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): November 18, 2025

TrustCo Bank Corp NY

(Exact name of registrant as specified in its charter)

NEW YORK	0-10592	14-1630287
(State or Other Jurisdiction of Incorporation or Organization)	(Commission File No.)	(IRS Employer Identification No.)

5 SARNOWSKI DRIVE, GLENVILLE, NEW YORK 12302

(Address of principal executive offices)

(518) 377-3311

(Registrant’s telephone number,

including area code)

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:

☐	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 each class		Trading Symbol(s)		Name of each exchange on which registered
	Common Stock, $1.00 par value		TRST		Nasdaq Global Select 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. ☐

TrustCo Bank Corp NY

Item 8.01.

Other Events

On November 19, 2025 TrustCo Bank Corp NY (the “Company”) announced that its Board of Directors declared a quarterly cash dividend of $0.38 per share, or $1.52 per share on an annualized basis. The dividend will be payable on January 2, 2026 to shareholders of record at the close of business on December 5, 2025.

A copy of the press release announcing dividend declaration is attached as Exhibit 99.1 to this report and is incorporated herein by reference.

Item 9.01.

Financial Statements and Exhibits

(c)

Exhibits

	Reg S-K Exhibit No.		Description

	99.1		Press release dated November 19, 2025 announcing that the Board of Directors of TrustCo declared a quarterly cash dividend of $0.38 per share.

	104		Cover Page Interactive Data File – the cover page XBRL tags are 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 thereunto duly authorized.

Dated: November 19, 2025

	TRUSTCO BANK CORP NY
	(Registrant)

	By:	/s/ Michael M. Ozimek
		Michael M. Ozimek
		Executive Vice President and Chief Financial Officer

TRUSTCO BANK CORP N Y 8-K