BIOGEN INC.
Biological Products, (No Diagnostic Substances) | SIC: 2836Phone: 6176792000
EIN: 330112644
State Location: MA
State of Inc.: DE
- Nasdaq:BIIB
Form: 8-K
Filing Date: 31 Mar 2026Report Date: 31 Mar 2026
Accepted: 31 Mar 2026 03:03 p.m.
Accession Number: 0001193125-26-134889
File Number: 000-19311
Film Number: 26823194
Items: 1.01,8.01,9.01
Documents
Primary Document: 8-K
Accepted: 31 Mar 2026 03:03 p.m.
0001193125-26-134889-index-headers.html
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0001193125-26-134889-index.html
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0001193125-26-134889.txt
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0001193125-26-134889-xbrl.zip
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biib-20260331.xsd
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biib-20260331_lab.xml
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biib-20260331_pre.xml
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d14986d8k_htm.xml
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d14986dex21.htm
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d14986dex993.htm
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FilingSummary.xml
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