SEC FORM 4

SEC FORM 4SEC 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).

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^*

BUONAIUTO THOMAS

(Last)

(First)

(Middle)

220 RXR PLAZA

(Street)

UNIONDALE

NEW YORK

11556

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
FLUSHING FINANCIAL CORP [ FFIC ]

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

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/01/2026

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)
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	06/01/2026		D		5,592⁽¹⁾	D	⁽²⁾	0⁽³⁾	D
Common Stock	06/01/2026		D		24,259⁽⁴⁾	D	⁽²⁾	0⁽³⁾	D
Common Stock	06/01/2026		D		14,080⁽⁵⁾	D	⁽²⁾	0⁽³⁾	D
Common Stock	06/01/2026		D		11⁽⁶⁾	D	⁽²⁾	0⁽³⁾	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)
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)

Explanation of Responses:

1. Excludes the shares of Issuer common stock underlying previously unvested restricted stock units (Issuer RSUs) and performance restricted stock units (Issuer PRSUs) referenced in footnotes 4 and 5.

2. Disposed of pursuant to the Agreement and Plan of Merger, dated December 29, 2025, by and among Issuer, OceanFirst Financial Corporation (OCFC), and Apollo Merger Sub Corp. (the Merger Agreement). Pursuant to the terms of the Merger Agreement, at the effective time (the Effective Time) of the merger between Issuer and Apollo Merger Sub Corp. (the Merger), each share of Issuer common stock issued and outstanding immediately prior to the Effective Time was converted into the right to receive 0.85 shares of OCFC common stock (the Merger Consideration). All fractional shares were paid in cash. The Merger closed on June 1, 2026.

3. As a result of the Merger, the Reporting Person no longer beneficially owns, directly or indirectly, any shares of Issuer common stock.

4. Represents previously unvested Issuer RSUs and Issuer PRSUs awarded prior to the date of the Merger Agreement that, pursuant to the Merger Agreement, at the Effective Time, were accelerated and vested (at target for any Issuer PRSUs) and converted into shares of OCFC common stock, on a 0.85-to-one basis (rounded down to the nearest whole share).

5. Represents previously unvested Issuer RSUs and Issuer PRSUs awarded after the date of the Merger Agreement that, pursuant to the Merger Agreement, at the Effective Time, were converted into service-based RSUs denominated in shares of OCFC common stock (at target for any Issuer PRSUs), on a 0.85-to-one basis (rounded down to the nearest whole share) (and which remained subject to the same terms and conditions applicable to such Issuer RSUs and Issuer PRSUs other than any performance conditions or performance-based vesting).

6. Consists of shares of Issuer common stock credited to the Reporting Person 401(k) account at the Issuer 401(k) Savings Plan, which pursuant to the terms of the Merger Agreement, at the Effective Time were converted into the right to receive the Merger Consideration. All fractional shares were paid in cash.

	Signed by Russell A. Fleishman under POA by Thomas Buonaiuto	06/03/2026
	** 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)

SEVP Buonaiuto Thomas returned 43,942 shares to the company, closing all direct ownership in the company (SEC Form 4)