BIOGEN INC. - BIIB

Insiders (Form 4) · last 180 days · showing up to 200 transactions · Form 144 is shown in the SEC filings tab · Updating…
Visible: 0
Transaction codes: P = Open-market purchase · S = Open-market sale · A = Grant/award · M = Exercise/conversion of derivative · G = Gift · F = Tax withholding · J = Other · A/D: A = Acquired (buy/receive) · D = Disposed (sell/give)
Filed Owner Title Code A/D Shares Price Value Shares after SEC
Aug 05, 2026 S D 593.0 200.96 119,169.28 2,689.0 View
Aug 05, 2026 S D 593.0 203.34 120,580.62 3,282.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 10,365.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 15,193.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 25,844.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 11,263.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 6,634.1 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 5,215.0 View
Jun 11, 2026 M D 2,370.0 0.0 0.0 0.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 3,875.0 View
Jun 11, 2026 M A 2,370.0 0.0 0.0 2,370.0 View
Jun 11, 2026 A A 1,505.0 0.0 0.0 3,875.0 View
Jun 11, 2026 A A 2,005.0 0.0 0.0 8,820.0 View
May 05, 2026 Head of Corporate Development M D 939.0 0.0 0.0 0.0 View
May 05, 2026 Head of Corporate Development F D 455.0 187.06 85,112.3 6,365.0 View
May 05, 2026 Head of Corporate Development M A 939.0 0.0 0.0 6,820.0 View
Apr 03, 2026 Chief Accounting Officer M D 181.0 0.0 0.0 364.0 View
Apr 03, 2026 Chief Accounting Officer F D 54.0 183.78 9,924.12 1,341.67 View
Apr 03, 2026 Chief Accounting Officer M A 181.0 0.0 0.0 1,395.67 View