---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-24-217633"
form_type: "8-K"
ticker: "BIIB"
cik: "0000875045"
company_name: "BIOGEN INC."
filed_at: "2024-09-12T23:59:59+00:00"
generated_at: "2026-05-31T05:22:15.637721+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "high"
source: SEC EDGAR
---

# Biogen elects Dr. Lloyd Minor and Prof Sir Menelas Pangalos to Board

## Summary
- Board size increased; Dr. Lloyd Minor effective Oct 1, 2024; Prof Sir Mene Pangalos effective Jan 1, 2025.
- Both directors serve until 2025 Annual Meeting; receive standard non-employee director compensation.
- Each will enter into indemnification agreement on same terms as other directors.

## SEC filing metadata
- accession: 0001193125-24-217633
- form_type: 8-K
- ticker: BIIB
- cik: 0000875045
- company_name: BIOGEN INC.
- filed_at: 2024-09-12T23:59:59+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/875045/000119312524217633/0001193125-24-217633-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/875045/000119312524217633/d896502d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-24-217633
- JSON: https://secwatch.observer/filing/0001193125-24-217633.json
- Plain text: https://secwatch.observer/filing/0001193125-24-217633.txt

## Key facts
- Executive change
  Sir Menelas (Mene) Pangalos was elected as director at BIOGEN INC..
  - Action: elected
  - Role: director
  source text: On September 11, 2024, the Board of Directors (the “Board”) of Biogen Inc. (the “Company”) increased the size of the Board and elected Lloyd B. Minor, M.D. and Sir Menelas (Mene) Pangalos, Ph.D. as directors, effective October 1, 2024 and January 1, 2025, respectively, with each director’s term expiring at the Company’s 2025 Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875045/000119312524217633/0001193125-24-217633-index.htm
- Executive change
  Lloyd B. Minor was elected as director at BIOGEN INC..
  - Action: elected
  - Role: director
  source text: On September 11, 2024, the Board of Directors (the “Board”) of Biogen Inc. (the “Company”) increased the size of the Board and elected Lloyd B. Minor, M.D. and Sir Menelas (Mene) Pangalos, Ph.D. as directors, effective October 1, 2024 and January 1, 2025, respectively, with each director’s term expiring at the Company’s 2025 Annual Meeting of Stockholders.
  evidence_url: https://www.sec.gov/Archives/edgar/data/875045/000119312524217633/0001193125-24-217633-index.htm

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