v3.26.1

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - SFr / shares	Mar. 31, 2026	Dec. 31, 2025
Statement of Financial Position [Abstract]
Common shares, par value (in CHF per share)	SFr 0.08	SFr 0.08
Common shares issued (in shares)	129,726,364	128,310,010
Common shares outstanding (in shares)	127,165,116	125,748,762
Treasury shares (in shares)	2,561,248	2,561,248

Face amount or stated value per share of common stock.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Section 50
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Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
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Number of previously issued common shares repurchased by the issuing entity and held in treasury.

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ADC Therapeutics SA 10-Q