Biogen

Priya Singhal sold 2,660 shares of BIIB on 9 February. They now own 8,043 BIIB shares, or a 25% holding decrease.

Priya Singhal sold 748 shares of BIIB on 2 February. They now own 6,271 BIIB shares, or a 11% holding decrease.

Robert W Pangia sold 5,900 shares of BIIB on 28 May. They now own 12,698 BIIB shares, or a 32% holding decrease.

Alexander J Denner sold 37,975 shares of BIIB on 28 May. They now own 4,920 BIIB shares, or a 89% holding decrease.

Richard Mulligan sold 37,975 shares of BIIB on 28 May. They now own 2,020 BIIB shares, or a 95% holding decrease.

Stephen A Sherwin sold 12,825 shares of BIIB on 3 June. They now own 2,655 BIIB shares, or a 83% holding decrease.

Lynn Schenk sold 2,000 shares of BIIB on 10 June. They now own 2,920 BIIB shares, or a 41% holding decrease.

Stelios Papadopoulos sold 2,020 shares of BIIB on 11 June. They now own 12,930 BIIB shares, or a 14% holding decrease.

Brian S Posner sold 2,020 shares of BIIB on 11 June. They now own 8,130 BIIB shares, or a 20% holding decrease.

Alexander J Denner sold 2,900 shares of BIIB on 14 June. They now own 6,325 BIIB shares, or a 31% holding decrease.

Douglas E Williams sold 4,368 shares of BIIB on 26 August. They now own 4,571 BIIB shares, or a 49% holding decrease.

Lynn Schenk sold 900 shares of BIIB on 11 September. They now own 3,325 BIIB shares, or a 21% holding decrease.

Paul J Clancy sold 99,030 shares of BIIB on 16 September. They now own 7,087 BIIB shares, or a 93% holding decrease.

Raymond Pawlicki sold 4,000 shares of BIIB on 16 September. They now own 8,710 BIIB shares, or a 31% holding decrease.

Alfred Sandrock sold 9,820 shares of BIIB on 16 September. They now own 14,500 BIIB shares, or a 40% holding decrease.

Steven H Holtzman sold 3,501 shares of BIIB on 17 September. They now own 4,885 BIIB shares, or a 42% holding decrease.

Paul J Clancy sold 26,785 shares of BIIB on 18 September. They now own 7,087 BIIB shares, or a 79% holding decrease.

Kenneth Dipietro sold 1,440 shares of BIIB on 30 September. They now own 0 BIIB shares, or a 100% holding decrease.

George A Scangos sold 2,239 shares of BIIB on 1 October. They now own 41,283 BIIB shares, or a 5% holding decrease.

Lynn Schenk sold 1,000 shares of BIIB on 1 October. They now own 6,100 BIIB shares, or a 14% holding decrease.

Alfred Sandrock sold 15,030 shares of BIIB on 22 October. They now own 14,500 BIIB shares, or a 51% holding decrease.

George A Scangos sold 2,239 shares of BIIB on 1 November. They now own 39,044 BIIB shares, or a 5% holding decrease.

Lynn Schenk sold 1,000 shares of BIIB on 1 November. They now own 5,100 BIIB shares, or a 16% holding decrease.

Raymond Pawlicki sold 4,000 shares of BIIB on 22 November. They now own 8,710 BIIB shares, or a 31% holding decrease.

Lynn Schenk sold 1,000 shares of BIIB on 2 December. They now own 4,100 BIIB shares, or a 20% holding decrease.