VYNE CEO buys 30,791 shares via ESPP

VYNE Therapeutics Inc. reported that President and CEO David Domzalski acquired additional common stock through the company’s employee share purchase plan.

Rhea-AI Filing Summary

VYNE Therapeutics Inc. reported that President and CEO David Domzalski acquired additional common stock through the company’s employee share purchase plan. On May 29, he obtained 30,791 shares of common stock at a price of $0.31 per share, characterized as a grant or award acquisition rather than an open-market purchase. Following this transaction, his directly held position increased to 438,779 shares. The footnote explains these shares were bought under the ESPP for the purchase period from December 1, 2025 to May 31, 2026 at 85% of the fair market value closing price on December 1, 2025, and that he purchased the maximum number of shares permitted under the plan for the calendar year.

Insider Trade Summary

Grant/Award: 30,791 shares

Grant/Award 1 txn

Insider Domzalski David

Role PRESIDENT AND CEO

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	30,791	$0.31	$10K

Holdings After Transaction: Common Stock — 438,779 shares (Direct)

Footnotes (1)

1. F1. These shares were acquired under the Issuer's Employee Share Purchase Plan ("ESPP") for the ESPP purchase period beginning on December 1, 2025 and ending on May 31, 2026 in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c). In accordance with the terms of the ESPP, these shares were purchased at a price equal to 85% of the fair market value closing price of the Issuer's common stock on December 1, 2025 (the first trading day of the offering period). The Reporting Person purchased the maximum number of shares permitted by the terms of the ESPP during the calendar year.

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Accepted by SEC EDGAR 06/02/2026 - 05:00 PM EDT 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^*

Domzalski David

(Last) (First) (Middle)

C/O VYNE THERAPEUTICS INC.

P.O. BOX 125

(Street)

STEWARTSVILLE NEW JERSEY 08886

(City) (State) (Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
VYNE Therapeutics Inc. [ VYNE ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/29/2026

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
Common Stock	05/29/2026		A(1)		30,791	A	$0.31	438,779	D

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

Explanation of Responses:

1. These shares were acquired under the Issuer's Employee Share Purchase Plan ("ESPP") for the ESPP purchase period beginning on December 1, 2025 and ending on May 31, 2026 in transactions that were exempt under both Rule 16b-3(d) and Rule 16b-3(c). In accordance with the terms of the ESPP, these shares were purchased at a price equal to 85% of the fair market value closing price of the Issuer's common stock on December 1, 2025 (the first trading day of the offering period). The Reporting Person purchased the maximum number of shares permitted by the terms of the ESPP during the calendar year.

	/s/ Mutya Harsch, Attorney-in-Fact	06/02/2026
	** 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)