BIIB · Biogen Inc. · Documents

May 1

Quarterly report 10-Q FY2025 Q1, ended Mar 31

Quarterly report for FY2025 Q1

Revenue $2.43B ▲ 6.1% Net income $240.5M ▼ 38.9% Diluted EPS $1.64 ▼ 39.3%

May 1

Registration statement S-3ASR

Registration statement

Apr 28

Proxy statement DEF 14A Meeting Jun 17, 2025

Proxy statement

Apr 28

Annual report to holders ARS

Annual report to holders

Apr 28

Proxy statement DEFA14A

Proxy statement

Feb 12

Earnings call

Q4 2024 earnings call

Feb 12

Current report 8-K

Financial results

Feb 12

Annual report 10-K FY2024, ended Dec 31

Annual report for FY2024

Revenue $9.68B ▼ 1.6% Net income $1.63B ▲ 40.6% Diluted EPS $11.18 ▲ 40.3%

Jan 15

Current report 8-K Events of Jan 13

Director or officer change, or executive pay

Oct 30

Earnings call

Q3 2024 earnings call

Oct 30

Current report 8-K

Financial results

Oct 30

Current report 8-K Events of Oct 28

Director or officer change, or executive pay, Regulation FD disclosure

Oct 30

Quarterly report 10-Q FY2024 Q3, ended Sep 30

Quarterly report for FY2024 Q3

Revenue $2.47B ▼ 2.5% Net income $388.5M Diluted EPS $2.66

Sep 12

Current report 8-K Events of Sep 11

Director or officer change, or executive pay

Aug 14

Current report 8-K Events of Aug 12

Entered into a material agreement, Ended a material agreement, New debt or off-balance-sheet obligation

Aug 1

Earnings call

Q2 2024 earnings call

Aug 1

Current report 8-K

Financial results

Aug 1

Quarterly report 10-Q FY2024 Q2, ended Jun 30

Quarterly report for FY2024 Q2

Revenue $2.46B ▲ 0.4% Net income $583.6M ▼ 1.4% Diluted EPS $4.00 ▼ 1.7%

Jun 25

Current report 8-K Events of Jun 20

Charter or bylaw amendment, or fiscal year change, Shareholder vote results

Apr 26

Proxy statement DEF 14A Meeting Jun 20, 2024

Proxy statement

Apr 26

Annual report to holders ARS

Annual report to holders

Apr 26

Proxy statement DEFA14A

Proxy statement

Apr 24

Earnings call

Q1 2024 earnings call

Apr 24

Current report 8-K

Financial results

Apr 24

Quarterly report 10-Q FY2024 Q1, ended Mar 31

Quarterly report for FY2024 Q1

Revenue $2.29B ▼ 7.0% Net income $393.4M ▲ 1.4% Diluted EPS $2.70 ▲ 1.1%

Apr 12

Proxy statement PRE 14A Meeting Jun 20, 2024

Proxy statement

Feb 14

Annual report 10-K FY2023, ended Dec 31

Annual report for FY2023

Revenue $9.84B ▼ 3.3% Net income $1.16B ▼ 61.9% Diluted EPS $7.97 ▼ 61.8%

Feb 13

Earnings call

Q4 2023 earnings call

Feb 13

Current report 8-K

Financial results

Dec 12

Current report 8-K Events of Dec 6

Charter or bylaw amendment, or fiscal year change

Nov 8

Earnings call

Q3 2023 earnings call

Nov 8

Current report 8-K

Financial results

Nov 8

Current report 8-K Events of Nov 6

Director or officer change, or executive pay

Nov 8

Quarterly report 10-Q FY2023 Q3, ended Sep 30

Quarterly report for FY2023 Q3

Revenue $2.53B ▲ 0.9% Net loss $68.1M Diluted EPS -$0.47

Sep 28

Current report 8-K/A Events of Jun 26

Shareholder vote results

Sep 26

Current report 8-K

Other events

Sep 1

Current report 8-K Events of Aug 28

Entered into a material agreement, New debt or off-balance-sheet obligation

Jul 31

Current report 8-K Events of Jul 28

Entered into a material agreement, Charter or bylaw amendment, or fiscal year change

Jul 31

Proxy statement DEFA14A

Proxy statement

Jul 28

Current report 8-K

Other events

Jul 28

Proxy statement DEFA14A

Proxy statement

Jul 25

Earnings call

Q2 2023 earnings call

Jul 25

Current report 8-K

Financial results

Jul 25

Quarterly report 10-Q FY2023 Q2, ended Jun 30

Quarterly report for FY2023 Q2

Revenue $2.46B ▼ 5.1% Net income $591.6M ▼ 44.1% Diluted EPS $4.07 ▼ 43.8%

Jun 29

Current report 8-K Events of Jun 26

Shareholder vote results

Jun 13

Proxy statement DEFA14A

Proxy statement

Jun 13

Proxy statement DEFR14A

Proxy statement

Jun 12

Proxy statement DEFA14A

Proxy statement

May 3

Current report 8-K

Other events

Apr 28

Proxy statement DEF 14A

Proxy statement