Lantheus Holdings, Inc. 10-Q

Item 5. Other Information Rule 10b5-1 Trading Plans On August 12, 2024 , Robert Marshall , our CFO and Treasurer , entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act, providing for the potential sale of up to 20,000 shares of our common stock between November 15, 2024 and March 17, 2025 . 49 Table of Contents Item 6. Exhibits INCORPORATED BY REFERENCE EXHIBIT NUMBER DESCRIPTION OF EXHIBITS FORM FILE NUMBER EXHIBIT FILING DATE 10.1*+ Eighth Amendment to Lantheus Holdings, Inc. 2015 Equity Incentive Plan 31.1* Certification of Chief Executive Officer pursuant to Exchange Act Rule 13a-14(a). 31.2* Certification of Chief Financial Officer pursuant to Exchange Act Rule 13a-14(a). 32.1** Certification pursuant to 18 U.S.C. Section 1350. 101.INS* Inline XBRL Instance Document 101.SCH* Inline XBRL Taxonomy Extension Schema Document 101.CAL* Inline XBRL Taxonomy Extension Calculation Linkbase Document 101.DEF* Inline XBRL Taxonomy Extension Definition Linkbase Document 101.LAB* Inline XBRL Taxonomy Extension Label Linkbase Document 101.PRE* Inline XBRL Taxonomy Extension Presentation Linkbase Document 104* Cover Page Interactive Data File (embedded within the Inline XBRL document) * Filed herewith. ** Furnished herewith. + Indicates management contract or compensatory plan or arrangement. 50 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. LANTHEUS HOLDINGS, INC. By: /s/ BRIAN MARKISON Name: Brian Markison Title: Chief Executive Officer (Principal Executive Officer) Date: November 6, 2024 LANTHEUS HOLDINGS, INC. By: /s/ ROBERT J. MARSHALL, JR. Name: Robert J. Marshall, Jr. Title: Chief Financial Officer and Treasurer (Principal Financial Officer) Date: November 6, 2024 51