Business Context and Reporting Period
This Form 8-K Current Report from Alnylam Pharmaceuticals, Inc. (ALNY) covers events occurring on December 2, 2025, with the report filed on December 3, 2025. The filing addresses significant changes to the composition of the Company's Board of Directors.
Key Financial Metrics
This filing does not contain financial performance data such as revenue, profit, cash flow, margins, debt, or liquidity. The document focuses exclusively on corporate governance and director compensation arrangements.
Material Changes
- Board Resignations: Michael W. Bonney and Carolyn Bertozzi, Ph.D., resigned from the Board of Directors effective December 2, 2025. The resignations were not caused by any disagreement with the Company regarding operations, policies, or practices.
- Board Size Reduction: The Board approved a decrease in the number of directors from eleven to ten.
- New Director Election: Stuart A. Arbuckle was elected as a non-employee director, effective January 5, 2026. He will serve as a Class I director until the 2026 annual meeting of stockholders.
Compensation and Governance Details
Mr. Arbuckle's compensation package includes:
- Cash Retainer: $75,000 annually.
- Initial Stock Option: An option with an aggregate grant date fair value of $600,000, vesting one-third annually over three years. The exercise price will be the closing price of Common Stock on the grant date.
- Future Equity Awards: Eligibility for annual equity awards consistent with other non-employee directors, currently consisting of restricted stock units ($200,000 fair value) and stock options ($200,000 fair value), vesting in full after one year.
- Expenses: Reimbursement for reasonable travel and related expenses.
Investor Verification Checklist
- Verify the effective date of Stuart A. Arbuckle's board service (January 5, 2026) and his term expiration.
- Confirm the total number of directors on the Board is now ten.
- Review the attached press release (Exhibit 99.1) for additional context on the resignations and election.
- Note that no financial results or operational updates are provided in this specific filing.