Every S-1 that Rhinebeck Bancorp Inc (RBKB) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A S-1 covers the registration statement a company files to sell shares publicly, so if you follow RBKB and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full RBKB filings page.
Rhinebeck Bancorp, Inc. is registering participation interests in up to 3,298,199 shares of common stock for purchase through the Rhinebeck Bank 401(k) Plan at $10.00 per share. This is part of a broader mutual-to-stock conversion in which the holding company is offering between 6,587,500 and 8,912,500 shares of common stock to eligible depositors, employee benefit plans and the community.
401(k) participants may redirect existing plan balances into a temporary Stock Purchase Fund during a dedicated election window that closes at 2:00 p.m. Eastern time on June 11, 2026, subject to minimum (25 shares) and maximum purchase limits. Purchased shares will be held in a new Rhinebeck Bancorp, Inc. Stock Fund inside the plan, alongside converted shares from the existing employer stock fund, and will fluctuate with the market price. The filing details purchase priorities, oversubscription handling, diversification warnings and ERISA considerations for investing retirement assets in employer stock.
Rhinebeck Bancorp’s 401(k) plan may purchase up to 3,298,199 shares of common stock at $10.00 per share in the conversion stock offering. These purchases occur through a new Rhinebeck Bancorp, Inc. Stock Fund that holds only company shares and tracks their market value daily.
The overall conversion offering registers between 6,587,500 and 8,912,500 primary shares, with estimated net proceeds ranging from approximately $62.95 million to $85.98 million. As of December 31, 2025, Rhinebeck Bank’s 401(k) Plan held about $32.98 million in assets and had roughly 243 active and former employee participants.
Plan participants can direct part of their retirement accounts into the Stock Purchase Fund during the offering, subject to a 25-share minimum and individual limits up to 60,000 shares (or 120,000 shares when acting in concert). After the offering, ongoing purchases and sales of Rhinebeck Bancorp stock inside the plan are allowed within diversification caps and normal trading rules.
Rhinebeck Bancorp, Inc. is offering up to 8,912,500 shares of common stock at $10.00 per share in connection with converting from a mutual holding company to a fully public stock holding company structure. The minimum offering size is 6,587,500 shares, with a midpoint of 7,750,000 shares.
Employees participating in the Rhinebeck Bank 401(k) Plan may direct up to 3,298,199 shares to be purchased through a new Rhinebeck Bancorp, Inc. Stock Fund, based on plan assets of about $32.98 million as of December 31, 2025. Plan participants can shift existing balances into a temporary money market “Stock Purchase Fund” during the offering and will then hold participation interests equivalent to Rhinebeck Bancorp shares.
The 401(k) materials explain purchase priorities, oversubscription handling, contribution and vesting rules, investment options and performance history, as well as ERISA protections and the importance of diversifying retirement savings, particularly when investing in employer stock.