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Form 8-K

sec.gov

8-K — Stellar Bancorp, Inc.

Accession: 0001473844-26-000010

Filed: 2026-04-01

Period: 2026-04-01

CIK: 0001473844

SIC: 6021 (NATIONAL COMMERCIAL BANKS)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — stel-20260401.htm (Primary)

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8-K

8-K (Primary)

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0001473844FALSE00014738442026-04-012026-04-01

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): April 1, 2026

Stellar Bancorp, Inc.

(Exact Name of Registrant as Specified in Charter)

Texas 001-38280 20-8339782

(State or Other Jurisdiction of Incorporation) (Commission File Number) (I.R.S. Employer Identification Number)

9 Greenway Plaza, Suite 110

Houston, Texas 77046

(Address of Principal Executive Offices) (Zip Code)

(713) 210-7600

(Registrant’s telephone number, including area code)

(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:

☐ 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 STEL New York Stock Exchange

NYSE Texas

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 7.01 Regulation FD Disclosure

Redemption of Subordinated Notes.

On April 1, 2026, Stellar Bancorp, Inc. redeemed the remaining $30.0 million aggregate principal amount of 4.70% Fixed-to-Floating Rate Subordinated Notes due 2029 (the “Notes”). The redemption price for the Notes was equal to 100% of the principal amount of the Notes redeemed, plus accrued and unpaid interest to, but excluding, the redemption date, of April 1, 2026. The redemption on April 1, 2026 resulted in the redemption of all of the outstanding Notes.

In accordance with General Instruction B.2 to Form 8-K, the information furnished in this Item 7.01 shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liabilities of that section, and such information shall not be deemed incorporated by reference in any filing under the Securities Act, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

The following are furnished as exhibits to this Current Report on Form 8-K

Exhibit Number Description of Exhibit

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.

STELLAR BANCORP, INC.

Date: April 1, 2026 By: /s/ Paul P. Egge

Paul P. Egge

Chief Financial Officer

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