ALNYLAM PHARMACEUTICALS, INC.
For the period ended Dec 31, 2025. Filed Feb 12, 2026.
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FY2025 · Filed Feb 12, 2026
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ITEM 9B. OTHER INFORMATION
Adoption of 10b5-1 Trading Plans by Our Officers and Directors
During our fiscal quarter ended December 31, 2025, certain of our officers (as defined in Rule 16a-1(f) under the Exchange Act) and directors entered into written plans for the sale of our securities that are intended to satisfy the conditions specified in
Rule 10b5-1(c) under the Exchange Act for an affirmative defense against liability for trading in securities on the basis of material nonpublic information. We refer to these written plans as “Rule 10b5-1 trading plans.” We describe the material terms of the Rule 10b5-1 trading plans below.
David E.I. Pyott, Director
On November 12, 2025, David E.I. Pyott, amember of our board of directors, entered into a Rule 10b5-1 trading plan that provides that Mr. Pyott, acting through a broker, may sell up to an aggregate of 7,610 shares of our common stock received upon the exercise of options granted to Mr. Pyott as director compensation, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock. Sales of shares under the plan may only occur if the market price of our common stock is above specified prices from February 11, 2026 to October 14, 2026. The plan is scheduled to terminate on October 14, 2026, subject to earlier termination upon the sale of all shares subject to the plan, upon termination by Mr. Pyott or the broker, or as otherwise provided in the plan.
Pushkal Garg, M.D., Chief Research and Development Officer
On November 20, 2025, Pushkal Garg, M.D. our Chief Research and Development Officer, entered into a Rule 10b5-1 trading plan that provides that Dr. Garg, acting through a broker, may sell up to an aggregate of 25,418 shares of our common stock received upon the settlement of awards granted to Dr. Garg as equity incentive compensation, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock. Sales of shares under the plan may only occur from February 27, 2026 to November 1, 2026. The plan is scheduled to terminate on November 1, 2026, subject to earlier termination upon the sale of all shares subject to the plan, upon termination by Dr. Garg or the broker, or as otherwise provided in the plan.
Tolga Tanguler, Chief Commercial Officer
On November 14, 2025, Tolga Tanguler, our Chief Commercial Officer, entered into a Rule 10b5-1 trading plan that provides that Mr. Tanguler, acting through a broker, may sell up to an aggregate of 25,782 shares of our common stock received upon the settlement of awards granted to Mr. Tanguler as equity incentive compensation, subject to adjustments for stock splits, stock combinations, stock dividends and other similar changes to our common stock. Sales of shares under the plan may only occur from February 13, 2026 to November 15, 2026. The plan is scheduled to terminate on November 15, 2026, subject to earlier termination upon the sale of all shares subject to the plan, upon termination by Mr. Tanguler or the broker, or as otherwise provided in the plan.
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