Adam Keeney

CIK: 0001973607

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)0 (0.0%)

Position reduction

Option Exercises (M)5 (41.7%)

Derivative conversions

Awards (A)2 (16.7%)

Compensation grants

Other (G, F, J, C, D, …)5 (41.7%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

BIIB

BIOGEN INC.

Officer

Discretionary Trading P&L

Holdings

Transaction History (12 total)

BIIB
BIOGEN INC.
May 1, 2026
Tax Payment(F)
Direct
455 shares at avg. $187.06$85K
BIIB
BIOGEN INC.
May 1, 2026
Exercise(M)
Direct
939 shares-
BIIB
BIOGEN INC.
Feb 13, 2026
Award(A)
Restricted Stock Unit
Direct
8K shares-
BIIB
BIOGEN INC.
Feb 6, 2026
Tax Payment(F)
Direct
994 shares at avg. $201.18$200K
BIIB
BIOGEN INC.
Feb 6, 2026
Exercise(M)
Direct
1.8K shares-
BIIB
BIOGEN INC.
Feb 6, 2026
Tax Payment(F)
Direct
589 shares at avg. $201.18$118K
BIIB
BIOGEN INC.
Feb 6, 2026
Exercise(M)
Direct
3.3K shares-
BIIB
BIOGEN INC.
May 1, 2025
Tax Payment(F)
Direct
454 shares at avg. $120.93$55K
BIIB
BIOGEN INC.
May 1, 2025
Exercise(M)
Direct
938 shares-
BIIB
BIOGEN INC.
Feb 7, 2025
Tax Payment(F)
Direct
563 shares at avg. $141.35$80K
BIIB
BIOGEN INC.
Feb 7, 2025
Exercise(M)
Direct
1.8K shares-
BIIB
BIOGEN INC.
Feb 6, 2025
Award(A)
Restricted Stock Unit
Direct
9.8K shares-

		Type	Shares	Price		Ownership
May 1, 2026	BIIB BIOGEN INC.	Tax Payment(F)	455	$187.06	$85,112	Direct
May 1, 2026	BIIB BIOGEN INC.	Exercise(M)	939	-	$0	Direct
Feb 13, 2026	BIIB BIOGEN INC.	Award(A) Restricted Stock Unit	8,025	-	-	Direct
Feb 6, 2026	BIIB BIOGEN INC.	Tax Payment(F)	994	$201.18	$199,973	Direct
Feb 6, 2026	BIIB BIOGEN INC.	Exercise(M)	1,802	-	$0	Direct
Feb 6, 2026	BIIB BIOGEN INC.	Tax Payment(F)	589	$201.18	$118,495	Direct
Feb 6, 2026	BIIB BIOGEN INC.	Exercise(M)	3,278	-	$0	Direct
May 1, 2025	BIIB BIOGEN INC.	Tax Payment(F)	454	$120.93	$54,902	Direct
May 1, 2025	BIIB BIOGEN INC.	Exercise(M)	938	-	-	Direct
Feb 7, 2025	BIIB BIOGEN INC.	Tax Payment(F)	563	$141.35	$79,580	Direct
Feb 7, 2025	BIIB BIOGEN INC.	Exercise(M)	1,801	-	-	Direct
Feb 6, 2025	BIIB BIOGEN INC.	Award(A) Restricted Stock Unit	9,835	-	-	Direct

1-12 of 12 transactions

About Keeney Adam

Keeney Adam (SEC CIK 0001973607) files insider reports with the SEC as Head of Corporate Development of BIOGEN INC. (BIIB).

Signal8 holds 5 ownership filings by Keeney Adam, all Form 4s, filed between Feb 10, 2025 and May 5, 2026. Those filings report 12 transactions, from Feb 6, 2025 to May 1, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Keeney Adam's filings is in CAMBRIDGE, MA.

Recent filings by Keeney Adam

May 1, 2026: Tax withholding of BIIB shares (Form 4, code F).
May 1, 2026: Option exercise of BIIB shares (Form 4, code M).
Feb 13, 2026: Grant or award of BIIB derivative securities (Form 4, code A).
Feb 6, 2026: Tax withholding of BIIB shares (Form 4, code F).
Feb 6, 2026: Option exercise of BIIB shares (Form 4, code M).

Other insiders filing for BIOGEN INC. (BIIB)

Grogan Jane, Head of Research
Godbout Sean, Chief Accounting Officer
Parini Michael, Chief Legal Officer
Minor Lloyd, Director
HAWKINS WILLIAM A, Director
SHERWIN STEPHEN A, Director

How to read Form 4 transaction codes