<div id="readability-page-1"><div>Ozimek Michael M Chief Financial Officer of TrustCo Bank Corp/NY [TRST] filed a Form 4 on November 21, 2025 with the Securities and Exchange Commission disclosing the following changes in ownership:<div><table><tbody><tr><th>Date</th><th>Transaction</th><th>Shares</th><th>Price</th><th>Value</th></tr><tr><td>11/19/25</td><td>Exercise</td><td>917</td><td>$0.00</td><td>N/A</td></tr><tr><td>11/19/25</td><td>Surrender(1)</td><td>342</td><td>$39.70</td><td>$13,577</td></tr></tbody></table></div>Ending Holdings: 29,300 - Direct<ul><li>(1)</li><li>Surrender of shares back to company to pay option exercise cost and/or resulting tax liability.</li></ul>For a free trial, or to learn more about our insider trading analysis and data services, please visit http://www.washingtonservice.com or contact us at (301) 913-5100 or send an email to info@washingtonservice.com.Founded in 1970, The Washington Service provides securities professionals with financial, economic and public policy research and data. </div></div>

TRST

CFO Michael M. Ozimek of TrustCo Bank Corp/NY filed a Form 4 with the SEC, disclosing changes in ownership. On November 19, 2025, he exercised 917 shares and surrendered 342 shares at $39.70 each to cover option exercise costs and tax liabilities. His ending holdings are 29,300 shares directly. The Washington Service offers insider trading analysis and data services.

CFO Ozimek Acquires 575 Of TrustCo Bank Corp/NY [TRST]