Alnylam Pharmaceuticals, Inc. SEC filings ALNY

Alnylam Pharmaceuticals, Inc. has 1,002 filings in SEC EDGAR's recent list, going back to Sep 12, 2014. Its latest annual report, Form ARS, was filed on Apr 6, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Oct 29, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (officer or director change, other events). The company's fiscal year ends on December 31.

Form Description Filed Period
8-K Current report
Officer or director change, Other events
 Nov 5, 2026 Nov 2, 2026
8-K Current report
Results of operations
 Oct 29, 2026 Oct 29, 2026
8-K Current report
Results of operations
 Jul 30, 2026 Jul 30, 2026
8-K Current report
Officer or director change, Shareholder vote results
 May 27, 2026 May 20, 2026
8-K Current report
Results of operations
 Apr 30, 2026 Apr 30, 2026
8-K Current report
Officer or director change
 Mar 4, 2026 Mar 2, 2026
8-K Current report
Results of operations
 Feb 12, 2026 Feb 12, 2026
8-K Current report
Results of operations
 Jan 12, 2026 Jan 11, 2026
8-K Current report
Other events
 Dec 11, 2025 Dec 10, 2025
8-K Current report
Officer or director change
 Dec 3, 2025 Dec 2, 2025
8-K Current report
Results of operations
 Oct 30, 2025 Oct 30, 2025
8-K Current report
Material agreement, New debt
 Oct 3, 2025 Sep 30, 2025
8-K Current report
Material agreement, New debt, Unregistered share sale, Other events
 Sep 12, 2025 Sep 12, 2025
8-K Current report
Other events
 Sep 10, 2025 Sep 8, 2025
8-K Current report
Results of operations
 Jul 31, 2025 Jul 31, 2025
8-K Current report
Officer or director change
 Jun 18, 2025 Jun 12, 2025
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
 May 13, 2025 May 8, 2025
8-K Current report May 1, 2025 May 1, 2025
8-K Current report
Other events
 Mar 21, 2025 Mar 20, 2025
8-K Current report
Officer or director change
 Mar 5, 2025 Mar 3, 2025
8-K Current report Feb 13, 2025 Feb 13, 2025
8-K Current report
Results of operations
 Jan 13, 2025 Jan 12, 2025
8-K Current report Oct 31, 2024 Oct 31, 2024
8-K Current report Aug 1, 2024 Aug 1, 2024
8-K Current report
Shareholder vote results
 May 20, 2024 May 16, 2024
8-K Current report May 2, 2024 May 2, 2024
8-K Current report
Officer or director change
 Mar 4, 2024 Mar 4, 2024
8-K Current report
Results of operations
 Feb 15, 2024 Feb 15, 2024
8-K Current report
Officer or director change
 Jan 19, 2024 Jan 12, 2024
8-K Current report
Results of operations
 Jan 8, 2024 Jan 7, 2024
8-K Current report
Results of operations
 Nov 2, 2023 Nov 2, 2023
8-K Current report
Other events
 Oct 10, 2023 Oct 9, 2023
8-K Current report
Officer or director change
 Sep 28, 2023 Sep 26, 2023
8-K Current report
Results of operations, Officer or director change
 Aug 3, 2023 Jul 31, 2023
8-K Current report
Material agreement, Regulation FD disclosure
 Jul 26, 2023 Jul 21, 2023
8-K Current report
Other events
 Jun 30, 2023 Jun 30, 2023
8-K Current report
Shareholder vote results
 May 23, 2023 May 18, 2023
8-K Current report
Results of operations
 May 4, 2023 May 4, 2023
8-K Current report
Officer or director change
 Mar 8, 2023 Mar 7, 2023
8-K Current report
Results of operations
 Feb 23, 2023 Feb 23, 2023
8-K Current report
Results of operations
 Jan 9, 2023 Jan 8, 2023
8-K Current report
Officer or director change, Other events
 Jan 6, 2023 Jan 5, 2023
8-K Current report
Results of operations
 Oct 27, 2022 Oct 27, 2022
8-K Current report
Material agreement, Agreement ended, New debt, Unregistered share sale
 Sep 16, 2022 Sep 12, 2022
8-K Current report
Other events
 Sep 13, 2022 Sep 12, 2022
8-K Current report
Officer or director change
 Aug 24, 2022 Aug 19, 2022
8-K Current report
Results of operations
 Jul 28, 2022 Jul 28, 2022
8-K Current report
Other events
 Jun 14, 2022 Jun 13, 2022
