Delcath Systems, Inc. SEC filings DCTH
Delcath Systems, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to Oct 13, 2011. Its latest annual report, Form ARS, was filed on Apr 2, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 6, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Aug 14, 2026 (bylaw or fiscal year change). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 27, 2026 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Oct 19, 2026 | — |
| 4 | Insider transaction | Oct 14, 2026 | Oct 13, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Jul 28, 2026 | — |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| 4 | Insider transaction | May 14, 2026 | May 13, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 27, 2026 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Mar 20, 2026 | — |
| 4 | Insider transaction | Mar 6, 2026 | Mar 6, 2026 |
| 4 | Insider transaction | Mar 3, 2026 | Mar 2, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| 4 | Insider transaction | Feb 18, 2026 | Feb 17, 2026 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Feb 10, 2026 | — |
| 4 | Insider transaction | Nov 25, 2025 | Nov 21, 2025 |
| 4 | Insider transaction | Nov 13, 2025 | Nov 11, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 17, 2025 | — |
| 4 | Insider transaction | Jun 13, 2025 | Jun 12, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| 4 | Insider transaction | May 19, 2025 | May 15, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2025 | — |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | May 12, 2025 | — |
| 4 | Insider transaction | May 9, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 5, 2025 |
| 4 | Insider transaction | May 9, 2025 | May 5, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 7, 2025 |
| 4 | Insider transaction | Feb 7, 2025 | Feb 7, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Jan 27, 2025 | — |
| 4 | Insider transaction | Dec 27, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 24, 2024 |
| 4 | Insider transaction | Dec 26, 2024 | Dec 24, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 14, 2024 | — |
| SC 13D/A | Amended ownership over 5% (active) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 14, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 8, 2024 | — |
| 4 | Insider transaction | Nov 1, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Nov 1, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Nov 1, 2024 | Oct 30, 2024 |
| 4 | Insider transaction | Oct 23, 2024 | Oct 22, 2024 |
| 144 | Notice of proposed sale | Jul 9, 2024 | — |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| 3 | Initial insider ownership | May 28, 2024 | May 23, 2024 |
| 4 | Insider transaction | May 28, 2024 | May 23, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | May 17, 2024 | — |
| 4/A | Primary document | May 16, 2024 | Apr 18, 2024 |
| 4/A | Primary document | May 16, 2024 | Apr 18, 2024 |
| 4/A | Primary document | May 16, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | May 16, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | May 16, 2024 | Apr 18, 2024 |
| 4 | Insider transaction | May 16, 2024 | Apr 18, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 25, 2024 | — |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 20, 2024 | Mar 18, 2024 |
| 3 | Initial insider ownership | Mar 20, 2024 | Mar 18, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Mar 19, 2024 | Mar 19, 2024 |
| 4 | Insider transaction | Feb 20, 2024 | Feb 8, 2023 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 2024 |
| 4 | Insider transaction | Feb 14, 2024 | Feb 12, 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 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2024 | — |
| 4 | Insider transaction | Jan 26, 2024 | Feb 8, 2023 |
| 4 | Insider transaction | Jan 26, 2024 | Feb 8, 2023 |
| 4 | Insider transaction | Jan 26, 2024 | Feb 8, 2023 |
| 4 | Insider transaction | Jan 26, 2024 | Feb 8, 2023 |
| 4 | Insider transaction | Jan 26, 2024 | Feb 8, 2023 |
| SC 13G | Ownership over 5% (passive) | Jan 9, 2024 | — |
| 4 | Insider transaction | Dec 14, 2023 | Dec 12, 2023 |
| 4 | Insider transaction | Dec 11, 2023 | Dec 8, 2023 |
| SC 13D/A | Amended ownership over 5% (active) | Nov 28, 2023 | — |
| 4 | Insider transaction | Nov 21, 2023 | Nov 17, 2023 |
| 4 | Insider transaction | Nov 21, 2023 | Nov 17, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Nov 20, 2023 | Nov 16, 2023 |
| 4 | Insider transaction | Oct 17, 2023 | Oct 13, 2023 |
| 4 | Insider transaction | Aug 23, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 22, 2023 | Aug 21, 2023 |
| 4 | Insider transaction | Aug 21, 2023 | Aug 18, 2023 |
| SC 13G | Ownership over 5% (passive) | Aug 16, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Jun 26, 2023 | — |
| 4 | Insider transaction | Jun 22, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 12, 2023 |
