0001731122-24-000918.txt : 20240606 0001731122-24-000918.hdr.sgml : 20240606 20240606153352 ACCESSION NUMBER: 0001731122-24-000918 CONFORMED SUBMISSION TYPE: 3 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240102 FILED AS OF DATE: 20240606 DATE AS OF CHANGE: 20240606 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Pfisterer Thomas CENTRAL INDEX KEY: 0001824238 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 3 SEC ACT: 1934 Act SEC FILE NUMBER: 001-39071 FILM NUMBER: 241024816 MAIL ADDRESS: STREET 1: NEUGASSE 22 CITY: ZUG STATE: V8 ZIP: 6300 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: ADC Therapeutics SA CENTRAL INDEX KEY: 0001771910 STANDARD INDUSTRIAL CLASSIFICATION: PHARMACEUTICAL PREPARATIONS [2834] ORGANIZATION NAME: 03 Life Sciences IRS NUMBER: 000000000 STATE OF INCORPORATION: V8 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: BIOPOLE STREET 2: ROUTE DE LA CORNICHE 3B CITY: EPALINGES STATE: V8 ZIP: 1066 BUSINESS PHONE: 41 21 653 02 00 MAIL ADDRESS: STREET 1: BIOPOLE STREET 2: ROUTE DE LA CORNICHE 3B CITY: EPALINGES STATE: V8 ZIP: 1066 3 1 ownership.xml X0206 3 2024-01-02 0 0001771910 ADC Therapeutics SA ADCT 0001824238 Pfisterer Thomas NEUGASSE 22 ZUG V8 6300 SWITZERLAND 1 0 0 0 Common shares 607193 D Thomas Pfisterer holds a portion of the shares directly and the other portion indirectly via HPWH TH AG ("HPWH") and HPWH MH AG ("MH"). The principal business of HPWH is holding investment rights in, directly or indirectly, ADC Therapeutics. HP WILD Holding AG ("HPW Holding") is an intermediary holding company. Thomas Pfisterer is a board member of HPWH. By reason of a stockholders' agreement by and among Mr. Pfisterer and HPW Holding and their joint indirect minority equity interest in HPWH via their joint ownership of MH, which owns a 12.5% interest in HPWH, Mr. Pfisterer may be deemed to have shared voting and investment power with respect to such shares held of record by HPWH. However, Mr. Pfisterer disclaims beneficial ownership of all common shares held of record by HPWH other than the shares indirectly represented by his 41.7% interest in MH. /s/ Thomas Pfisterer 2024-05-14