Peter Hug - 01 Jun 2026 Form 4 Insider Report for ADC Therapeutics SA (ADCT)

Reporting relationship: Director
Issuer ticker: ADCT
Reported as of: 01 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 03 Jun 2026, 17:02:36 UTC
Prior SEC filing: 17 Jun 2025
Source filing: View source filing
Reporting owner signature: /s/ Lisa Kallebo, as Attorney-in-Fact for Peter Hug

Key filing fact

Peter Hug filed Form 4 for ADC Therapeutics SA (ADCT) on 03 Jun 2026.

Key facts

This page summarizes Peter Hug's Form 4 filing for ADC Therapeutics SA (ADCT).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 03 Jun 2026, 17:02.

Change

Previous filing in this sequence was filed on 17 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002000702 Primary reporting owner

Hug Peter

Relationship: Director
Address: 430 MOUNTAIN AVENUE, SUITE 404, NEW PROVIDENCE
Signature: /s/ Lisa Kallebo, as Attorney-in-Fact for Peter Hug
Signature date: 03 Jun 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ADCT transaction

Common Shares

Award

Transaction value
Shares: +45,000
Change %: +20%
Price: $0.000000^*
Shares after: 265,500
Date: 01 Jun 2026
Ownership: Direct
Footnotes: F1

ADCT transaction

Common Shares

Tax liability

Transaction value
Shares: -2,156
Change %: -0.81%
Price: $3.08^*
Shares after: 263,344
Date: 03 Jun 2026
Ownership: Direct
Footnotes: F2

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote F1

Represents the annual grant of restricted stock units ("RSUs") made under the Issuer's 2019 Equity Incentive Plan for service as a Director. The RSUs vest on the earlier of (i) one year from the grant date or (ii) the date of the 2027 Annual Meeting of Shareholders, subject to the Reporting Person's continued service to the Issuer. Each RSU represents a contingent right to receive one share of the Issuer's common stock.

Footnote F2

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.