ADC Therapeutics SA SEC filings ADCT
ADC Therapeutics SA has 438 filings in SEC EDGAR's recent list, going back to Jun 27, 2019. Its latest annual report, Form ARS, was filed on Mar 10, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 13, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (results of operations, regulation fd disclosure, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Results of operations, Regulation FD disclosure, Other events
|
Nov 4, 2026 | Nov 4, 2026 |
| S-4 | Registration for a merger or exchange | Nov 3, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 29, 2026 | — |
| 8-K |
Current report
Material agreement, Results of operations, Unregistered share sale
|
Oct 13, 2026 | Oct 7, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Aug 14, 2026 | — |
| S-8 | Employee stock plan registration | Aug 13, 2026 | — |
| 10-Q | Quarterly report | Aug 13, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 13, 2026 | Aug 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 27, 2026 | — |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 4 | Insider transaction | Jul 2, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 2, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 24, 2026 | Jun 24, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 4 | Insider transaction | Jun 3, 2026 | Jun 1, 2026 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jun 3, 2026 | Jun 3, 2026 |
| 8-K |
Current report
Shareholder vote results
|
Jun 2, 2026 | Jun 1, 2026 |
| 10-Q | Quarterly report | May 4, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations
|
May 4, 2026 | May 4, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| DEFA14A | Additional proxy material | Apr 20, 2026 | — |
| DEF 14A | Proxy statement | Apr 20, 2026 | Jun 1, 2026 |
| 424B3 | Prospectus | Apr 15, 2026 | — |
| PRE 14A | Preliminary proxy statement | Apr 10, 2026 | Jun 1, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 6, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| EFFECT | Filing | Mar 16, 2026 | — |
| 424B3 | Prospectus | Mar 16, 2026 | — |
| CORRESP | Letter to the SEC | Mar 12, 2026 | — |
| UPLOAD | Letter from the SEC | Mar 12, 2026 | — |
| S-3 | Shelf registration | Mar 10, 2026 | — |
| ARS | Annual report to shareholders | Mar 10, 2026 | Dec 31, 2025 |
| 10-K | Annual report | Mar 10, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations
|
Mar 10, 2026 | Mar 10, 2026 |
| 8-K |
Current report
Material agreement, Unregistered share sale
|
Feb 23, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 8, 2026 | Jan 8, 2026 |
| EFFECT | Filing | Dec 12, 2025 | — |
| 424B3 | Prospectus | Dec 12, 2025 | — |
| CORRESP | Letter to the SEC | Dec 10, 2025 | — |
| 4 | Insider transaction | Dec 9, 2025 | Dec 6, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 6, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 6, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 6, 2025 |
| 4 | Insider transaction | Dec 9, 2025 | Dec 6, 2025 |
| S-3/A | Form s-3/a | Dec 9, 2025 | — |
| 8-K |
Current report
Other events
|
Dec 5, 2025 | Dec 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 13, 2025 | — |
| S-3 | Shelf registration | Nov 10, 2025 | — |
| 10-Q | Quarterly report | Nov 10, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 10, 2025 | Nov 10, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2025 | — |
| 4 | Insider transaction | Oct 28, 2025 | Oct 27, 2025 |
| 8-K |
Current report
Material agreement, Results of operations, Unregistered share sale
|
Oct 14, 2025 | Oct 12, 2025 |
| S-8 | Employee stock plan registration | Sep 30, 2025 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 30, 2025 | Sep 30, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| S-8 | Employee stock plan registration | Aug 12, 2025 | — |
| 10-Q | Quarterly report | Aug 12, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations
|
Aug 12, 2025 | Aug 12, 2025 |
| 424B3 | Prospectus | Jul 10, 2025 | — |
| EFFECT | Filing | Jul 9, 2025 | — |
| CORRESP | Letter to the SEC | Jul 7, 2025 | — |
| UPLOAD | Letter from the SEC | Jul 7, 2025 | — |
| S-3 | Shelf registration | Jun 30, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Jun 17, 2025 | — |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 17, 2025 | Jun 13, 2025 |
| 4 | Insider transaction | Jun 13, 2025 | Jun 11, 2025 |
| 8-K |
Current report
Material agreement, Exit or restructuring costs, Unregistered share sale
|
Jun 12, 2025 | Jun 11, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 4 | Insider transaction | Jun 5, 2025 | Jun 3, 2025 |
| 3 | Initial insider ownership | Jun 5, 2025 | Jun 3, 2025 |
