SEC Form 4 · accession 0001178670-26-000065
ALNYLAM PHARMACEUTICALS, INC. · ALNY
Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗
Reporting owner
Yvonne Greenstreet
Officer — Chief Executive Officer · Director
Period of report
Sep 19, 2026
Accepted (ET)
Sep 22, 2026 · 4:07 pm EDT
Rule 10b5-1 plan
box not checked
Issuer CIK
0001178670
Table I — non-derivative securities
| Security | Date | Code | Shares | Price | A/D | Owned after | D/I | Nature of ownership |
|---|---|---|---|---|---|---|---|---|
| Common Stock | Sep 19, 2026 | A | 107 | $0.00 | A | 95,802 | D | |
| Common StockF2 | holding | — | — | — | 407 | I | by Managed Account |
Table II — derivative securities
No Table II lines on this filing.
Explanation of responses
- F1On February 23, 2016, the People, Culture, and Compensation Committee of the issuer approved the issuance of shares of Company common stock having an aggregate value of USD $50,000 to each employee who completes 10 consecutive years of employment. The shares issued and reported here on Form 4, net of the minimum statutory tax liability, were issued to the reporting person in recognition of 10 years of continuous employment on September 19, 2026.
- F2Reflects shares of ALNY common stock acquired by the reporting person under the ALNY 401(k) plan as a result of the ALNY 401(k) matching contribution program.