Latest filing published 05 May 2026 for BIOGEN INC.. Read the official filing
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Adam Keeney discloses dealings in Biogen Inc. to SEC (Form 4). We count 6 filings; the first trade dates from 1 May 2024 and the latest from 1 May 2026.
The filings describe grants, exercises and other transfers rather than trades on the open market. Grants and option exercises follow pay plans set in advance, so they reveal less about an insider's own view than a purchase made with personal money.
The newest entry dates from 5 May 2026: an option exercise, in Biogen Inc. Between a trade and the moment it shows up on SEC (Form 4), the median delay is 4 days. Section 16 rules allow two business days to file each Form 4. Source: insider filings from SEC (Form 4). Past trades are no guide to future returns.
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6 of 6 declarations