Origin Bancorp, Inc.

ITEM 2.02 Results of Operations and Financial Condition On October 28, 2026, Origin Bancorp, Inc. (the "Company" or the "Registrant") issued a press release announcing its third quarter 2026 results of operations. A copy of the press release is attached hereto as Exhibit 99.1, which is incorporated herein by reference. On Thursday, October 29, 2026, at 8:00 a.m. Central Time, the Company will host an investor conference call and webcast to review its third quarter 2026 financial results. The webcast will include presentation materials, which consist of information regarding the Company's results of operations and financial performance. The presentation materials will be posted on the Company's website on October 28, 2026. The presentation materials are attached hereto as Exhibit 99.2, which is incorporated herein by reference. As provided in General Instructions B.2 to Form 8-K, the information furnished in Item 2.02, Exhibit 99.1 and Exhibit 99.2 of this Current Report on Form 8-K shall not be deemed "filed" for 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, and such information shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.

ITEM 8.01 Other Events On October 28, 2026, the Company issued a press release announcing that the board of directors of the Company declared a quarterly cash dividend of $0.28 per share of its common stock. The cash dividend will be paid on November 30, 2026, to stockholders of record as of the close of business on November 13, 2026. The press release is attached hereto as Exhibit 99.3, and incorporated herein by reference.