UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT PURSUANT

TO SECTION 13 OR 11(D) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of Report (date of earliest event reported): January 27, 2026

TrustCo Bank Corp NY

(Exact name of registrant as specified in its charter)

NEW YORK	000-10592	14-1630287
(State or Other Jurisdiction of Incorporation or Organization)	(Commission File No.)	(I.R.S. Employer Identification Number)

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. ☐

Item 5.02.

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On January 27, 2026, Robert M. Leonard, Executive Vice President and Chief Operating Officer of TrustCo Bank Corp NY (the “Company”), delivered notice to the Company that he intends to retire from his positions with the Company and its subsidiaries, including Trustco Bank, effective December 31, 2026.

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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: January 29, 2026

	TRUSTCO BANK CORP NY
	(Registrant)

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

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TRUSTCO BANK CORP N Y 8-K