293,660
2023-06-06 2023-06-05 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
500 -100.0%
16.06
US$8,028 		500 -100.0% 16.06 US$8,028
2023-06-06 2023-06-02 PlS Planned sale
2.7
McArthur James G

President and CEO

Executive Director
1,800 -100.0%
16.04
US$28,863 		1,800 -100.0% 16.04 US$28,863
2023-06-02 2023-06-02 PrS Proposed sale
2.7
JAMES MCARTHUR

Officer

Officer
31,250
14.75
US$460,938 		31,250 14.75 US$460,938
2023-03-28 2023-03-24 PlS Planned sale
Goyal Jaya

EVP, Res. & Preclin. Dev.

Officer
392 -100.0%
20.00
US$7,840 		392 -100.0% 20.00 US$7,840
2023-02-08 2023-02-08 PlS Planned sale
Goyal Jaya

EVP, Res. & Preclin. Dev.

Officer
644 -100.0%
17.00
US$10,948 		644 -100.0% 17.00 US$10,948
2023-02-08 2023-02-07 PlS Planned sale
Goyal Jaya

EVP, Res. & Preclin. Dev.

Officer
3,679 -100.0%
17.18
US$63,213 		3,679 -100.0% 17.18 US$63,213
2023-02-08 2023-02-06 PlS Planned sale
Goyal Jaya

EVP, Res. & Preclin. Dev.

Officer
1,677 -100.0%
17.04
US$28,568 		1,677 -100.0% 17.04 US$28,568
2022-05-12 2022-05-10 B Purchase
2.9
RA CAPITAL MANAGEMENT, L.P.
Non-Executive Director Large shareholder
249,749 +23.7%
12.00
US$2,996,988 		249,749 +23.7% 12.00 US$2,996,988
2022-05-12 2022-05-10 B Purchase
2.9
RA CAPITAL MANAGEMENT, L.P.
Non-Executive Director Large shareholder
2,979,451 +81.8%
12.00
US$35,753,412 		2,979,451 +81.8% 12.00 US$35,753,412
2022-05-10 2022-05-10 B Purchase
2.8
Flynn James E
Large shareholder
208,333 +77.6%
12.00
US$2,499,996 		208,333 +77.6% 12.00 US$2,499,996
2022-05-10 2022-05-10 B Purchase
2.8
Flynn James E
Large shareholder
208,333 +77.6%
12.00
US$2,499,996 		208,333 +77.6% 12.00 US$2,499,996
2023-01-19 2022-05-06 B Purchase
2.2
KEATING LAURIE
Non-Executive Director
4,166 +inf%
12.00
US$49,992 		4,166 +inf% 12.00 US$49,992
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