Delcath director granted 22,500 stock options

DELCATH SYSTEMS, INC. director Aharon Gil received a grant of stock options covering 22,500 shares of common stock.

Rhea-AI Filing Summary

DELCATH SYSTEMS, INC. director Aharon Gil received a grant of stock options covering 22,500 shares of common stock. The options have an exercise price of $11.61 per share and were awarded as compensation, not through an open-market purchase or sale.

The grant vests in equal monthly installments of one-twelfth of the total, starting on May 13, 2026, so long as Gil remains a director and subject to the company’s 2020 Omnibus Equity Incentive Plan. Any unexercised options will expire the earlier of 10 years from grant or two years after service ends.

Insider Trade Summary

Grant/Award: 22,500 shares

Grant/Award 1 txn

Insider Aharon Gil

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Stock Option (right to buy)	22,500	$0.00	$0.00

Holdings After Transaction: Stock Option (right to buy) — 22,500 contracts (Direct)

Footnotes (1)

1. F1. The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

Key Figures

Stock options granted: 22,500 options Exercise price: $11.61 per share Underlying shares: 22,500 shares +3 more

6 metrics

Stock options granted 22,500 options Grant to director Aharon Gil

Exercise price $11.61 per share Stock option strike price

Underlying shares 22,500 shares Common stock underlying options

Post-grant derivative holdings 22,500 derivative securities Total options held after transaction

Vesting schedule 1/12 per month Beginning May 13, 2026 while serving as director

Expiration limits Earlier of 10 years or 2 years post-service Option term and service-based limit

Key Terms

Stock Option (right to buy), 2020 Omnibus Equity Incentive Plan, vest, exercise price, +1 more

5 terms

Stock Option (right to buy) financial

"security_title: Stock Option (right to buy)"

2020 Omnibus Equity Incentive Plan financial

"subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended"

vest financial

"The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month"

A vest is the process by which an employee earns the right to receive certain benefits or ownership interests, such as stock or retirement funds, over time. It’s similar to earning a reward gradually, ensuring that the benefit becomes fully yours only after a set period or meeting specific conditions. This makes it important for investors because it determines when they can actually claim or use those benefits.

exercise price financial

"conversion_or_exercise_price: 11.6100"

The exercise price is the fixed amount at which you can buy or sell an asset, like a stock, when using an options contract. It matters because it helps determine whether exercising the option will be profitable or not, depending on the current market price. Think of it as the set price you agree on today to buy or sell later.

expiration financial

"The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service."

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Delcath Systems (DCTH) director Aharon Gil report in this Form 4?

Director Aharon Gil reported receiving a grant of stock options for 22,500 shares of Delcath Systems common stock. These options were awarded as compensation, not purchased in the market, and give him the right to buy shares at a fixed exercise price.

How many Delcath Systems (DCTH) stock options were granted to Aharon Gil?

Aharon Gil was granted stock options covering 22,500 shares of Delcath Systems common stock. This entire amount represents a new award, and his total option holdings after the grant are 22,500 derivative securities according to the Form 4 transaction details.

What is the exercise price of Aharon Gil’s Delcath Systems (DCTH) stock options?

The granted stock options have an exercise price of $11.61 per share. This means Gil can choose to buy Delcath Systems common stock at $11.61 for each option that vests and remains unexpired, subject to the plan’s terms and his continued service.

How do Aharon Gil’s Delcath Systems (DCTH) options vest over time?

The options vest monthly at a rate of one-twelfth of the total grant, beginning on May 13, 2026. Vesting continues each month afterward for as long as Gil remains a director, consistent with the company’s 2020 Omnibus Equity Incentive Plan conditions.

When do Aharon Gil’s Delcath Systems (DCTH) stock options expire?

The options will expire on the earlier of two time limits: 10 years from the grant date, or for vested portions, two years from Gil’s last day of service as a director. Any options not exercised by then will lapse automatically.

Is Aharon Gil buying or selling Delcath Systems (DCTH) shares in this Form 4?

This Form 4 does not show an open-market buy or sell. It reports a compensation-related grant of stock options, giving Gil the right to buy 22,500 shares at $11.61 per share if the options vest and are exercised later.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/14/2026 - 05:45 PM Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Aharon Gil

(Last) (First) (Middle)

15 WELLESLEY STREET WEST

SUITE 326

(Street)

TORONTO M4Y 0G7

(City) (State) (Zip)

ONTARIO, CANADA

(Country)

2. Issuer Name and Ticker or Trading Symbol
DELCATH SYSTEMS, INC. [ DCTH ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/13/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	$11.61	05/13/2026		A		22,500		(1)	(1)	Common Stock	22,500	$0	22,500	D

Explanation of Responses:

1. The option will vest and become exercisable at the rate of one-twelfth (1/12th) per month with the first such vesting to occur on May 13, 2026 and monthly thereafter for so long as the reporting person remains a director of the Issuer (and subject to the terms and conditions of the Issuer's 2020 Omnibus Equity Incentive Plan, as amended). The option will expire the earlier of 10 years from the grant date or, for vested options, two years from the last day of service.

	/s/ Gerard Michel, Attorney-in-Fact	05/14/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)