UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(D) OF

THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): October 21, 2025

GREENE COUNTY BANCORP, INC.

(Exact Name of Registrant as Specified in its Charter)

United States		0-25165		14-1809721
(State or Other Jurisdiction of Incorporation)		(Commission File No.)		(I.R.S. Employer Identification No.)

302 Main Street, Catskill NY		12414
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (518) 943-2600

Not Applicable

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

☐	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of class	Trading symbol	Name of exchange on which registered
Common Stock, $0.10 par value	GCBC	The Nasdaq Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 2.02

Results of Operations and Financial Condition

On October 21, 2025, Greene County Bancorp, Inc. issued a press release disclosing financial results for the three months ended September 30, 2025. A copy of the press release is included as exhibit 99.1 to this report.

The information in the preceding paragraph, as well as Exhibit 99.1 referenced therein, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933.

Item 9.01.

Financial Statements and Exhibits

	Exhibit No.	Description

	99.1	Press release dated October 21, 2025

	Exhibit Number	Description

	104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized.

	GREENE COUNTY BANCORP, INC.

DATE: October 21, 2025	By:	/s/ Donald E. Gibson
	Donald E. Gibson
	President and Chief Executive Officer

GREENE COUNTY BANCORP INC 8-K