SCHEDULE 13G

ADC THERAPEUTICS SA

Common Shares, par value CHF 0.08 per share · CUSIP: H0036K147

Event date: 2024-12-31

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• ORBIMED ADVISORS LLC

  Shares: 2,530,638.00 · Class: 2.6%

• ORBIMED CAPITAL LLC

  Shares: 3,437,813.00 · Class: 3.6%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.