X0508 4 2023-05-26 0001751783 Rhinebeck Bancorp, Inc. RBKB 0001764187 Dwyer Francis X. 2 JEFFERSON PLAZA POUGHKEEPSIE NY 12601 1 President of Subsidiary 0 Common Stock 2023-05-26 4 I 0 9059 6.6077 D 317 I By 401(k) Common Stock 2023-08-25 4 F 0 380 6.918 D 2858 D Common Stock 1916 I By ESOP Common Stock 250 I By Son Stock Options 6.5700 2021-08-25 2030-08-25 Common Stock 22000 22000 D Reflects transactions not required to be reported pursuant to Section 16 of the Securities Act of 1934, as amended. Stock options are fully vested. /s/ Scott Brown, pursuant to power of attorney 2023-08-29