1、Table of ContentsUNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-K(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31,2023ORTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXC
2、HANGE ACT OF 1934For the transition period from toCommission File Number:001-39071ADC Therapeutics SA(Exact name of registrant as specified in its charter)SwitzerlandNot Applicable(State or other jurisdiction of incorporation or organization)(I.R.S.Employer Identification No.)BiopleRoute de la Corni
3、che 3B1066 EpalingesSwitzerland (Address of principal executive offices)(Zip code)+41 21 653 02 00(Registrants telephone number)Securities registered pursuant to Section 12(b)of the Act:Title of each classTrading Symbol(s)Name of each exchange on which registeredCommon Shares,par value CHF 0.08 per
4、shareADCTThe New York Stock ExchangeSecurities registered pursuant to Section 12(g)of the Act:NoneIndicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the Securities Act.Yes No Indicate by check mark if the registrant is not required to file reports purs
5、uant to Section 13 or Section 15(d)of the Act.Yes No Indicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the Securities Exchange Act of 1934 during thepreceding 12 months(or for such shorter period that the registrant was required to fi
6、le such reports)and(2)has been subject to such filing requirements for the past90 days.Yes No Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of RegulationS-T(232.405 of this chapter)during the prece