Form 8-K/A PEAPACK GLADSTONE FINANC For: Dec 18

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

____________

FORM 8-K/A

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

PEAPACK-GLADSTONE FINANCIAL CORPORATION

(Exact Name of Registrant as Specified in Charter)

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

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):

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. ☐

Explanatory Note

This Amendment No. 1 on Form 8-K/A amends the Current Report on Form 8-K filed on December 18, 2025 (the “Original Filing”) by Peapack-Gladstone Financial Corporation (the “Company”). The Original Filing reported, among other items, the appointments of Diane D’Erasmo and Ellen C. Walsh to the Company’s Board of Directors (the “Board”). At the time of the Original Filing, the Board had not made any determinations regarding committee assignments for Ms. D’Erasmo and Ms. Walsh. The Company hereby amends the Original Filing to include information on the committee assignments in Item 5.02 below. Other than providing the additional information in Item 5.02 below, no other disclosure in the Original Filing is amended by this Form 8-K/A.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

At a Board meeting held on February 26, 2026, the Board appointed Ms. D’Erasmo to the Risk Committee and the Technology Committee and appointed Ms. Walsh to the Risk Committee and the Compensation Committee. The committee appointments were immediately effective.

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.