Biogen Inc.

BIIB
As of the close on Sep 25, 2026
Price
$227.60
Market cap
$33.6B
P/E (diluted TTM)
40.4
EPS (TTM)
$5.63
Four quarters to Jun 30, 2026
Dividend yield
—
Dividend records do not yet cover the latest payments

Figures shown here come from public SEC filings. Dates beside each section show the available history.

How Biogen Inc. Makes Money

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From revenue to net income

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Source: Biogen Inc. — 10-Q filed Jul 29, 2026

Financial Summary

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SEC filings supply these figures; updates after the dates shown are not included. This page includes 19 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated Jun 11, 2026.

Ownership

Who holds the shares, as reported in SEC ownership filings.

Purchases & sales (open market or private)

SecurityCodePriceFiling
2026-02-12Murphy Nicole · Head of Pharm Ops and TechCommon StockP — Open market or private purchase+3195.04SEC filing
2026-02-09Singhal Priya · Head of DevelopmentCommon StockS — Open market or private sale−2,660199.83SEC filing
2026-02-02Singhal Priya · Head of DevelopmentCommon StockS — Open market or private sale−748179.30SEC filing
2025-09-02Singhal Priya · Head of DevelopmentCommon StockS — Open market or private sale−517133.55SEC filing
2025-07-08Izzar Rachid · Head of Global Product Strat.Common StockS — Open market or private sale−2,223135.00SEC filing
2025-05-19Singhal Priya · Head of DevelopmentCommon StockS — Open market or private sale−3,806126.25SEC filing
2025-05-02DORSA CAROLINE · DirectorCommon StockP — Open market or private purchase+1,235122.72SEC filing
2025-03-07SHERWIN STEPHEN A · DirectorCommon StockS — Open market or private sale−8,760150.02SEC filing

Showing 8 of 10 rows

Grants, exercises, tax & gifts

SecurityCodeFiling
2026-06-09Pangalos Menelas N · DirectorRestricted Stock UnitM — Exercise or conversion of derivative security−2,370SEC filing
2026-06-09Pangalos Menelas N · DirectorCommon StockM — Exercise or conversion of derivative security+2,370SEC filing
2026-06-09SHERWIN STEPHEN A · DirectorCommon StockA — Grant, award, or other acquisition+1,505SEC filing
2026-06-09LANGER SUSAN · DirectorCommon StockA — Grant, award, or other acquisition+1,505SEC filing
2026-06-09Pangalos Menelas N · DirectorCommon StockA — Grant, award, or other acquisition+1,505SEC filing
2026-06-09Mantas Jesus B · DirectorCommon StockA — Grant, award, or other acquisition+1,505SEC filing
2026-06-09Patolawala Monish D · DirectorCommon StockA — Grant, award, or other acquisition+1,505SEC filing
2026-06-09HAWKINS WILLIAM A · DirectorCommon StockA — Grant, award, or other acquisition+1,505SEC filing

Showing 8 of 32 rows

These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.