Filing Manager
HPWH TH AG
Reporting Manager
Dr. Hans-Peter Wild
Symbol
ADCT
Shares outstanding
101,862,060 shares
Disclosed Ownership
9,788,944 shares
Ownership
9.6%
Form type
SCHEDULE 13G/A
Filing time
19 May 2025, 19:40:24 UTC
Date of event
15 May 2025

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Quoteable Key Fact

"HPWH TH AG disclosed 9.6% ownership in ADC Therapeutics SA Common Shares, par value CHF 0.08 per share (ADCT) on 15 May 2025."

Quick Takeaways

  • HPWH TH AG filed SCHEDULE 13G/A for ADC Therapeutics SA Common Shares, par value CHF 0.08 per share (ADCT).
  • Disclosed ownership: 9.6%.
  • Date of event: 15 May 2025.

What Changed

  • No earlier schedule filing is available for direct comparison.
  • Current filing was accepted on 19 May 2025, 19:40.

Why This Matters

  • This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
  • You can verify ownership claims directly against the original SEC filing.

Source Evidence

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

See Original Filing

Reporting Managers (3)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
HPWH TH AG 8.5% 8,670,588 8,670,588 0 /s/ Dr. Hans-Peter Wild Dr. Hans-Peter Wild/Chairman
Dr. Hans-Peter Wild 9.6% 9,788,944 9,788,944 0 /s/ Dr. Hans-Peter Wild Dr. Hans-Peter Wild
Thomas Pfisterer 0.17% 173,899 173,899 0 /s/ Thomas Pfisterer Thomas Pfisterer