Insider · CIK 0001763307

McArthur James G

Reports to the SEC for 3 companies · BOSTON, MA

sec.gov

Transactions

Companies

Filings

CIK

0001763307

Forms 4 and 5

Insider transactions

46 trades

Date	Company	Role	Code	Shares	Price	Value	Shares after
2026-03-04	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−5,144 sh	$6.23	−$32K	296,457
2026-03-04	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−131 sh	$6.33	−$828.575	296,326
2026-03-01	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+731K sh	—	—	731,250
2026-03-01	PEPGPepGen Inc.A Award	Director, President and CEO	AAward	+188K sh	—	—	301,601
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−40.8K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+40.8K sh	—	—	40,815
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−40.8K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+40.8K sh	—	—	40,815
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−40.8K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+40.8K sh	—	—	40,815
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−466K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+466K sh	—	—	466,095
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−275K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−300K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+275K sh	—	—	275,000
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+300K sh	—	—	300,000
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)D Disposition to Issuer	Director, President and CEO	DDisposition to Issuer	−353K sh	—	—	0
2025-11-04	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+353K sh	—	—	352,705
2025-04-17	PEPGPepGen Inc.P Purchase	Director, President and CEO	PPurchase	+10K sh	$1.35	+$13.6K	113,913
2025-04-08	PEPGPepGen Inc.P Purchase	Director, President and CEO	PPurchase	+41.5K sh	$1.15	+$47.7K	103,913
2025-03-03	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+272K sh	—	—	271,875
2025-03-03	PEPGPepGen Inc.A Award	Director, President and CEO	AAward	+60.7K sh	—	—	62,413
2024-03-01	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+300K sh	—	—	300,000
2023-11-30	PEPGPepGen Inc.P Purchase	Director, President and CEO	PPurchase	+1,694 sh	$4.17	+$7,055.51	1,694
2023-06-08	PEPGPepGen Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−2,381 sh	—	—	325,054
2023-06-08	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−2,381 sh	$16.04	−$38.2K	0
2023-06-08	PEPGPepGen Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+2,381 sh	$2.71	+$6,452.51	2,381
2023-06-07	PEPGPepGen Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−8,419 sh	—	—	327,435
2023-06-07	PEPGPepGen Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+8,419 sh	$2.71	+$22.8K	8,419
2023-06-07	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−8,419 sh	$16.23	−$137K	0
2023-06-06	PEPGPepGen Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+18.2K sh	$2.71	+$49.2K	18,150
2023-06-06	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−18.2K sh	$16.18	−$294K	0
2023-06-06	PEPGPepGen Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−18.2K sh	—	—	335,854
2023-06-05	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−500 sh	$16.06	−$8,028	0
2023-06-05	PEPGPepGen Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+500 sh	$2.71	+$1,355	500
2023-06-05	PEPGPepGen Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−500 sh	—	—	354,004
2023-06-02	PEPGPepGen Inc.S Sale	Director, President and CEO	SSale	−1,800 sh	$16.04	−$28.9K	0
2023-06-02	PEPGPepGen Inc.M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	+1,800 sh	$2.71	+$4,878	1,800
2023-06-02	PEPGPepGen Inc. · Stock Option (Right to Buy)M Exercise/Conversion	Director, President and CEO	MExercise/Conversion	−1,800 sh	—	—	354,504
2023-03-01	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+275K sh	—	—	275,000
2022-05-06	PEPGPepGen Inc. · Stock Option (Right to Buy)A Award	Director, President and CEO	AAward	+466K sh	—	—	466,095
2020-03-16	ELVNEnliven Therapeutics, Inc. · Stock Option (right to buy)A Award	Director	AAward	+15.5K sh	—	—	15,457
2019-06-07	Nightstar Therapeutics plcStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−18.2K sh	$13.23	−$241K	0
2019-06-07	Nightstar Therapeutics plcD Disposition to Issuer	Director	DDisposition to Issuer	−37.2K sh	$25.50	−$950K	0
2019-06-07	Nightstar Therapeutics plcStock Option (Right to Buy)D Disposition to Issuer	Director	DDisposition to Issuer	−21K sh	$11.93	−$251K	0
2019-01-25	Nightstar Therapeutics plcStock Option (Right to Buy)A Award	Director	AAward	+21K sh	—	—	21,000

Recent filings

Accepted (ET)
Mar 64
McArthur James G0001835597-26-000012
SEC(opens sec.gov)
Mar 24
McArthur James G0001835597-26-000002
SEC(opens sec.gov)
Dec 184
McArthur James G0001835597-25-000015
SEC(opens sec.gov)
Apr 224
McArthur James G0001127602-25-012400
SEC(opens sec.gov)
Apr 94
McArthur James G0001127602-25-011837
SEC(opens sec.gov)

Companies

Address

321 HARRISON AVE., 8TH FLOOR C/O PEPGEN INC.

BOSTON, MA, 02118