| 3/A | Form 3/a | Jun 5, 2025 | Jan 2, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2025 | Jun 3, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 19, 2025 | — |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 10-Q | Quarterly report | May 14, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations
|
May 14, 2025 | May 14, 2025 |
| 4 | Insider transaction | May 8, 2025 | May 6, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2025 | — |
| DEF 14A | Proxy statement | Apr 21, 2025 | Jun 3, 2025 |
| DEFA14A | Additional proxy material | Apr 21, 2025 | — |
| PRE 14A | Preliminary proxy statement | Apr 9, 2025 | Jun 3, 2025 |
| ARS | Annual report to shareholders | Mar 27, 2025 | Dec 31, 2024 |
| 10-K | Annual report | Mar 27, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Mar 27, 2025 | Mar 27, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| 4 | Insider transaction | Feb 14, 2025 | Feb 13, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 14, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Feb 3, 2025 | — |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Jan 13, 2025 | Jan 13, 2025 |
| 4 | Insider transaction | Dec 13, 2024 | Dec 11, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 9, 2024 | Dec 6, 2024 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| 8-K |
Current report
Shareholder vote results
|
Nov 13, 2024 | Nov 11, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 13, 2024 | — |
| 10-Q | Quarterly report | Nov 7, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 7, 2024 | Nov 7, 2024 |
| DEFA14A | Additional proxy material | Sep 23, 2024 | — |
| DEF 14A | Proxy statement | Sep 23, 2024 | Nov 11, 2024 |
| PRE 14A | Preliminary proxy statement | Sep 13, 2024 | Nov 11, 2024 |
| EFFECT | Filing | Aug 13, 2024 | — |
| CORRESP | Letter to the SEC | Aug 9, 2024 | — |
| UPLOAD | Letter from the SEC | Aug 9, 2024 | — |
| S-3 | Shelf registration | Aug 6, 2024 | — |
| 10-Q | Quarterly report | Aug 6, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations
|
Aug 6, 2024 | Aug 6, 2024 |
| 4 | Insider transaction | Jul 3, 2024 | Jul 1, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 4 | Insider transaction | Jun 18, 2024 | Jun 17, 2024 |
| 144 | Notice of proposed sale | Jun 18, 2024 | — |
| 144 | Notice of proposed sale | Jun 18, 2024 | — |
| 144 | Notice of proposed sale | Jun 18, 2024 | — |
| 144 | Notice of proposed sale | Jun 18, 2024 | — |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 4 | Insider transaction | Jun 14, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 14, 2024 | Jun 13, 2024 |
| 3 | Initial insider ownership | Jun 6, 2024 | Jan 2, 2024 |
| 3 | Initial insider ownership | Jun 6, 2024 | Jan 2, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
May 14, 2024 | May 14, 2024 |
| 4 | Insider transaction | May 10, 2024 | May 8, 2024 |
| 4 | Insider transaction | May 9, 2024 | May 7, 2024 |
| 8-K |
Current report
Other events
|
May 8, 2024 | May 6, 2024 |
| 144 | Notice of proposed sale | May 7, 2024 | — |
| 424B5 | Prospectus supplement | May 7, 2024 | — |
| 424B5 | Prospectus supplement | May 6, 2024 | — |
| 10-Q | Quarterly report | May 6, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2024 | May 6, 2024 |
| SC 13G | Ownership over 5% (passive) | May 3, 2024 | — |
| DEFA14A | Additional proxy material | Apr 26, 2024 | — |
| DEF 14A | Proxy statement | Apr 26, 2024 | Jun 13, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Apr 25, 2024 | — |
| PRE 14A | Preliminary proxy statement | Apr 16, 2024 | Jun 13, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Apr 9, 2024 | Apr 9, 2024 |
| 424B3 | Prospectus | Mar 15, 2024 | — |
| 424B3 | Prospectus | Mar 15, 2024 | — |
| EFFECT | Filing | Mar 14, 2024 | — |
| EFFECT | Filing | Mar 14, 2024 | — |
| EFFECT | Filing | Mar 14, 2024 | — |
| POS AM | Form pos am | Mar 13, 2024 | — |
| POS AM | Form pos am | Mar 13, 2024 | — |
| POS AM | Form pos am | Mar 13, 2024 | — |
| ARS | Annual report to shareholders | Mar 13, 2024 | Dec 31, 2023 |
| 10-K | Annual report | Mar 13, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations
|
Mar 13, 2024 | Mar 13, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Mar 5, 2024 | Mar 5, 2024 |
| 8-K |
Current report
Officer or director change
|
Feb 29, 2024 | Feb 23, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 12, 2024 | — |
| 4 | Insider transaction | Feb 9, 2024 | Jan 3, 2024 |
| 3 | Initial insider ownership | Feb 9, 2024 | Jan 2, 2024 |
| 8-K |
Current report
Material agreement
|
Jan 24, 2024 | Jan 18, 2024 |
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- ADCT (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- Switzerland
- Headquarters
- Epalinges, Switzerland
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 1771910
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.