0001959173-23-003952.txt : 20230915 0001959173-23-003952.hdr.sgml : 20230915 20230915115903 ACCESSION NUMBER: 0001959173-23-003952 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20230915 DATE AS OF CHANGE: 20230915 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: Lantheus Holdings, Inc. CENTRAL INDEX KEY: 0001521036 STANDARD INDUSTRIAL CLASSIFICATION: IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835] 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: 231257290 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 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

2846 189059.78 68430697 09/15/2023 NASDAQ Common 09/15/2023 Option Granted 11/06/2013 Issuer N 2846 09/15/2023 Cash N Daniel Niedzwiecki

201 Burlington Road, South Building Bedford MA 01730

Common 08/11/2023 4297 291895.21 09/15/2023 02/24/2023 /s/ Rae Pierson, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Daniel Niedzwiecki