Rhinebeck Bancorp, Inc.

RBKB·NASDAQ·$15.40Share Price as of 11/2·$171MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/13/26 10-QQ1 ended 03/31/2605/14/26 10-KFY 202503/13/26 10-QQ3 ended 09/30/2511/13/25 10-QQ2 ended 06/30/2508/12/25

Disclosures

8-KCurrent report10/29/26 8-KCurrent report10/06/26 8-KCurrent report08/18/26 8-KCurrent report08/14/26 8-KCurrent report07/23/26

Prospectuses and Registrations

424B3Prospectus05/22/26 424B3Prospectus05/22/26 424B3Prospectus05/22/26 S-1/ARegistration statement (amended)05/11/26 S-1/ARegistration statement (amended)04/24/26

Proxies

DEF 14ADefinitive proxy04/15/26 DEF 14ADefinitive proxy04/15/25 DEFA14AAdditional proxy materials04/18/24 DEF 14ADefinitive proxy04/15/24 DEF 14ADefinitive proxy04/17/23

Ownership

SC 13G/ABeneficial ownership (amended)10/28/26 SC 13G/ABeneficial ownership (amended)08/11/26 Form 4Insider transaction08/06/26 Form 4Insider transaction07/23/26 Form 4Insider transaction07/23/26

Other

11-KEmployee stock purchase plan report06/25/26 EFFECTRequest for effectiveness05/14/26 CORRESPCorrespondence with the SEC05/12/26 CORRESPCorrespondence with the SEC05/12/26 ARSAnnual report to shareholders04/15/26