| SC 13G | Ownership over 5% (passive) | Jun 22, 2023 | — |
| 4 | Insider transaction | Jun 22, 2023 | Jun 12, 2023 |
| SC 13G | Ownership over 5% (passive) | Jun 22, 2023 | — |
| 3 | Initial insider ownership | Jun 22, 2023 | Jun 19, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 22, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 12, 2023 |
| 4 | Insider transaction | Jun 21, 2023 | Jun 12, 2023 |
| 3 | Initial insider ownership | Jun 9, 2023 | Jun 1, 2023 |
| 4 | Insider transaction | Apr 20, 2023 | Apr 18, 2023 |
| 4 | Insider transaction | Mar 30, 2023 | Mar 29, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Dec 29, 2022 | — |
| SC 13D/A | Amended ownership over 5% (active) | Dec 16, 2022 | — |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 16, 2022 | Dec 14, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 4 | Insider transaction | Dec 14, 2022 | Dec 13, 2022 |
| 3/A | Form 3/a submission | Aug 15, 2022 | Apr 4, 2022 |
| SC 13D | Ownership over 5% (active) | Jul 27, 2022 | — |
| 4 | Insider transaction | Jul 21, 2022 | Jul 20, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 18, 2022 |
| 4 | Insider transaction | Jul 20, 2022 | Jul 18, 2022 |
| 4 | Insider transaction | May 18, 2022 | May 16, 2022 |
| 3 | Initial insider ownership | May 18, 2022 | May 4, 2022 |
| 3 | Initial insider ownership | May 17, 2022 | May 4, 2022 |
| 3 | Initial insider ownership | May 16, 2022 | May 4, 2022 |
| 4 | Insider transaction | May 16, 2022 | May 13, 2022 |
| 4 | Insider transaction | May 13, 2022 | May 12, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 4, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 4, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 4, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 4, 2022 |
| 4 | Insider transaction | May 6, 2022 | May 4, 2022 |
| 4 | Insider transaction | Apr 21, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Apr 20, 2022 | Apr 19, 2022 |
| 4 | Insider transaction | Apr 19, 2022 | Apr 18, 2022 |
| 4 | Insider transaction | Apr 19, 2022 | Apr 18, 2022 |
| 4 | Insider transaction | Apr 18, 2022 | Apr 18, 2022 |
| 4 | Insider transaction | Apr 14, 2022 | Apr 13, 2022 |
| 4 | Insider transaction | Apr 14, 2022 | Apr 13, 2022 |
| 4 | Insider transaction | Apr 12, 2022 | Apr 12, 2022 |
| 4 | Insider transaction | Apr 12, 2022 | Apr 12, 2022 |
| 4 | Insider transaction | Apr 11, 2022 | Apr 11, 2022 |
| 3 | Initial insider ownership | Apr 11, 2022 | Apr 4, 2022 |
| 4 | Insider transaction | Apr 8, 2022 | Apr 8, 2022 |
| 4 | Insider transaction | Apr 8, 2022 | Apr 6, 2022 |
| 5 | Annual insider ownership | Apr 8, 2022 | Apr 6, 2022 |
| 4 | Insider transaction | Apr 8, 2022 | Apr 6, 2022 |
| 4/A | Form 4/a submission | Apr 5, 2022 | Nov 19, 2020 |
| SC 13D/A | Amended ownership over 5% (active) | Mar 9, 2022 | — |
| 4 | Insider transaction | Feb 16, 2022 | Feb 8, 2022 |
| 4 | Insider transaction | Feb 16, 2022 | Feb 8, 2022 |
| 5 | Annual insider ownership | Feb 14, 2022 | Dec 30, 2021 |
| 5 | Annual insider ownership | Feb 14, 2022 | Dec 30, 2021 |
| 5 | Annual insider ownership | Feb 14, 2022 | Dec 30, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Feb 14, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2022 | — |
| 4 | Insider transaction | Jan 3, 2022 | Dec 30, 2021 |
| 4 | Insider transaction | Jan 3, 2022 | Dec 30, 2021 |
| 4 | Insider transaction | Dec 6, 2021 | Dec 2, 2021 |
| 4 | Insider transaction | Oct 19, 2021 | Sep 1, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Aug 9, 2021 | Aug 5, 2021 |
| 4 | Insider transaction | Jul 1, 2021 | Jun 30, 2021 |
| 4 | Insider transaction | Jul 1, 2021 | Jun 30, 2021 |
| 4/A | Form 3 | Jul 1, 2021 | Jun 28, 2021 |
| 4 | Insider transaction | Jun 30, 2021 | Jun 28, 2021 |
| 4 | Insider transaction | Jun 30, 2021 | Jun 28, 2021 |
| 4 | Insider transaction | Jun 29, 2021 | Jun 25, 2021 |
| 4 | Insider transaction | Jun 28, 2021 | Jun 24, 2021 |
| 4 | Insider transaction | Jun 25, 2021 | Jun 23, 2021 |
| 4 | Insider transaction | Jun 25, 2021 | Jun 23, 2021 |
| 4 | Insider transaction | Jun 25, 2021 | Jun 23, 2021 |
| SC 13D/A | Amended ownership over 5% (active) | Jun 25, 2021 | — |
| 4 | Insider transaction | May 14, 2021 | May 13, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Apr 9, 2021 | — |
| SC 13D/A | Amended ownership over 5% (active) | Apr 6, 2021 | — |
| 4 | Insider transaction | Apr 5, 2021 | Apr 5, 2021 |
| 4 | Insider transaction | Apr 1, 2021 | Mar 31, 2021 |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Surgical & Medical Instruments & Apparatus (SIC 3841)
- Listed as
- DCTH (Nasdaq)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Queensbury, NY
- SEC filer status
- Non-accelerated filer, Smaller reporting company
- SEC CIK
- 872912
- Former names
- DELCATH SYSTEMS, INC. (until Oct 27, 2026); DELCATH SYSTEMS INC (until Apr 22, 2013)
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.