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.
| Form | Description | Filed | Period |
|---|---|---|---|
| SD | Specialized disclosure (conflict minerals) | May 29, 2026 | — |
| SD | Specialized disclosure (conflict minerals) | May 30, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2024 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2023 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2022 | — |
| SD | Specialized disclosure (conflict minerals) | May 28, 2021 | — |
| CT ORDER | Filing | Dec 21, 2020 | — |
| SD | Specialized disclosure (conflict minerals) | May 29, 2020 | — |
| 425 | Filing | May 12, 2020 | — |
| CT ORDER | Filing | Apr 14, 2020 | — |
| 425 | 8-k | Apr 14, 2020 | — |
| 425 | 8-k | Apr 2, 2020 | — |
| EFFECT | Filing | Mar 18, 2020 | — |
| CORRESP | Letter to the SEC | Mar 16, 2020 | — |
| 425 | Filing | Feb 27, 2020 | — |
| 425 | Filing | Feb 26, 2020 | — |
| 425 | Filing | Feb 21, 2020 | — |
| 425 | 8-k | Feb 20, 2020 | — |
| 425 | 8-k | Feb 20, 2020 | — |
| 425 | Filing | Jan 10, 2020 | — |
| 425 | Filing | Jan 8, 2020 | — |
| CT ORDER | Filing | Dec 27, 2019 | — |
| UPLOAD | Letter from the SEC | Nov 20, 2019 | — |
| 425 | Filing | Nov 13, 2019 | — |
| 425 | Filing | Nov 7, 2019 | — |
| 425 | 8-k | Nov 7, 2019 | — |
| 425 | Filing | Nov 1, 2019 | — |
| 425 | Filing | Oct 23, 2019 | — |
| 425 | Filing | Oct 4, 2019 | — |
| 425 | Filing | Oct 4, 2019 | — |
| 425 | Filing | Oct 2, 2019 | — |
| 425 | Filing | Oct 2, 2019 | — |
| 425 | 425 (#1) | Oct 2, 2019 | — |
| 425 | 8-k | Oct 2, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2019 | — |
| CT ORDER | Filing | Feb 19, 2019 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2018 | — |
| CT ORDER | Filing | Apr 5, 2018 | — |
| CT ORDER | Filing | Sep 13, 2017 | — |
| SD | Specialized disclosure (conflict minerals) | May 31, 2017 | — |
| CT ORDER | Filing | Apr 3, 2017 | — |
| EFFECT | Filing | Jan 4, 2017 | — |
| CORRESP | Letter to the SEC | Jan 3, 2017 | — |
| CT ORDER | Filing | Dec 30, 2016 | — |
| UPLOAD | Letter from the SEC | Dec 21, 2016 | — |
| EFFECT | Filing | Aug 31, 2016 | — |
| CORRESP | Letter to the SEC | Aug 29, 2016 | — |
| CT ORDER | Filing | Aug 29, 2016 | — |
| UPLOAD | Letter from the SEC | Aug 17, 2016 | — |
Showing 49 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
- 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)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.