BIIB

Biogen Inc.NASDAQ

253.21 USDT+0.12%Bybit perpetual · refreshed every 30s

24h value$5.2KOpen interest$19.9KFunding0.0000%biogen.com ↗

Key filings

Earnings, material events (8-K), quarterly and annual reports, ownership reports

2026-08-06SCHEDULE 13G/A5%+ ownership (passive) (Amended)Source ↗
2026-07-2910-QQuarterly reportSource ↗
2026-07-298-KMaterial event report · Earnings releaseSource ↗
2026-07-018-KMaterial event report · Earnings releaseSource ↗
2026-06-108-KMaterial event report · Shareholder vote resultsSource ↗
2026-06-108-K/AMaterial event report (Amended) · Financial statements & exhibitsSource ↗
2026-06-05SCHEDULE 13G/A5%+ ownership (passive) (Amended)Source ↗
2026-05-14SCHEDULE 13D/A5%+ ownership (active) (Amended)Source ↗
2026-05-148-KMaterial event report · Material agreement, Acquisition or disposition, New financial obligation, Reg FD disclosureSource ↗
2026-05-06SCHEDULE 13G/A5%+ ownership (passive) (Amended)Source ↗
2026-04-29SCHEDULE 13G5%+ ownership (passive)Source ↗
2026-04-2910-QQuarterly reportSource ↗
2026-04-298-KMaterial event report · Earnings releaseSource ↗
2026-04-28DEF 14AProxy statementSource ↗
2026-04-06SCHEDULE 13D5%+ ownership (active)Source ↗

Filings are in English. Form and item labels are only a classification to help you navigate and do not interpret the filing.

Stock transactions by officers and major holders (Form 4) and notices of proposed sale (Form 144)