---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-23-245768"
form_type: "8-K"
ticker: "ALNY"
cik: "0001178670"
company_name: "ALNYLAM PHARMACEUTICALS, INC."
filed_at: "2023-09-28T23:59:59+00:00"
generated_at: "2026-06-10T07:26:34.695315+00:00"
event_type: "leadership"
sentiment: "neutral"
materiality_score: 0.3
calibrated_materiality_score: 0.3
confidence: "high"
source: SEC EDGAR
---

# Alnylam director Marsha H. Fanucci resigns; Peter N. Kellogg named Audit Chair

## Summary
- Marsha H. Fanucci resigned from Board effective Sept 29, 2023; no disagreement with company.
- Peter N. Kellogg appointed Chair of Audit Committee; qualifies as audit committee financial expert.
- Board size reduced from 13 to 12 members effective upon Fanucci's resignation.

## SEC filing metadata
- accession: 0001193125-23-245768
- form_type: 8-K
- ticker: ALNY
- cik: 0001178670
- company_name: ALNYLAM PHARMACEUTICALS, INC.
- filed_at: 2023-09-28T23:59:59+00:00
- event_type: leadership
- sentiment: neutral
- materiality_score: 0.3
- calibrated_materiality_score: 0.3
- confidence: high
- sec_items: 5.02
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1178670/000119312523245768/0001193125-23-245768-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1178670/000119312523245768/d477237d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-23-245768
- JSON: https://secwatch.observer/filing/0001193125-23-245768.json
- Plain text: https://secwatch.observer/filing/0001193125-23-245768.txt

## Key facts
- Executive change
  Marsha H. Fanucci resigned as Director at ALNYLAM PHARMACEUTICALS, INC..
  - Action: resigned
  - Role: Director
  source text: On September 26, 2023, Marsha H. Fanucci informed the Board of Directors (the “Board”) of Alnylam Pharmaceuticals, Inc. (the “Company”) of her resignation from the Board effective as of September 29, 2023.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1178670/000119312523245768/0001193125-23-245768-index.htm

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