0001959173-24-003972.txt : 20240530 0001959173-24-003972.hdr.sgml : 20240530 20240530102701 ACCESSION NUMBER: 0001959173-24-003972 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240530 DATE AS OF CHANGE: 20240530 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Lantheus Holdings, Inc. CENTRAL INDEX KEY: 0001521036 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 352318913 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 241001985 BUSINESS ADDRESS: STREET 1: 331 TREBLE COVE ROAD CITY: NORTH BILLERICA STATE: MA ZIP: 01862 BUSINESS PHONE: 978 671-8001 MAIL ADDRESS: STREET 1: 331 TREBLE COVE ROAD CITY: NORTH BILLERICA STATE: MA ZIP: 01862 FORMER COMPANY: FORMER CONFORMED NAME: Lantheus MI Holdings, Inc. DATE OF NAME CHANGE: 20110517 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Niedzwiecki Daniel CENTRAL INDEX KEY: 0001861113 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O LANTHEUS HOLDINGS, INC. STREET 2: 331 TREBLE COVE ROAD CITY: NORTH BILLERICA STATE: MA ZIP: 01862 144 1 primary_doc.xml 144 0001861113 XXXXXXXX LIVE 0001521036 Lantheus Holdings, Inc. 001-36569 331 TREBLE COVE ROAD NORTH BILLERICA MA 01862 978 671-8001 Niedzwiecki Daniel Officer Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

12873 1028037.78 69312588 05/30/2024 NASDAQ Common 03/03/2023 Restricted Stock Vesting Issuer N 10208 03/03/2023 Compensation Common 03/04/2023 Restricted Stock Vesting Issuer N 1100 03/04/2023 Compensation Common 05/17/2023 Restricted Stock Vesting Issuer N 1565 05/17/2023 Compensation Y 05/30/2024 03/01/2024 /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Daniel Niedzwiecki