X0609 4 2026-07-27 0000357301 TRUSTCO BANK CORP N Y TRST 0002102221 McCormick Lauren Ann false C/O TRUSTCO BANK CORP NY 5 SARNOWSKI DRIVE GLENVILLE NY 12302 true VP,Treasurer, Asst. Corp. Sec. false COMMON STOCK 2026-07-27 4 G 0 1756 0 A 1756 I AS TRUSTEE FOR CHILD COMMON STOCK 533 D COMMON STOCK 42923 I BY SPOUSE Shares are held by the Thomas and Susan McCormick Trust for the benefit of the reporting person's child. The reporting person serves as co-trustee of this trust. The reporting person disclaims beneficial ownership of these shares to the extent that she does not have a pecuniary interest therein, and this report should not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose. ADDITONAL SHARES ACQUIRED BY REPORTING PERSON'S PARTICIPATION IN DIVIEND REINVESTMENT AND/OR EMPLOYEE BENEFIT PLAN WITH DIVIDEND REINVESTMENT FEATURE. /S/MICHAEL M. OZIMEK, BY POWER OF ATTORNEY 2026-08-14