---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-003554"
form_type: "8-K"
ticker: "ALNY"
cik: "0001178670"
company_name: "ALNYLAM PHARMACEUTICALS, INC."
filed_at: "2023-01-06T23:59:59+00:00"
generated_at: "2026-06-20T18:37:06.651746+00:00"
event_type: "leadership"
sentiment: "positive"
materiality_score: 0.4
calibrated_materiality_score: 0.4
confidence: "high"
source: SEC EDGAR
---

# Alnylam appoints Nobel laureate Carolyn Bertozzi to board; Amy Schulman becomes Chair

## Summary
- Carolyn Bertozzi, Ph.D., Nobel laureate in chemistry, elected to Board effective Jan. 5, 2023.
- Bertozzi receives $55,000 annual cash retainer and option for 4,268 shares at $225.68.
- Michael W. Bonney steps down as Executive Chair, continues as non-independent director.
- Lead Independent Director Amy W. Schulman appointed Chair of the Board.
- Board expands from 11 to 12 directors; Bertozzi to serve as Class III director until 2025 annual meeting.

## SEC filing metadata
- accession: 0001193125-23-003554
- form_type: 8-K
- ticker: ALNY
- cik: 0001178670
- company_name: ALNYLAM PHARMACEUTICALS, INC.
- filed_at: 2023-01-06T23:59:59+00:00
- event_type: leadership
- sentiment: positive
- materiality_score: 0.4
- calibrated_materiality_score: 0.4
- confidence: high
- sec_items: 5.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1178670/000119312523003554/0001193125-23-003554-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1178670/000119312523003554/d426017d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-003554
- JSON: https://secwatch.observer/filing/0001193125-23-003554.json
- Plain text: https://secwatch.observer/filing/0001193125-23-003554.txt

## Key facts
- Executive change
  Carolyn R. Bertozzi was elected as Director at ALNYLAM PHARMACEUTICALS, INC..
  - Action: elected
  - Role: Director
  source text: Effective as of January 5, 2023, the Board of Directors (the “Board”) of Alnylam Pharmaceuticals, Inc. (the “Company”), following the recommendation of its Nominating and Corporate Governance Committee, expanded the size of the Company’s Board from eleven to twelve and elected Dr. Carolyn R. Bertozzi to fill the newly created vacancy.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1178670/000119312523003554/0001193125-23-003554-index.htm

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