Ron Squarer - Jun 13, 2025 Form 4 Insider Report for ADC Therapeutics SA (ADCT)

Role
Director
Signature
/s/ Lisa Kallebo, as Attorney-in-Fact for Ron Squarer
Stock symbol
ADCT
Transactions as of
Jun 13, 2025
Transactions value $
-$54,359
Form type
4
Date filed
6/17/2025, 05:03 PM
Previous filing
Jun 5, 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Squarer Ron Director 430 MOUNTAIN AVENUE, SUITE 404, NEW PROVIDENCE /s/ Lisa Kallebo, as Attorney-in-Fact for Ron Squarer 2025-06-17 0001454001

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction ADCT Common Shares Tax liability -$54.4K -15.2K -13.95% $3.58 93.6K Jun 13, 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.