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

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

1. Name and Address of Reporting Person ^*

O'ROURKE MICHAEL G

(Last)

(First)

(Middle)

100 JERICHO QUADRANGLE

SUITE 100

(Street)

JERICHO

11753

(City)

(State)

(Zip)

2. Issuer Name and Ticker or Trading Symbol
Esquire Financial Holdings, Inc. [ ESQ ]

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
President of Chicago Bank Div

3. Date of Earliest Transaction (Month/Day/Year)
08/01/2026

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

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

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

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	08/01/2026		A		66,726 ⁽¹⁾	A	⁽¹⁾	66,726 ⁽¹⁾	D
Common Stock	08/01/2026		A		18,630 ⁽¹⁾	A	⁽¹⁾	18,630 ⁽¹⁾	I	By IRA

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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Stock Options	$ 19.57 ⁽²⁾	08/01/2026		A		5,953 ⁽²⁾ ⁽³⁾		10/01/2017	10/01/2026	Common Stock	5,953 ⁽²⁾ ⁽³⁾	⁽²⁾	5,953 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 22.41 ⁽²⁾	08/01/2026		A		4,807 ⁽²⁾ ⁽³⁾		08/01/2018	08/01/2027	Common Stock	4,807 ⁽²⁾ ⁽³⁾	⁽²⁾	4,807 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 29.66 ⁽²⁾	08/01/2026		A		4,137 ⁽²⁾ ⁽³⁾		07/01/2019	07/01/2028	Common Stock	4,137 ⁽²⁾ ⁽³⁾	⁽²⁾	4,137 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 36.73 ⁽²⁾	08/01/2026		A		2,671 ⁽²⁾ ⁽³⁾		10/01/2020	10/01/2029	Common Stock	2,671 ⁽²⁾ ⁽³⁾	⁽²⁾	2,671 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 35.39 ⁽²⁾	08/01/2026		A		1,976 ⁽²⁾ ⁽³⁾		10/01/2021	10/01/2030	Common Stock	1,976 ⁽²⁾ ⁽³⁾	⁽²⁾	1,976 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 42.97 ⁽²⁾	08/01/2026		A		2,003 ⁽²⁾ ⁽³⁾		07/01/2022	07/01/2031	Common Stock	2,003 ⁽²⁾ ⁽³⁾	⁽²⁾	2,003 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 52.23 ⁽²⁾	08/01/2026		A		1,816 ⁽²⁾ ⁽³⁾		07/01/2023	07/01/2032	Common Stock	1,816 ⁽²⁾ ⁽³⁾	⁽²⁾	1,816 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 62.34 ⁽²⁾	08/01/2026		A		1,842 ⁽²⁾ ⁽³⁾		07/01/2024	07/01/2033	Common Stock	1,842 ⁽²⁾ ⁽³⁾	⁽²⁾	1,842 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 70.77 ⁽²⁾	08/01/2026		A		1,856 ⁽²⁾ ⁽³⁾		07/01/2025	07/01/2034	Common Stock	1,856 ⁽²⁾ ⁽³⁾	⁽²⁾	1,856 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 80.87 ⁽²⁾	08/01/2026		A		1,861 ⁽²⁾ ⁽³⁾		07/01/2026	07/01/2035	Common Stock	1,861 ⁽²⁾ ⁽³⁾	⁽²⁾	1,861 ⁽²⁾ ⁽³⁾	D
Stock Options	$ 111.14 ⁽²⁾	08/01/2026		A		1,861 ⁽²⁾ ⁽⁴⁾		05/26/2027	05/26/2036	Common Stock	1,861 ⁽²⁾ ⁽⁴⁾	⁽²⁾	1,861 ⁽²⁾ ⁽⁴⁾	D
Stock Options	$ 80.87 ⁽²⁾	08/01/2026		A		1,861 ⁽²⁾ ⁽³⁾		07/01/2026	07/01/2035	Common Stock	1,861 ⁽²⁾ ⁽³⁾	⁽²⁾	1,861 ⁽²⁾ ⁽³⁾	D

Explanation of Responses:

1. Pursuant to the Agreement and Plan of Merger dated March 11, 2026 between the Issuer, Signature Bancorporation, Inc. ("Signature") and Esquire Merger Sub, Inc., each issued and outstanding share of Signature common stock was converted into the right to receive 2.671 shares of common stock of Issuer. Holders of Signature Common Stock will receive cash in lieu of fractional shares of Issuer common stock in accordance with the terms of the Agreement and Plan of Merger.

2. This option converted into a stock option exercisable for a number of shares of Issuer common stock equal to the number of shares of Signature common stock underlying the option multiplied by 2.671, rounded down to the nearest whole share, with an exercise price per share of Issuer common stock equal to the exercise price applicable to the underlying option divided by 2.671, rounded up to the nearest cent.

3. Stock options are fully vested.

4. Stock options vest in five equal annual installments commencing on May 26, 2027.

	/s/ Gary A. Lax, pursuant to power of attorney	08/01/2026
	** Signature of Reporting Person	Date
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