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$LNTH
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$LNTH SEC Filings

Filed On Filing
22 Oct 2026 8-K: Other Events

As previously disclosed, on August 3, 2026, Lantheus Holdings, Inc., a Delaware corporation (“Lantheus” or the “Company”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among the Company, Curium US Holdings...

14 Oct 2026 8-K: Submission of Matters to a Vote of Security Holders

A special meeting of stockholders (the “special meeting”) of Lantheus Holdings, Inc. (“Lantheus”) was held on October 14, 2026. A total of 57,184,503 shares of Lantheus common stock, out of a total of 65,299,875 shares of Lantheus common...

02 Oct 2026 DEFA14A
02 Oct 2026 8-K: Other Events

As previously disclosed, on August 3, 2026, Lantheus Holdings, Inc., a Delaware corporation (“Lantheus” or the “Company”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among the Company, Curium US Holdings...

23 Sep 2026 SCHEDULE 13D/A
21 Sep 2026 DEFA14A
21 Sep 2026 8-K: Other Events

As previously disclosed, on August 3, 2026, Lantheus Holdings, Inc., a Delaware corporation (“Lantheus” or the “Company”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) by and among the Company, Curium US Holdings...

17 Sep 2026 DEFA14A
08 Sep 2026 Form 4: Lantheus Alpha Therapy, Llc, 10% owner and 1 other · Perspective Therapeutics, Inc.

Sold 80,783 shares ($251K) · Sold 167,149 shares ($526K)

08 Sep 2026 Merger proxy: special meeting on October 14, 2026
04 Sep 2026 Form 4: Lantheus Alpha Therapy, Llc, 10% owner and 1 other · Perspective Therapeutics, Inc.

Sold 42,129 shares ($131K)

04 Sep 2026 SCHEDULE 13D/A
04 Sep 2026 SCHEDULE 13G
04 Sep 2026 SCHEDULE 13D
03 Sep 2026 Form 4: Lantheus Holdings, Inc., 10% owner · Perspective Therapeutics, Inc.

Sold 35,769 shares ($112K)

02 Sep 2026 Form 4: Lantheus Holdings, Inc., 10% owner · Perspective Therapeutics, Inc.

Sold 78,145 shares ($246K)

02 Sep 2026 Form 4: Marshall Robert J. Jr., CFO and Treasurer

Gave up 721 shares to cover exercise price or tax ($72.8K)

02 Sep 2026 S-8
26 Aug 2026 PREM14A
19 Aug 2026 Form 4: Dinkelborg Ludger, See Remarks

Gave up 2,536 shares to cover exercise price or tax ($256K)

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