Stephen A Sherwin Biogen Inc. (BIIB) insider trading activity

Stephen A Sherwin is Director of BIOGEN INC.. Currently has a direct ownership of 13,688 shares of BIIB, which is worth approximately $1.76 Million. The most recent transaction as insider was on Jun 17, 2025, when has been sold 2,370 shares (Common Stock) at a price of $0.0 per share, resulting in proceeds of $0. This information was disclosed in a Form 4 filing with the Securities and Exchange Commission (SEC).

Shares Held (Direct Ownership) 13.7K

20.94% 3M change

31.83% 12M change

Total Value Held $1.76 Million

STEPHEN A SHERWIN Transaction History

Date	Transaction	Value	Shares Traded	Shares Held
Jun 17 2025	BUY Grant, award, or other acquisition	-	2,370 Added 14.76%	13,688 Common Stock
Mar 07 2025	SELL Open market or private sale	$1,314,175 $150.02 p/Share	8,760 Reduced 43.63%	11,318 Common Stock
Jun 21 2024	BUY Grant, award, or other acquisition	-	1,340 Added 6.26%	20,078 Common Stock
Jun 26 2023	BUY Grant, award, or other acquisition	-	960 Added 4.87%	18,738 Common Stock
Jun 15 2022	BUY Grant, award, or other acquisition	-	1,370 Added 6.9%	18,473 Common Stock
Jul 01 2021	BUY Grant, award, or other acquisition	-	775 Added 4.33%	17,103 Common Stock

Also insider at

NBIX

NEUROCRINE BIOSCIENCES INC Healthcare

Director

SAS