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 |
|---|---|---|---|---|---|---|---|---|---|
| Oct 05, 2026 | Chief Accounting Officer | M | D | 27.0 | 0.0 | 0.0 | 0.0 | View | |
| Oct 05, 2026 | Chief Accounting Officer | A | A | 985.0 | 0.0 | 0.0 | 985.0 | View | |
| Oct 05, 2026 | Chief Accounting Officer | F | D | 8.0 | 219.88 | 1,759.04 | 1,458.98 | View | |
| Oct 05, 2026 | Chief Accounting Officer | M | A | 27.0 | 0.0 | 0.0 | 1,466.98 | View | |
| Sep 03, 2026 | Chief Legal Officer | A | A | 7,405.0 | 0.0 | 0.0 | 7,405.0 | View | |
| 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 |