---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-004133"
form_type: "8-K"
ticker: "ANNX"
cik: "0001528115"
company_name: "Annexon, Inc."
filed_at: "2025-01-10T23:59:59+00:00"
generated_at: "2026-05-28T04:54:45.954177+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Annexon appoints commercial executive William 'BJ' Jones to board of directors

## Summary
- William 'BJ' Jones appointed to Board as Class I director effective Jan 9, 2025, term through 2027 annual meeting.
- Receives $40K annual retainer, initial 88K-share option (3-yr monthly vest), and 44K-share annual option.
- Jones brings 30 years commercial launch experience; currently CCO at NewAmsterdam Pharma; previously at Biohaven (acquired by Pfizer for $11.6B).
- Company notes his expertise valuable as ANX005 (Guillain-Barré Syndrome) and ANX007 (geographic atrophy) approach commercialization.

## SEC filing metadata
- accession: 0001193125-25-004133
- form_type: 8-K
- ticker: ANNX
- cik: 0001528115
- company_name: Annexon, Inc.
- filed_at: 2025-01-10T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1528115/000119312525004133/0001193125-25-004133-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1528115/000119312525004133/d796195d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-004133
- JSON: https://secwatch.observer/filing/0001193125-25-004133.json
- Plain text: https://secwatch.observer/filing/0001193125-25-004133.txt

## Key facts
- Executive change
  William Jones was appointed as Director at Annexon, Inc..
  - Action: appointed
  - Role: Director
  source text: On January 9, 2025, the Board of Directors (the “Board”) of Annexon, Inc. (the “Company”) appointed William Jones, to the Board, effectively immediately.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1528115/000119312525004133/0001193125-25-004133-index.htm

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