Company: PNBK
Filing Date: 2025-06-04
Form Type: 424B5
Source: 0001437749-25-019364
Chunk: 12

Company: PATRIOT NATIONAL BANCORP INC
Filing Date: 2025-06-04
Form: 424B5
Chunk 12
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15(d) of the Exchange Act (other than any such documents or portions thereof that are deemed to have been furnished and not filed in accordance with the rules of the SEC), after the date hereof and prior to the termination of an offering of securities under this prospectus supplement shall be deemed to be incorporated by reference into this prospectus supplement and will automatically update and supersede the information in this prospectus supplement and any previously filed documents.

We will furnish without charge to each person, including any beneficial owner, to whom a prospectus is delivered, upon written or oral request, a copy of any or all of the documents incorporated by reference, including exhibits to these documents. Any such request may be made by writing or calling us at the following address or phone number:

<div align='center'>Patriot National Bancorp, Inc.
900 Bedford Street
Stamford, Connecticut 06901

Telephone: (203) 324-7500

Attention: Investor Relations

S-8</div>

PROSPECTUS

<div align='center'>$250,000,000

Common Stock

Preferred Stock

Debt Securities

Depositary Shares

Warrants

Purchase Contracts

Subscription Rights

Units</div>

We may offer, issue and sell from time to time up to $250,000,000, together or separately, in one or more offerings, the above-referenced securities. The securities we may offer may be convertible into or exchangeable for other securities. This prospectus describes some of the general terms that may apply to these securities and the general manner in which they may be offered. Each time we offer any securities pursuant to this prospectus, we will provide you with a prospectus supplement that will describe the specific amounts, prices and terms of the securities being offered and the specific manner in which they may be offered. You should read this prospectus, the information incorporated by reference in this prospectus, the accompanying prospectus supplement, including any information incorporated by reference therein, and any applicable free writing prospectus carefully before you invest in the securities described in the applicable prospectus supplement.

Our common stock is listed on the Nasdaq Global Market, or “Nasdaq,” and trades under the ticker symbol “PNBK.”

We may offer and sell these securities to or through one or more underwriters, dealers and agents, directly to purchasers or through a combination of these methods, on a continuous or delayed basis from time to time. See “Plan of Distribution.” The names of any underwriters, dealers or agents involved