0000950170-24-028446.txt : 20240308 0000950170-24-028446.hdr.sgml : 20240308 20240308112453 ACCESSION NUMBER: 0000950170-24-028446 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240306 FILED AS OF DATE: 20240308 DATE AS OF CHANGE: 20240308 REPORTING-OWNER: OWNER 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 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33407 FILM NUMBER: 24732994 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 NAME: FORMER CONFORMED NAME: Lantheus MI Holdings, Inc. DATE OF NAME CHANGE: 20110517 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Lantheus Alpha Therapy, LLC CENTRAL INDEX KEY: 0002010224 ORGANIZATION NAME: STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-33407 FILM NUMBER: 24732995 BUSINESS ADDRESS: STREET 1: C/O LANTHEUS HOLDING, INC. STREET 2: 201 BURLINGTON ROAD, SOUTH BUILDING CITY: BEDFORD STATE: MA ZIP: 01730 BUSINESS PHONE: 978-671-8001 MAIL ADDRESS: STREET 1: C/O LANTHEUS HOLDING, INC. STREET 2: 201 BURLINGTON ROAD, SOUTH BUILDING CITY: BEDFORD STATE: MA ZIP: 01730 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Perspective Therapeutics, Inc. CENTRAL INDEX KEY: 0000728387 STANDARD INDUSTRIAL CLASSIFICATION: SURGICAL & MEDICAL INSTRUMENTS & APPARATUS [3841] ORGANIZATION NAME: 08 Industrial Applications and Services IRS NUMBER: 411458152 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 2401 ELLIOTT AVENUE STREET 2: SUITE 320 CITY: SEATTLE STATE: WA ZIP: 98121 BUSINESS PHONE: (509) 375-1202 MAIL ADDRESS: STREET 1: 2401 ELLIOTT AVENUE STREET 2: SUITE 320 CITY: SEATTLE STATE: WA ZIP: 98121 FORMER COMPANY: FORMER CONFORMED NAME: Isoray, Inc. DATE OF NAME CHANGE: 20181231 FORMER COMPANY: FORMER CONFORMED NAME: IsoRay, Inc. DATE OF NAME CHANGE: 20050805 FORMER COMPANY: FORMER CONFORMED NAME: CENTURY PARK PICTURES CORP DATE OF NAME CHANGE: 19920703 4 1 ownership.xml 4 X0508 4 2024-03-06 0000728387 Perspective Therapeutics, Inc. CATX 0002010224 Lantheus Alpha Therapy, LLC 201 BURLINGTON ROAD, SOUTH BUILDING BEDFORD MA 01730 false false true false 0001521036 Lantheus Holdings, Inc. 201 BURLINGTON ROAD, SOUTH BUILDING BEDFORD MA 01730 false false true false true Common Stock 2024-03-06 4 P false 60431039 0.95 A 116773394 D Represents securities directly held by Lantheus Alpha Therapy, LLC, ("Lantheus"), a wholly owned direct subsidiary of Lantheus Holdings, Inc. ("Lantheus Holdings"). Under SEC rules and regulations, Lantheus Holdings may be deemed to have indirect beneficial ownership of the shares held by Lantheus, which has direct beneficial ownership. /s/ Daniel Niedzwiecki Chief Administrative Officer and General Counsel, Lantheus 2024-03-08 /s/ Daniel Niedzwiecki Chief Administrative Officer and General Counsel, Lantheus Holdings 2024-03-08