---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-006578"
form_type: "8-K"
ticker: "BIIB"
cik: "0000875045"
company_name: "BIOGEN INC."
filed_at: "2025-01-15T23:59:59+00:00"
generated_at: "2026-05-28T01:34:36.578030+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Biogen appoints Sean Godbout as Chief Accounting Officer effective March 1, 2025

## Summary
- Sean Godbout to succeed Robin Kramer as CAO and principal accounting officer; Kramer transitions to CFO role upon McDonnell's retirement.
- Michael McDonnell to retire as CFO on March 1, 2025; Kramer previously announced as successor.
- Godbout, age 50, internal promotion from Global Corporate Controller (since Oct 2023), joined Biogen in 2007.
- Base salary $400,000; annual bonus target 40% of base; eligible for long-term incentive grants and executive severance plan.

## SEC filing metadata
- accession: 0001193125-25-006578
- form_type: 8-K
- ticker: BIIB
- cik: 0000875045
- company_name: BIOGEN INC.
- filed_at: 2025-01-15T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/875045/000119312525006578/0001193125-25-006578-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875045/000119312525006578/d830064d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-006578
- JSON: https://secwatch.observer/filing/0001193125-25-006578.json
- Plain text: https://secwatch.observer/filing/0001193125-25-006578.txt

## Key facts
- Executive change
  Robin Kramer was appointed as Chief Financial Officer at BIOGEN INC..
  - Action: appointed
  - Role: Chief Financial Officer
  source text: As previously announced, Ms. Kramer has been appointed the Company’s Chief Financial Officer, effective upon the retirement of Michael McDonnell, the Company’s current Chief Financial Officer.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875045/000119312525006578/0001193125-25-006578-index.htm
- Executive change
  Sean Godbout was appointed as Chief Accounting Officer at BIOGEN INC..
  - Action: appointed
  - Role: Chief Accounting Officer
  source text: On January 13, 2025, Biogen Inc. (the “Company”) appointed Sean Godbout as Vice President, Chief Accounting Officer & Global Corporate Controller and designated Mr. Godbout as the Company’s principal accounting officer, in each case effective as of March 1, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875045/000119312525006578/0001193125-25-006578-index.htm
- Executive change
  Michael McDonnell departed as Chief Financial Officer at BIOGEN INC..
  - Action: retire
  - Role: Chief Financial Officer
  source text: Mr. McDonnell will retire on March 1, 2025.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875045/000119312525006578/0001193125-25-006578-index.htm

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.