8-K Current report
Shareholder vote results
 May 23, 2022 May 18, 2022
8-K Current report
Results of operations
 Apr 28, 2022 Apr 28, 2022
8-K Current report
Officer or director change
 Apr 5, 2022 Mar 31, 2022
8-K Current report
Other events
 Apr 4, 2022 Apr 4, 2022
8-K Current report
Other events
 Mar 17, 2022 Mar 17, 2022
8-K Current report
Results of operations
 Feb 10, 2022 Feb 10, 2022
8-K Current report
Results of operations
 Jan 10, 2022 Jan 9, 2022
8-K Current report
Officer or director change, Regulation FD disclosure
 Jan 4, 2022 Jan 4, 2022
8-K Current report
Officer or director change
 Dec 20, 2021 Dec 14, 2021
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
 Oct 28, 2021 Oct 26, 2021
8-K Current report
Officer or director change
 Sep 8, 2021 Sep 6, 2021
8-K Current report
Results of operations, Officer or director change, Other events
 Aug 3, 2021 Aug 2, 2021
8-K Current report
Shareholder vote results
 May 21, 2021 May 18, 2021
8-K Current report
Results of operations
 Apr 29, 2021 Apr 29, 2021
8-K Current report
Other events
 Apr 12, 2021 Apr 12, 2021
8-K Current report
Results of operations
 Feb 11, 2021 Feb 11, 2021
8-K Current report
Results of operations
 Jan 11, 2021 Jan 10, 2021
8-K Current report
Results of operations
 Nov 5, 2020 Nov 5, 2020
8-K Current report
Material agreement, Officer or director change
 Oct 2, 2020 Sep 30, 2020
8-K Current report
Material agreement
 Aug 20, 2020 Aug 15, 2020
8-K Current report
Results of operations, Officer or director change, Regulation FD disclosure
 Aug 6, 2020 Aug 3, 2020
8-K Current report
Shareholder vote results
 May 11, 2020 May 6, 2020
8-K Current report
Results of operations
 May 6, 2020 May 6, 2020
8-K Current report
Material agreement, New debt, Unregistered share sale, Regulation FD disclosure
 Apr 13, 2020 Apr 10, 2020
8-K Current report
Material agreement, Regulation FD disclosure, Other events
 Apr 6, 2020 Apr 3, 2020
8-K Current report
Officer or director change
 Feb 27, 2020 Feb 26, 2020
8-K Current report
Results of operations
 Feb 6, 2020 Feb 6, 2020
8-K Current report
Results of operations
 Jan 13, 2020 Jan 12, 2020
8-K Current report
Other events
 Nov 20, 2019 Nov 20, 2019
8-K Current report
Results of operations
 Oct 31, 2019 Oct 31, 2019
8-K Current report
Other events
 Oct 3, 2019 Sep 27, 2019
8-K Current report
Results of operations
 Aug 6, 2019 Aug 6, 2019
8-K Current report
Officer or director change, Regulation FD disclosure
 Jul 11, 2019 Jul 8, 2019
8-K Current report
Other events
 May 21, 2019 May 21, 2019
8-K Current report
Results of operations
 May 1, 2019 May 1, 2019
8-K Current report
Bylaw or fiscal year change, Shareholder vote results
 Apr 26, 2019 Apr 25, 2019
8-K Current report
Material agreement, Unregistered share sale, Regulation FD disclosure
 Apr 9, 2019 Apr 8, 2019
8-K Current report
Results of operations
 Feb 7, 2019 Feb 7, 2019
8-K Current report
Material agreement, Other events
 Jan 15, 2019 Jan 14, 2019
8-K Current report
Results of operations
 Jan 7, 2019 Jan 7, 2019
8-K Current report
Other events
 Dec 10, 2018 Dec 9, 2018
8-K Current report
Results of operations
 Nov 7, 2018 Nov 7, 2018
8-K Current report
Officer or director change
 Oct 10, 2018 Oct 9, 2018
8-K Current report
Material agreement
 Oct 2, 2018 Sep 27, 2018
8-K Current report
Material agreement
 Aug 17, 2018 Aug 14, 2018
8-K Current report
Other events
 Aug 10, 2018 Aug 10, 2018
8-K Current report
Results of operations
 Aug 2, 2018 Aug 2, 2018
8-K Current report
Officer or director change, Shareholder vote results
 May 15, 2018 May 10, 2018
8-K Current report
Results of operations
 May 3, 2018 May 3, 2018
8-K Current report
Other events
 Apr 20, 2018 Apr 18, 2018
8-K Current report
Material agreement
 Apr 3, 2018 Mar 28, 2018
