Bylund James - Insider Non-Derivative Transactions at REPLIGEN CORP (RGEN) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Nov 18, 2025, Bylund James's relationship to REPLIGEN CORP (RGEN) is Officer (Chief Operating Officer), and currently has 21,520 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other RGEN insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Bylund James - Insider Non-Derivative Transactions of RGEN Common Stock

Bylund James - Insider Non-Derivative Transactions at RGEN

Items per page:

0 of 0

Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Nov 19, 2025	Sell -- (Common Stock)	2191	151.21	21520
Apr 2, 2025	F -- (Common Stock)	454	128.5	23711
Mar 14, 2025	F -- (Common Stock)	175	142.44	24165
Mar 14, 2025	Acquisition -- (Common Stock)	381	0	24340
Mar 4, 2025	F -- (Common Stock)	1239	155.38	23959
Mar 4, 2025	Acquisition -- (Common Stock)	6435	0	25198
Feb 28, 2025	F -- (Common Stock)	1285	156.54	18763
Feb 25, 2025	F -- (Common Stock)	543	164.74	20048
Apr 3, 2024	F -- (Common Stock)	444	182.95	20591
Mar 8, 2024	F -- (Common Stock)	1206	195.72	21035
Mar 6, 2024	F -- (Common Stock)	22	195.52	22241
Mar 5, 2024	F -- (Common Stock)	197	193.99	22263
Mar 2, 2024	F -- (Common Stock)	820	191.79	22410
Mar 2, 2024	Acquisition -- (Common Stock)	50	0	22460
Mar 1, 2024	Acquisition -- (Common Stock)	404	0	23230
Feb 28, 2024	Acquisition -- (Common Stock)	8691	0	22826
Feb 24, 2024	Sell -- (Common Stock)	4373	198.08	14135
Feb 24, 2024	M -- (Common Stock)	940	94.33	18508
Apr 5, 2023	F -- (Common Stock)	334	163.45	17568
Mar 4, 2023	F -- (Common Stock)	210	188	17902
Mar 4, 2023	Acquisition -- (Common Stock)	625	0	18112
Mar 3, 2023	Acquisition -- (Common Stock)	8348	0	17487
Mar 1, 2023	F -- (Common Stock)	594	173.44	9139