Company: PNBK
Filing Date: 2025-07-10
Form Type: S-8
Source: 0001437749-25-022532
Chunk: 0

Company: PATRIOT NATIONAL BANCORP INC
Filing Date: 2025-07-10
Form: S-8
Chunk 0
---
<div align='center'>As filed with the Securities and Exchange Commission on July 10, 2025</div>

Registration No. 333-

### UNITED STATES

### SECURITIES AND EXCHANGE COMMISSION
<div align='center'>Washington, D.C. 20549

FORM S-8</div>

### REGISTRATION STATEMENT
<div align='center'>UNDER

THE SECURITIES ACT OF 1933

Patriot National Bancorp, Inc.

(Exact name of registrant as specified in its charter)</div>

| Connecticut                     |     | 06-1559137         |
| (State or other jurisdiction of 
 incorporation or organization)  |     | -I.R.S. Employer   
 Identification No. |

<div align='center'>900 Bedford Street

Stamford, Connecticut 06901

(Address of Principal Executive Offices) (Zip Code)

Patriot National Bancorp, Inc. 2025 Omnibus Equity Incentive Plan

(Full title of the plan)

Steven Sugarman

President

Patriot National Bancorp, Inc.

900 Bedford Street

Stamford, Connecticut 06901

(Name and address of agent for service)

(203) 252-5900

(Telephone number, including area code, of agent for service)

With copies to:

Alan L. Zeiger, Esq

Yelena Barychev, Esq

Peter Melampy, Esq

Blank Rome LLP

One Logan Square

130 North 18th Street

Philadelphia, PA 19103

(215) 569-5737</div>

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

| Large accelerated filer |     | ☐ |     | Accelerated filer         |     | ☐ |
| Non-accelerated filer   |     | ☒ |     | Smaller reporting company |     | ☒ |
|                         |     |   |     | Emerging growth company   |     | ☐ |

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or