8-K Current report
Officer or director change, Bylaw or fiscal year change
 Mar 14, 2018 Mar 8, 2018
8-K Current report
Results of operations
 Feb 8, 2018 Feb 8, 2018
8-K Current report
Material agreement, Results of operations, Regulation FD disclosure
 Jan 8, 2018 Jan 6, 2018
8-K Current report
Other events
 Jan 3, 2018 Dec 27, 2017
8-K Current report
Material agreement, Other events
 Nov 14, 2017 Nov 13, 2017
8-K Current report
Results of operations
 Nov 7, 2017 Nov 7, 2017
8-K Current report
Other events
 Sep 7, 2017 Sep 7, 2017
8-K Current report
Results of operations
 Aug 9, 2017 Aug 9, 2017
8-K Current report
Regulation FD disclosure
 Jun 6, 2017 Jun 6, 2017
8-K Current report
Material agreement, Unregistered share sale, Other events
 May 25, 2017 May 23, 2017
8-K Current report
Officer or director change, Regulation FD disclosure
 May 9, 2017 May 8, 2017
8-K Current report
Results of operations, Shareholder vote results
 May 5, 2017 May 2, 2017
8-K Current report
Results of operations
 Feb 8, 2017 Feb 8, 2017
8-K Current report
Officer or director change
 Jan 3, 2017 Dec 29, 2016
8-K Current report
Results of operations
 Nov 2, 2016 Nov 2, 2016
8-K Current report
Other events
 Oct 5, 2016 Oct 5, 2016
8-K Current report
Material agreement, Officer or director change, Regulation FD disclosure
 Sep 19, 2016 Sep 19, 2016
8-K Current report
Results of operations
 Aug 4, 2016 Aug 4, 2016
8-K Current report
Officer or director change
 Jun 15, 2016 Jun 9, 2016
8-K Current report
Shareholder vote results
 May 6, 2016 May 3, 2016
8-K Current report
Material agreement, Results of operations, New debt
 May 2, 2016 Apr 29, 2016
8-K Current report
Other events
 Apr 8, 2016 Apr 4, 2016
8-K Current report
Results of operations
 Feb 11, 2016 Feb 11, 2016
8-K Current report
Results of operations
 Jan 11, 2016 Jan 11, 2016
8-K Current report
Bylaw or fiscal year change
 Dec 22, 2015 Dec 18, 2015
8-K Current report
Officer or director change
 Dec 18, 2015 Dec 18, 2015
8-K Current report
Results of operations
 Nov 9, 2015 Nov 9, 2015
8-K Current report Oct 2, 2015 Oct 2, 2015
8-K Current report
Results of operations
 Aug 6, 2015 Aug 6, 2015
8-K Current report
Change to shareholder rights, Bylaw or fiscal year change
 Jul 14, 2015 Jul 14, 2015
8-K Current report
Material agreement
 Jul 10, 2015 Jul 6, 2015
8-K Current report
Officer or director change, Regulation FD disclosure
 Jun 10, 2015 Jun 8, 2015
8-K Current report
Results of operations
 May 7, 2015 May 7, 2015
8-K Current report
Shareholder vote results
 May 5, 2015 May 1, 2015
8-K Current report
Material agreement, New debt
 Apr 6, 2015 Apr 3, 2015
8-K Current report
Results of operations
 Feb 12, 2015 Feb 12, 2015
8-K Current report Feb 3, 2015 Feb 3, 2015
8-K Current report
Material agreement, Unregistered share sale, Other events
 Jan 26, 2015 Jan 20, 2015
8-K Current report
Material agreement
 Jan 14, 2015 Jan 8, 2015
8-K Current report
Results of operations
 Jan 8, 2015 Jan 8, 2015
8-K Current report
Officer or director change
 Dec 19, 2014 Dec 17, 2014
8-K Current report
Officer or director change
 Dec 18, 2014 Dec 17, 2014
8-K Current report
Results of operations
 Nov 5, 2014 Nov 5, 2014
8-K Current report
Shareholder vote results
 Sep 26, 2014 Sep 25, 2014

Showing 143 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

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Company profile

Industry
Pharmaceutical Preparations (SIC 2834)
Listed as
ALNY (Nasdaq)
Fiscal year ends
December 31
Headquarters
Cambridge, MA
SEC filer status
Large accelerated filer
SEC CIK
1178670
Former names
ALNYLAM PHARMACEUTICALS INC (until Jul 2, 2004)

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Source: SEC EDGAR filings. This is company-reported data, not investment advice.