FilingIndex
8-KThe WireRed Alert

Executive Change · Company Update

Filed Mar 9, 2023 · 3y ago · Accession 0001193125-23-064961

Plain English

Material event — a significant development the company must disclose promptly.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
BIIB
CIK
875045
Form type
8-K
Filing date
Mar 9, 2023
Report date
Mar 5, 2023
Document
d446055d8k.htm
Size
134 KB