Lantheus SEC Filings
NASDAQ: LNTHHealth CareBiotechnology: In Vitro & In Vivo Diagnostic SubstancesUSD
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At close: Oct 9, 4:00 PM ET · Delayed 15 min
Lantheus filing overview
This page lists 60 recent SEC filings by Lantheus (LNTH), including 31 4, 10 8-K, 9 SCHEDULE 13G/A, 3 10-Q. The latest annual report (10-K) was filed on Feb 26, 2026 for the period ending Dec 31, 2025. The most recent quarterly report (10-Q) was filed on Aug 6, 2026.
The latest current report (8-K), used to disclose material events such as earnings releases and executive changes, was filed on Oct 2, 2026. Form 10-K is the audited annual report, 10-Q the quarterly report, 8-K covers material events, and Form 4 reports insider transactions. All documents link directly to SEC EDGAR.
Summary generated from market data by MetaCap's automated system. Methodology
LNTH SEC filings
| Filed | Form | Description | Document |
|---|---|---|---|
| Oct 2, 2026 | 8-K | Other Events | View on EDGAR |
| Sep 23, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Sep 21, 2026 | 8-K | Other Events | View on EDGAR |
| Sep 8, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Sep 4, 2026 | SCHEDULE 13D/A | Beneficial ownership report (activist) (amendment) | View on EDGAR |
| Sep 4, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Sep 3, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Sep 2, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Sep 2, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Aug 19, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Aug 19, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Aug 13, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Aug 6, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Aug 6, 2026 | 10-Q | Quarterly report | View on EDGAR |
| Aug 4, 2026 | 8-K | Entry into a Material Definitive Agreement; Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Aug 3, 2026 | 8-K | Regulation FD Disclosure; Other Events | View on EDGAR |
| Jul 31, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Jun 3, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Jun 3, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 18, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| May 15, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| May 7, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| May 7, 2026 | 10-Q | Quarterly report | View on EDGAR |
| May 1, 2026 | 8-K | Material Modification to Rights of Security Holders; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year; Submission of Matters to a Vote of Security Holders | View on EDGAR |
| Apr 30, 2026 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Apr 21, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 27, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Mar 20, 2026 | DEF 14A | Definitive proxy statement | View on EDGAR |
| Mar 9, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 9, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 9, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 9, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 9, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 4, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 4, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 4, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Mar 4, 2026 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Feb 26, 2026 | 8-K | Results of Operations and Financial Condition | View on EDGAR |
| Feb 26, 2026 | 10-K | Annual report | View on EDGAR |
| Feb 17, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 12, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Feb 5, 2026 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Dec 17, 2025 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Nov 19, 2025 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |
| Nov 14, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Nov 12, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Nov 12, 2025 | 8-K | Departure or Appointment of Directors or Officers; Compensatory Arrangements | View on EDGAR |
| Nov 7, 2025 | SCHEDULE 13G | Beneficial ownership report (passive) | View on EDGAR |
| Nov 6, 2025 | 8-K | Results of Operations and Financial Condition; Departure or Appointment of Directors or Officers; Compensatory Arrangements; Regulation FD Disclosure | View on EDGAR |
| Nov 6, 2025 | 10-Q | Quarterly report | View on EDGAR |
| Nov 5, 2025 | SCHEDULE 13G/A | Beneficial ownership report (passive) (amendment) | View on EDGAR |
| Sep 3, 2025 | 4 | STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES | View on EDGAR |