# EDGAR Filing Document

**Accession Number:** 0000357301
**File Stem:** 0001140361-26-002778
**Filing Date:** 2026-1
**Character Count:** 4704
**Document Hash:** 2de261aabce8a317b477534f22a9abfb
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-26-002778.hdr.sgml**: 20260129

**ACCESSION NUMBER**: 0001140361-26-002778

**CONFORMED SUBMISSION TYPE**: 8-K

**PUBLIC DOCUMENT COUNT**: 12

**CONFORMED PERIOD OF REPORT**: 20260127

**ITEM INFORMATION**: Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

**FILED AS OF DATE**: 20260129

**DATE AS OF CHANGE**: 20260129

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** TRUSTCO BANK CORP N Y
- **CENTRAL INDEX KEY:** 0000357301
- **STANDARD INDUSTRIAL CLASSIFICATION:** STATE COMMERCIAL BANKS [6022]
- **ORGANIZATION NAME:** 02 Finance
- **EIN:** 141630287
- **STATE OF INCORPORATION:** NY
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 8-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 000-10592
- **FILM NUMBER:** 26577150

**BUSINESS ADDRESS:**
- **STREET 1:** 6 METRO PARK ROAD
- **CITY:** ALBANY
- **STATE:** NY
- **ZIP:** 12205
- **BUSINESS PHONE:** 5183773311

**MAIL ADDRESS:**
- **STREET 1:** 6 METRO PARK ROAD
- **CITY:** ALBANY
- **STATE:** NY
- **ZIP:** 12205

?xml version='1.0' encoding='ASCII'?

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### 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**<br>| **000-10592**<br>| **14-1630287**<br>|
| (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:

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| | | |
|:---|:---|:---|
| 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. ☐

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| | |
|:---|:---|
| **<u>Item 5.02</u>.** | **<u>Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</u>.** |

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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.

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| | | |
|:---|:---|:---|
| Dated: January 29, 2026 |  |  |
|  | **TRUSTCO BANK CORP NY** | **TRUSTCO BANK CORP NY** |
|  | (Registrant) | (Registrant) |
|  | By:  | /s/ Michael M. Ozimek |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Michael M. Ozimek | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Michael M. Ozimek |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Executive Vice President and | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Executive Vice President and |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Chief Financial Officer | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Chief Financial Officer |

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