NasdaqGS - Delayed Quote USD

Biogen Inc. (BIIB)

208.90 +6.44 (+3.18%)
At close: April 26 at 4:00 PM EDT
208.50 -0.40 (-0.19%)
After hours: April 26 at 7:51 PM EDT

All S.E.C. Filings

DEF 14A : Proxy Statements

April 26, 2024

10-Q : Periodic Financial Reports

April 24, 2024

8-K : Corporate Changes & Voting Matters

April 24, 2024

PRE 14A : Proxy Statements

April 12, 2024

10-K : Periodic Financial Reports

February 14, 2024

8-K : Corporate Changes & Voting Matters

February 13, 2024

SC 13G/A : Tender Offer/Acquisition Reports

February 12, 2024

SC 13G/A : Tender Offer/Acquisition Reports

February 12, 2024

8-K : Corporate Changes & Voting Matters

December 12, 2023

10-Q : Periodic Financial Reports

November 8, 2023

8-K : Corporate Changes & Voting Matters

November 8, 2023

8-K : Corporate Changes & Voting Matters

November 8, 2023

8-K/A : Corporate Changes & Voting Matters

September 28, 2023

8-K : Corporate Changes & Voting Matters

September 26, 2023

8-K : Corporate Changes & Voting Matters

September 1, 2023

SC 13D : Tender Offer/Acquisition Reports

August 7, 2023

DEFA14A : Proxy Statements

July 31, 2023

8-K : Corporate Changes & Voting Matters

July 31, 2023

8-K : Corporate Changes & Voting Matters

July 28, 2023

DEFA14A : Proxy Statements

July 28, 2023

8-K : Corporate Changes & Voting Matters

July 25, 2023

10-Q : Periodic Financial Reports

July 25, 2023

8-K : Corporate Changes & Voting Matters

June 29, 2023

DEFA14A : Proxy Statements

June 12, 2023

8-K : Corporate Changes & Voting Matters

May 3, 2023

DEF 14A : Proxy Statements

April 28, 2023

8-K : Corporate Changes & Voting Matters

April 25, 2023

10-Q : Periodic Financial Reports

April 25, 2023

8-K : Corporate Changes & Voting Matters

April 18, 2023

8-K : Corporate Changes & Voting Matters

March 9, 2023

10-K : Periodic Financial Reports

February 15, 2023

8-K : Corporate Changes & Voting Matters

February 15, 2023

SC 13G/A : Tender Offer/Acquisition Reports

February 9, 2023

SC 13G/A : Tender Offer/Acquisition Reports

February 9, 2023

8-K : Corporate Changes & Voting Matters

November 10, 2022

10-Q : Periodic Financial Reports

October 25, 2022

8-K : Corporate Changes & Voting Matters

October 25, 2022

10-Q : Periodic Financial Reports

July 20, 2022

8-K/A : Corporate Changes & Voting Matters

July 20, 2022

8-K : Corporate Changes & Voting Matters

July 20, 2022

8-K : Corporate Changes & Voting Matters

June 21, 2022

DEFA14A : Proxy Statements

June 7, 2022

10-Q : Periodic Financial Reports

May 3, 2022

8-K : Corporate Changes & Voting Matters

May 3, 2022

DEFA14A : Proxy Statements

April 29, 2022

DEF 14A : Proxy Statements

April 29, 2022

SC 13G/A : Tender Offer/Acquisition Reports

February 10, 2022

SC 13G/A : Tender Offer/Acquisition Reports

February 9, 2022

Performance Overview

Return BIIB S&P 500
YTD -19.27% +6.92%
1-Year -26.03% +25.26%
3-Year -20.46% +22.00%