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EFFECT ·Filed May 15, 2026

RBKB

Rhinebeck Bancorp, Inc.
NEUTRAL
Impact 5/10
Horizondays Processed5mo ago SEC9999999995-26-001643
IPO/offering going effective
Actionable Insight • Neutral

Pricing of the offering is expected within 1-2 business days. Monitor for the final prospectus (424B4) and trading commencement. The offering at $10.00 could act as a near-term price anchor, though dilution from up to 8.9M new shares may pressure the stock.

DirectionNeutral
Confidencehigh
Horizondays
Final — all horizons settled through T+60d ⚠ clustered
RBKB ▲ +8.76% at T+60d
NEUTRAL call +8.76% · α vs SPY +4.25% · entry $11.47 → $12.48
Entry = T+0 close
May 15, 2026
via day close
T+1d
-1.00%
call -1.00% · α -0.93%
$11.36
settled 5mo ago
T+5d
-3.31%
call -3.31% · α -4.18%
$11.10
settled 5mo ago
T+20d
+4.34%
call +4.34% · α +2.22%
$11.97
settled 4mo ago
T+60d
+8.76%
call +8.76% · α +4.25%
$12.48
settled 3mo ago

Price Chart

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Executive Summary

Rhinebeck Bancorp's S-1 registration statement (File No. 333-294283) was declared effective by the SEC on May 14, 2026. This clears the way for the company's second-step mutual-to-stock conversion offering of up to 8,912,500 shares at $10.00 per share, expected to raise net proceeds of $63M-$86M to strengthen capital and improve liquidity.

Key Facts

  • SEC declared effectiveness on May 14, 2026 for S-1 registration (333-294283).
  • Offering up to 8,912,500 shares at $10.00 per share in second-step mutual-to-stock conversion.
  • Expected net proceeds between $63.0M and $86.0M, with at least 50% contributed to Rhinebeck Bank.
  • Company reported $10.045M net income for 2025 and $1.302B in assets.

Financial Impact

Up to $89.125M gross proceeds at $10.00/share; net proceeds $63M-$86M.

equitysharesOutstandingcapital ratios

Risk Factors

  • Dilution from share issuance; potential near-term price weakness as shares enter the market.
  • Conversion success depends on shareholder participation and market conditions.

Market Snapshot

Exchange
Nasdaq
Sector
Savings Institutions, Not Federally Chartered

Investment Themes

Traditional Finance

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
EFFECT Filing (Primary)9999999995-26-001643
Document: 9999999995-26-001643-index.html9999999995-26-001643
Document: 9999999995-26-001643.txt9999999995-26-001643
12 reports for RBKB
Performance horizon
67% Hit rate @ T+60 2 of 3 directional calls Went positive at some point 2 of 3 best @ T+60▲ +5.64%Jul 17, 2026
Filters
Rows
Reports for RBKB — sortable, filterable
TypeNow
Oct 6, 2026
20d ago
8-K
NEUTRAL ★ 2/10
$12.97awaiting T+60—$12.85 (−0.93%)
Aug 6, 2026
11w ago
Insider Buy
NEUTRAL ★ 2/10
$12.52awaiting T+60—$12.85 (+2.64%)
Jul 23, 2026
13w ago
Insider Cluster
BULLISH ★ 5/10
$12.43 $12.69▲ +2.09%▼ −1.64%$12.85 (+3.38%)
Jul 17, 2026
14w ago
8-K
BULLISH ★ 5/10
$17.02 $17.98▲ +5.64%▲ +0.95%$12.85 (−24.50%)
Jun 29, 2026
17w ago
8-K
NEUTRAL ★ 5/10
$17.31 $17.95▲ +3.71%▲ +0.97%$12.85 (−25.77%)
May 26, 2026
21w ago
8-K
BEARISH ★ 6/10
$11.02 $12.65▼ −14.75%▼ −12.03%$12.85 (−16.57%)
May 15, 2026
23w ago
EFFECT
NEUTRAL ★ 5/10
$11.47 $12.48▲ +8.76%▲ +4.25%$12.85 (+11.99%)
May 14, 2026
23w ago
8-K
NEUTRAL ★ 3/10
$11.47 $12.48▲ +8.76%▲ +4.25%$12.85 (+11.99%)
May 11, 2026
24w ago
S-1/A
NEUTRAL ★ 5/10
$11.50 $12.16▲ +5.78%▲ +1.38%$12.85 (+11.78%)
Apr 24, 2026
26w ago
S-1/A
NEUTRAL ★ 5/10
$16.05 $12.04▼ −24.98%▼ −29.76%$12.85 (−19.94%)
Showing 10 of 12

US Market Status

Market Closed — Opens Tue (15h 56m)

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Report published May 15, 2026