0000908834-25-000269.txt : 20250821 0000908834-25-000269.hdr.sgml : 20250821 20250821172734 ACCESSION NUMBER: 0000908834-25-000269 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20250819 FILED AS OF DATE: 20250821 DATE AS OF CHANGE: 20250821 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: WEHRLY MARK C CENTRAL INDEX KEY: 0001245635 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241747 MAIL ADDRESS: STREET 1: C/O FARALLON CAPITAL MANAGEMENT, L.L.C. STREET 2: ONE MARITIME PLAZA, SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: PATEL RAJIV A CENTRAL INDEX KEY: 0001275110 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241754 MAIL ADDRESS: STREET 1: C/O FARALLON CAPITAL MANAGEMENT, L.L.C. STREET 2: ONE MARITIME PLAZA, SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Spokes Andrew J M CENTRAL INDEX KEY: 0001372968 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241749 MAIL ADDRESS: STREET 1: C/O FARALLON CAPITAL MANAGEMENT, L.L.C. STREET 2: ONE MARITIME PLAZA, SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Roberts Thomas G. Jr. CENTRAL INDEX KEY: 0001453042 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241753 MAIL ADDRESS: STREET 1: C/O FARALLON CAPITAL MANAGEMENT, L.L.C. STREET 2: ONE MARITIME PLAZA, SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 FORMER NAME: FORMER CONFORMED NAME: Thomas Roberts J. Jr. DATE OF NAME CHANGE: 20090102 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Short Daniel S. CENTRAL INDEX KEY: 0001960871 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241750 MAIL ADDRESS: STREET 1: ONE MARITIME PLAZA SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Warren John R. CENTRAL INDEX KEY: 0001509711 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241748 MAIL ADDRESS: STREET 1: C/O FARALLON CAPITAL MANAGEMENT, L.L.C. STREET 2: ONE MARITIME PLAZA, SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Seybold William CENTRAL INDEX KEY: 0001693980 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241751 MAIL ADDRESS: STREET 1: C/O FARALLON CAPITAL MANAGEMENT, L.L.C. STREET 2: ONE MARITIME PLAZA, SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Saito Edric C. CENTRAL INDEX KEY: 0001960819 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-36569 FILM NUMBER: 251241752 MAIL ADDRESS: STREET 1: ONE MARITIME PLAZA SUITE 2100 CITY: SAN FRANCISCO STATE: CA ZIP: 94111 ISSUER: 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 EIN: 352318913 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 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 4 1 form4.xml X0508 4 2025-08-19 true 0001521036 Lantheus Holdings, Inc. LNTH 0001275110 PATEL RAJIV A C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001453042 Roberts Thomas G. Jr. C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001960819 Saito Edric C. C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001693980 Seybold William C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001960871 Short Daniel S. C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001372968 Spokes Andrew J M C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001509711 Warren John R. C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% 0001245635 WEHRLY MARK C C/O FARALLON CAPITAL MANAGEMENT, L.L.C. ONE MARITIME PLAZA, SUITE 2100 SAN FRANCISCO CA 94111 true Member of a Group Owning 10% false Common Stock 2025-08-19 4 S 0 41000 55.34 D 6842227 I See Footnotes Common Stock 2025-08-20 4 S 0 3365000 56.15 D 3477227 I See Footnotes The entities and individuals identified in the footnotes of this Form 4 may be deemed members of a group holding equity securities of Lantheus Holdings, Inc. (the "Issuer"). The filing of this Form 4 and any statements included herein shall not be deemed to be an admission that such entities and individuals are members of such a group. Since the number of reporting persons that may be listed on a Form 4 is limited, the entities and individuals listed in these footnotes that are not reporting persons on this Form 4 are filing an additional Form 4 on the date hereof as reporting persons with respect to the securities described herein (the "Parallel Form 4"). Information regarding these entities and individuals is included in this Form 4 for purposes of clarification and convenience only, and is duplicative of the information reported in the Parallel Form 4. The amount of securities shown in this row is held directly by certain investment funds affiliated with the reporting persons (the "Farallon Funds"). Farallon Partners, L.L.C. and certain affiliated entities (the "Farallon General Partners"), as general partner or sole member of the general partner, as the case may be, of each of the Farallon Funds, may be deemed to be a beneficial owner of the Issuer's securities held by the Farallon Funds. The Farallon General Partners disclaim any beneficial ownership of any of the Issuer's securities reported or noted herein for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "'34 Act"), or otherwise, except to the extent of their pecuniary interest, if any. Each of Joshua J. Dapice, Philip D. Dreyfuss, Hannah E. Dunn, Richard B. Fried, Varun N. Gehani, Nicolas Giauque, David T. Kim, Michael G. Linn, Patrick (Cheng) Luo, Rajiv A. Patel, Thomas G. Roberts, Jr., Edric C. Saito, William Seybold, Daniel S. Short, Andrew J. M. Spokes, John R. Warren, and Mark C. Wehrly (collectively, the "Managing Members"), as a managing member or manager, or senior managing member or senior manager, as the case may be, of each of the Farallon General Partners, in each case with the power to exercise investment discretion, may be deemed to be a beneficial owner of the Issuer's securities held by the Farallon Funds. Each of the Managing Members disclaims any beneficial ownership of any of the Issuer's securities reported or noted herein for purposes of Section 16 of the '34 Act or otherwise, except to the extent of his or her pecuniary interest, if any. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $56.14 to $56.55, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range. /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21 /s/ Hannah E. Dunn, as attorney-in-fact 2025-08-21