UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 14, 2025

PATRIOT NATIONAL BANCORP, INC.

(Exact name of registrant as specified in its charter)

Connecticut	000-29599	06-1559137
(State or other jurisdiction of incorporation)	(Commission File Number)	(IRS Employer Identification No.)

900 Bedford Street, Stamford, Connecticut	06901
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number including area code: (203) 252-5900

(Former name or former address, if changed since last report): Not Applicable

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock, par value $0.01 per share	PNBK	NASDAQ Global Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b–2 of the Securities Exchange Act of 1934 (§ 240.12b–2 of this chapter).

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 revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Section 7 - Regulation FD

Item 7.01. Regulation FD Disclosure

On August 14, 2025, Patriot National Bancorp, Inc. (the “Company”) posted on its Investor Relations website (https://bankpatriot.com/Learn/About/Investor-Relations) a presentation of certain Q2 2025 financial information of Patriot Bank, National Association, a wholly owned subsidiary of the Company.

A copy of the Presentation is furnished as Exhibit 99.1 hereto. The information contained in this Current Report on Form 8-K (including the exhibits) is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that Section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise expressly stated in such filing.

Item 9.01. Financial Statements and Exhibits.

99.1	Presentation
104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	Patriot National Bancorp, Inc.
August 14, 2025		By: /s/ Carlos P. Salas
		Name: Carlos P. Salas
		Title: Chief Financial Officer