| NEW YORK | 0-10592 | 14-1630287 |
| State or other jurisdiction of incorporation | Commission File Number | (IRS Employer Identification No.) |
| 5 SARNOWSKI DRIVE, GLENVILLE, NEW YORK | 12302 | |
| (Address of principal executive offices) | Zip Code |
| ☐ | 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)) |
| 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 |
| Item 5.02. | Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers |
| Item 5.07. | Submission of Matters to a Vote of Security Holders |
| For | Against | Abstain | Percentage of Votes Cast For | Broker Non-Votes | |
| Steffani Cotugno, DO | 12,447,632 | 1,140,855 | 34,587 | 91.60% | 1,434.774 |
| Brian C. Flynn | 12,267,014 | 1,324,504 | 31,556 | 90.25% | 1,434,774 |
| Lisa M. Lucarelli | 12,433,857 | 1,156,857 | 32,430 | 91.48% | 1,434,774 |
| Thomas O. Maggs | 12,196,189 | 1,395,064 | 31,821 | 89.73% | 1,434,774 |
| Anthony J. Marinello, MD, PhD | 12,204,224 | 1,384,874 | 33,976 | 89.80% | 1,434,774 |
| Robert J. McCormick | 12,448,714 | 1,143,242 | 31,118 | 91.58% | 1,434,774 |
| Curtis N. Powell | 12,270,209 | 1,318,312 | 34,553 | 90.29% | 1,434,774 |
| Kimberly A. Russell | 12,443,707 | 1,144,027 | 35,340 | 91.58% | 1,434,774 |
| Frank B. Silverman | 11,373,360 | 2,216,155 | 33,559 | 83.69% | 1,434,774 |
| For | Against | Abstain | Percentage of Votes Cast For | Broker Non-Votes | |
| Approval of an amendment to the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan in order to increase the aggregate number of shares of common stock available for issuance under the plan. | 12,267,246 | 1,310,701 | 45,127 | 90.34% | 1,434,774 |
| For | Against | Abstain | Percentage of Votes Cast For | Broker Non-Votes | |
| Approval of a Nonbinding Advisory Resolution on the Compensation of TrustCo’s Named Executive Officers | 12,336,045 | 1,208,378 | 78,651 | 91.07% | 1,434,774 |
| For | Against | Abstain | Percentage of Votes Cast For | |
| Ratification of the appointment of Crowe LLP as TrustCo’s independent registered public accounting firm for 2026 | 14,858,059 | 186,014 | 13,775 | 98.76% |
| Item 8.01. | Other Events |
| Item 9.01. | Financial Statements and Exhibits |
| (d) | Exhibits |
| Exhibit No. | Description of Exhibit |
| 10(a) | TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan. |
| 10(b) | Amendment No. 1 to the TrustCo Bank Corp NY Amended and Restated 2019 Equity Incentive Plan. |
| 99(a) | Presentation given at the 2026 Annual Meeting of Shareholders held on May 19, 2026. |
| 104 | Cover Page Interactive Data File (embedded within the Inline XBRL document). |
| Dated: May 20, 2026 | |||
| TRUSTCO BANK CORP NY | |||
| (Registrant) | |||
| By: | /s/Michael M. Ozimek | ||
| Michael M. Ozimek | |||
| Executive Vice President and Chief Financial Officer | |||