Gerard J. Michel - 17 Feb 2026 Form 4 Insider Report for DELCATH SYSTEMS, INC. (DCTH)

Role: CHIEF EXECUTIVE OFFICER, Director
Signature: /s/ Gerard Michel
Issuer symbol: DCTH
Transactions as of: 17 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 18 Feb 2026, 21:30:05 UTC
Previous filing: 14 Jan 2026
Next filing: 03 Mar 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
MICHEL GERARD J	CHIEF EXECUTIVE OFFICER, Director	C/O DELCATH SYSTEMS, INC., 566 QUEENSBURY AVENUE, QUEENSBURY	/s/ Gerard Michel	18 Feb 2026	0001235644

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	DCTH	Stock Option (Right to Buy)	Award	$0	+195,000		$0.000000	195,000	17 Feb 2026	Common Stock	195,000	$9.40	Direct	F1
transaction	DCTH	Restricted Stock Units	Award	$0	+97,500		$0.000000	97,500	17 Feb 2026	Common Stock	97,500		Direct	F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The option will vest and become exercisable at the rate of one-thirty-sixth (1/36th) per month with the first such vesting to occur on February 17, 2026 and monthly thereafter for so long as the reporting person remains an employee of Delcath Systems, Inc. (and subject to the terms and conditions of the Delcath Systems, Inc. 2020 Omnibus Equity Incentive Plan, as amended).
F2	Each restricted stock unit ("RSU") represents a contingent right to receive one share of the Issuer's common stock.
F3	Represents an RSU award, one-third of which shall vest on February 17, 2027 with the remaining two-thirds of the RSUs vesting in equal annual installments over the following two years. The vesting of the RSUs is subject to the Reporting Person's continuous service through each such vesting date.