Lisa Michelle Kallebo - 06 Dec 2025 Form 4 Insider Report for ADC Therapeutics SA (ADCT)

Role
Chief Accounting Officer
Signature
/s/ Lisa Kallebo
Issuer symbol
ADCT
Transactions as of
06 Dec 2025
Net transactions value
-$23,491
Form type
4
Filing time
09 Dec 2025, 17:09:44 UTC
Previous filing
14 Feb 2025
Next filing
18 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Kallebo Lisa Michelle Chief Accounting Officer 430 MOUNTAIN AVENUE, SUITE 404, NEW PROVIDENCE /s/ Lisa Kallebo 09 Dec 2025 0002000724

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ADCT Common Shares Tax liability $23,491 -7,140 -9.2% $3.29 70,757 06 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Represents the number of Common Shares withheld by the Issuer to satisfy the Reporting Person's tax withholding obligations in connection with the vesting of restricted share units previously granted.