Lantheus Holdings, Inc. SEC filings LNTH

Lantheus Holdings, Inc. has 1,003 filings in SEC EDGAR's recent list, going back to Aug 5, 2016. Its latest annual report, Form ARS, was filed on Mar 20, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 5, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 5, 2026 (results of operations). The company's fiscal year ends on December 31.

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

Showing 142 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.

Company profile

Industry
In Vitro & In Vivo Diagnostic Substances (SIC 2835)
Listed as
LNTH (Nasdaq)
Fiscal year ends
December 31
Incorporated in
DE
Headquarters
Bedford, MA
SEC filer status
Large accelerated filer
SEC CIK
1521036
Former names
Lantheus MI Holdings, Inc. (until May 23, 2014)

Other In Vitro & In Vivo Diagnostic Substances companies

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