Chirfi Guindo - Head of Glob Prod Strat & Com at BIOGEN INC.

Issuer-level insider activity

Role
Head of Glob Prod Strat & Com
Issuer ticker
BIIB on Nasdaq
Identity Names, identifiers, and filing context for this profile. 1 identity field
Entity type
Individual
Source evidence Original filing metadata and source links for verification. 1 source field
Source filing history
Open source filing history

No buys or sells have been reported by Chirfi Guindo since 12 Aug 2025

Reported holdings for Chirfi Guindo in BIOGEN INC.

Form 4 holding Head of Glob Prod Strat & Com

BIOGEN INC.

Security class
Restricted Stock Unit
Shares / value
9,668
Estimated value
$2,313,456
Report date
18 Feb 2022
Price
$239.29
Ownership
Direct
Underlying class
Common Stock
Underlying amount
Form 4 holding Head of Glob Prod Strat & Com

BIOGEN INC.

Security class
Common Stock
Shares / value
7,364
Estimated value
$1,826,272
Report date
18 Feb 2022
Price
$248.00
Ownership
Direct

Transaction history for Chirfi Guindo in BIOGEN INC.

Sym Class Transaction % SEC-reported value SEC-reported price Shares Shares after Date Ownership
* marks a reported price that did not pass the local price check.
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