Company Analysis

Alnylam Pharmaceuticals, Inc. (ALNY)

Nasdaq: ALNY · Pharmaceutical Preparations · Cambridge, MA · filing with the SEC since 2002
Grade6.8
◀ Past 7.0● Present 7.0▶ Future 6.3

Filings

298 filings since 2017 beside 520 insider forms · Large accelerated filer · read from EDGAR on Nov 13, 2026
Due nextLarge accelerated filer
10-K Annual report for the fiscal year ending Dec 31, 2026Large accelerated filers have 60 days after the fiscal year ends. by Mar 1, 2027
10-Q Quarterly report for the quarter ending Mar 31, 2027Large accelerated filers have 40 days after the quarter ends; quarter ends are taken to the month end. by May 10, 2027

A deadline is the latest date the SEC's rules allow for its filer category. It is not a forecast of the day the company files. Last time, the results release (8-K item 2.02) came 29 days after the quarter ended. The proxy statement was last filed Apr 6, 2026.

Filings a yearinsider forms included
85746764738810681
20192020202120222023202420252026

2026 counts to Nov 13, 2026.

Officer or director change (8-K item 5.02): 8 times in the last 36 months, the newest Nov 5, 2026.SEC letters: 6 in the last 36 months, the newest Jun 17, 2025.
Insider forms 520

Insider forms (3, 4, 5 and 144) are counted each year but not listed here; the people and their trades are on the Ownership tab.

FiledFormWhat it is, in plain wordsPeriodAsk
Nov 5, 2026 8-K items 5.02, 8.01 Officer or director change; Other event · Current report Nov 2, 2026
Nov 5, 2026 SCHEDULE 13G/A Large holder update, amended
Oct 30, 2026 SCHEDULE 13G Large holder notice
Oct 29, 2026 10-Q Quarterly report Sep 30, 2026
Oct 29, 2026 8-K items 2.02, 9.01 Results released · Current report
Jul 30, 2026 10-Q Quarterly report Jun 30, 2026
Jul 30, 2026 8-K items 2.02, 9.01 Results released · Current report
May 27, 2026 8-K items 5.02, 5.07 Officer or director change; Shareholder vote · Current report May 20, 2026
May 14, 2026 SCHEDULE 13G/A Large holder update, amended
May 14, 2026 SCHEDULE 13G/A Large holder update, amended
May 6, 2026 SCHEDULE 13G/A Large holder update, amended
Apr 30, 2026 10-Q Quarterly report Mar 31, 2026
Apr 30, 2026 8-K items 2.02, 9.01 Results released · Current report
Apr 29, 2026 SCHEDULE 13G Large holder notice
Apr 6, 2026 DEFA14A Extra proxy material
Apr 6, 2026 DEF 14A Proxy statement May 20, 2026
Apr 6, 2026 ARS Annual report to shareholders Dec 31, 2025
Mar 26, 2026 SCHEDULE 13G/A Large holder update, amended
Mar 4, 2026 8-K item 5.02 Officer or director change · Current report Mar 2, 2026
Feb 12, 2026 S-8 Employee stock plan registration
Feb 12, 2026 10-K Annual report Dec 31, 2025
Feb 12, 2026 8-K items 2.02, 9.01 Results released · Current report
Jan 12, 2026 8-K item 2.02 Results released · Current report Jan 11, 2026
Dec 11, 2025 8-K items 8.01, 9.01 Other event · Current report Dec 10, 2025
Dec 3, 2025 8-K item 5.02 Officer or director change · Current report Dec 2, 2025
Nov 5, 2025 SCHEDULE 13G/A Large holder update, amended
Oct 30, 2025 10-Q Quarterly report Sep 30, 2025
Oct 30, 2025 8-K items 2.02, 9.01 Results released · Current report
Oct 3, 2025 8-K items 1.01, 2.03, 9.01 Major agreement signed; New debt or obligation taken on · Current report Sep 30, 2025
Sep 12, 2025 8-K items 1.01, 2.03, 3.02, 8.01, 9.01 Major agreement signed; New debt or obligation taken on; Shares sold without registration; Other event · Current report
Sep 10, 2025 8-K items 8.01, 9.01 Other event · Current report Sep 8, 2025
Jul 31, 2025 10-Q Quarterly report Jun 30, 2025
Jul 31, 2025 8-K items 2.02, 9.01 Results released · Current report
Jun 18, 2025 8-K item 5.02 Officer or director change · Current report Jun 12, 2025
Jun 17, 2025 UPLOAD SEC comment letter
May 22, 2025 CORRESP Reply to the SEC
May 13, 2025 8-K items 5.03, 5.07 Charter, bylaw or fiscal-year change; Shareholder vote · Current report May 8, 2025
May 9, 2025 UPLOAD SEC comment letter
May 1, 2025 10-Q Quarterly report Mar 31, 2025
May 1, 2025 8-K item 9.01 Financial statements and exhibits · Current report
40 of 298 shown

Every row opens the filing on EDGAR. The plain words are the site's own for each form and each 8-K item; the complete history, insider forms included, is on EDGAR.

SI Assistanton ALNY · research, not advice