---
schema_version: "secwatch.filing_event.v1"
accession: "0001751783-26-000022"
form_type: "8-K"
ticker: "RBKB"
cik: "0001751783"
company_name: "Rhinebeck Bancorp, Inc."
filed_at: "2026-05-26T18:47:10+00:00"
generated_at: "2026-05-26T18:48:51.845462+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Rhinebeck Bancorp launches up to 8.9M share offering at $10 for mutual-to-stock conversion

## Summary
- Offering up to 8,912,500 shares at $10.00 each; minimum 6,587,500 shares must be sold to complete conversion.
- Second-step conversion from mutual holding company to fully stock holding company form.
- Subscription offering to eligible depositors and employee plans; community offering to NY counties residents, then existing stockholders, then public.
- Subject to regulatory approvals, stockholder and depositor approvals, and other customary conditions.
- Keefe Bruyette & Woods acting as marketing agent; Stock Information Center opened May 26, 2026.

## SEC filing metadata
- accession: 0001751783-26-000022
- form_type: 8-K
- ticker: RBKB
- cik: 0001751783
- company_name: Rhinebeck Bancorp, Inc.
- filed_at: 2026-05-26T18:47:10+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1751783/000175178326000022/0001751783-26-000022-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1751783/000175178326000022/rbkb-20260526x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001751783-26-000022
- JSON: https://secwatch.observer/filing/0001751783-26-000022.json
- Plain text: https://secwatch.observer/filing/0001751783-26-000022.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.