[8-K] DELCATH SYSTEMS, INC. Reports Material Event

Rhea-AI Filing Summary

Delcath Systems (DCTH) filed an 8-K to furnish a press release announcing financial results and business highlights for the quarter ended September 30, 2025. The press release is provided as Exhibit 99.1 under Item 2.02. The company states the information, including the press release, is furnished, not filed under the Exchange Act and will not be incorporated by reference into other SEC filings. The 8-K was signed by CFO Sandra Pennell.

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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

_____________________

FORM 8-K

_____________________

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): November 4, 2025

_____________________

DELCATH SYSTEMS, INC.

(Exact Name of Registrant as Specified in its Charter)

_____________________

Delaware

001-16133

06-1245881

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(IRS Employer Identification No.)

566 Queensbury Avenue

Queensbury, NY 12804

(Address of principal executive offices) (Zip Code)

(518) 743-8892

(Registrant’s telephone number, including area code)

Not Applicable

(Former name or former address, if changed since last report)

_____________________

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐    Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class

Trading

Name of each exchange

symbol(s)

on which registered

Common Stock, $.01 par value

DCTH

The Nasdaq Capital Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02    

Results of Operations and Financial Condition.

On November 4, 2025, Delcath Systems, Inc. (“Delcath”) issued a press release announcing financial results and business highlights for the quarter ended September 30, 2025 (the “Press Release”). A copy of the press release is furnished pursuant to Item 2.02 as Exhibit 99.1 hereto and is incorporated herein by reference.

The information contained in this Current Report on Form 8-K, including the Press Release, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section or Sections 11 and 12(a)(2) of the Securities Act of 1933, as amended. The information contained herein and in the Press Release shall not be incorporated by reference into any filing with the U.S. Securities and Exchange Commission by Delcath whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Item 9.01    

Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.						Description
99.1						Press Release, dated November 4, 2025
104						Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

			DELCATH SYSTEMS, INC.
Date: November 4, 2025			By:						/s/ Sandra Pennell
									Name: Sandra Pennell
									Title: Chief Financial Officer

FAQ

What did Delcath Systems (DCTH) disclose in this 8-K?

The company furnished a press release announcing financial results and business highlights for the quarter ended September 30, 2025, as Exhibit 99.1.

Which period does the press release cover for DCTH?

It covers the quarter ended September 30, 2025.

Is the press release considered filed or furnished?

It is furnished, not filed, and is not subject to Section 18 liabilities or incorporation by reference.

What is the exhibit number for the press release?

Exhibit 99.1 contains the press release; the cover page Inline XBRL is Exhibit 104.

Who signed the 8-K for Delcath Systems?

Chief Financial Officer Sandra Pennell signed the report.

What Exchange Act item applies to this disclosure?

Item 2.02, Results of Operations and Financial Condition.