$BIIB 4 SEC Filings

Filed On	Filing
05 Oct 2026	Form 4: Godbout Sean, Chief Accounting Officer Granted 985 Restricted Stock Unit · Received 27 shares by exercise or conversion · Gave up 8 shares to cover exercise price or tax ($1.76K)
03 Sep 2026	Form 4: Parini Michael, Chief Legal Officer Granted 7,405 Restricted Stock Unit
05 Aug 2026	Form 4: Minor Lloyd, Director Sold 593 shares ($121K) · Sold 593 shares ($119K)
11 Jun 2026	Form 4: Hawkins William A, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Sherwin Stephen A, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Rowinsky Eric K, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Mantas Jesus B, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Langer Susan, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Patolawala Monish D, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Pangalos Menelas N, Director Received 2,370 shares by exercise or conversion · Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Minor Lloyd, Director Received 1,505 shares as a grant or award
11 Jun 2026	Form 4: Freire Maria C, Director Received 2,005 shares as a grant or award
05 May 2026	Form 4: Keeney Adam, Head of Corporate Development Received 939 shares by exercise or conversion · Gave up 455 shares to cover exercise price or tax ($85.1K)
03 Apr 2026	Form 4: Godbout Sean, Chief Accounting Officer Received 181 shares by exercise or conversion · Gave up 54 shares to cover exercise price or tax ($9.92K)
17 Feb 2026	Form 4: Viehbacher Christopher, Director Granted 38,015 Restricted Stock Unit
17 Feb 2026	Form 4: Singhal Priya, Head of Development Granted 10,560 Restricted Stock Unit
17 Feb 2026	Form 4: Murphy Nicole, Head of Pharm Ops and Tech Bought 3 shares ($585) · Granted 10,560 Restricted Stock Unit
17 Feb 2026	Form 4: Kramer Robin, Chief Financial Officer Granted 8,450 Restricted Stock Unit
17 Feb 2026	Form 4: Keeney Adam, Head of Corporate Development Granted 8,025 Restricted Stock Unit
17 Feb 2026	Form 4: Izzar Rachid, Head of Global Product Strat. Granted 7,390 Restricted Stock Unit

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