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

Rhea-AI Filing Summary

Delcath Systems, Inc. announced that its board of directors has authorized a share repurchase program. Under this program, the company may buy back up to $25 million of its outstanding common stock. Repurchases may occur from time to time and are subject to market conditions, giving the company flexibility in how and when it executes the program.

Insights

Equity Capital Markets Analyst

Delcath authorizes up to $25M in common stock repurchases.

Delcath Systems, Inc. has authorized a share repurchase program allowing buybacks of up to $25 million of its outstanding common stock. This type of program is a capital allocation tool that can reduce the public float if executed, potentially affecting per-share metrics such as earnings per share.

The program is described as occurring "from time to time" and is "subject to market conditions," so actual repurchase activity will depend on trading levels and the company’s cash priorities. The authorization itself does not obligate Delcath to repurchase a specific number of shares or to complete the full $25 million amount.

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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 19, 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)

(212) 489-2100

(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 symbol(s)		Name of each exchange 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 8.01 Other Events.

On November 19, 2025, the board of directors of Delcath Systems, Inc., a Delaware corporation (the “Company”) authorized a share repurchase program under which the Company may repurchase up to $25 million of its outstanding shares of common stock from time to time, subject to market conditions.

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 20, 2025				By:		/s/ Gerard Michel
				Name:		Gerard Michel
				Title:		Chief Executive Officer

FAQ

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

Delcath Systems (DCTH) reported that its board of directors authorized a share repurchase program under which the company may buy back up to $25 million of its outstanding common stock.

How large is Delcath Systems' new share repurchase program?

The share repurchase program authorizes Delcath Systems to repurchase up to $25 million of its outstanding common stock.

What type of shares are covered by Delcath Systems' repurchase authorization?

The authorization covers repurchases of Delcath Systems' outstanding shares of common stock.

Are Delcath Systems' share repurchases subject to any conditions?

Yes. The company stated that repurchases under the program may occur from time to time and are subject to market conditions.

Does the $25 million authorization mean Delcath must repurchase that full amount?

No. The authorization allows Delcath Systems to repurchase up to $25 million, but it does not require the company to use the full amount.

Who signed the Delcath Systems 8-K announcing the repurchase program?

The report was signed on behalf of Delcath Systems, Inc. by Gerard Michel, the company’s Chief Executive Officer.