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Description of Business and Organization | 9 Months Ended
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Sep. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Description of Business and Organization | Description of Business and Organization ADC Therapeutics is a commercial-stage global leader and pioneer in the field of antibody drug conjugates (“ADCs”), transforming treatment for patients through our focused portfolio with ZYNLONTA ® (loncastuximab tesirine-lpyl) and an early stage prostate-specific membrane antigen targeting ADC (“PSMA-targeting ADC”). The Company generates sales from its flagship product, ZYNLONTA, which was granted accelerated approval by the Food and Drug Administration (“FDA”) in the U.S. for the treatment of relapsed or refractory diffuse large B-cell lymphoma (“DLBCL”) in the 3L setting and has also been granted conditional approval from the European Commission, conditional approval from the China National Medical Products Administration and conditional approval by Health Canada. Beyond ZYNLONTA, ADC Therapeutics is leveraging its expertise to advance IND-enabling activities for a next-generation PSMA-targeting ADC which utilizes a differentiated exatecan-based payload with a novel hydrophilic linker. The Company was incorporated on June 6, 2011 under the laws of Switzerland, with its registered office located at Route de la Corniche 3B, 1066 Epalinges, Switzerland. The Company has two wholly-owned subsidiaries: ADC Therapeutics America, Inc. (“ADCT America”), which was incorporated in Delaware, USA on December 10, 2014 and ADC Therapeutics (UK) Ltd (“ADCT UK”), incorporated in England on December 12, 2014. The Company and its two subsidiaries form the ADCT Group (the “Group”). All references to “ADC Therapeutics,” “the Company", “we,” “us,” and “our” refer to ADC Therapeutics SA and its consolidated subsidiaries unless otherwise indicated.

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- Definition The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 205 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/205/tableOfContent + Details
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