8-K

Dated: September 24, 2026

FIRST SEACOAST BANCORP, INC.

/s/ James R. Brannen

James R. Brannen

Chief Executive Officer

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): September 24, 2026

FIRST SEACOAST BANCORP, INC.

(Exact Name of Registrant as Specified in its Charter)

Maryland

001-41597

92-0334805

(State or Other Jurisdiction

of Incorporation)

(Commission

File No.)

(IRS Employer

Identification No.)


633 Central Avenue, Dover, New Hampshire		03820
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (603) 742-4680

Not Applicable

(Former name or former address, if changed since last report)

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 (see General Instruction A.2. below):

☐	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	FSEA	The Nasdaq Stock Market LLC

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. ☐

Item 8.01

Other Events.

On September 24, 2026, the last of the regulatory approvals and waivers required to complete the merger of First Seacoast Bancorp, Inc. (the “Company”) with and into Cambridge Financial Group, Inc. and the merger of First Seacoast Bank with and into Cambridge Savings Bank, was received. As previously reported, the Company’s stockholders approved the transactions at a Special Meeting of Stockholders held on August 27, 2026. Closing is expected to occur on October 1, 2026, subject to the satisfaction of customary closing conditions.

SIGNATURES

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.