Form 8-K

8-K — Origin Bancorp, Inc.

Accession: 0001516912-26-000054

Filed: 2026-10-09

Period: 2026-10-09

CIK: 0001516912

SIC: 6022 (STATE COMMERCIAL BANKS)

Item: Regulation FD Disclosure

Item: Financial Statements and Exhibits

Documents

8-K — obnk-20261009.htm (Primary)

EX-99.1 (ex9913q26obkprannouncingco.htm)

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8-K

8-K (Primary)

Filename: obnk-20261009.htm · Sequence: 1

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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)

October 9, 2026

ORIGIN BANCORP, INC.

(Exact name of Registrant as specified in its charter)

Louisiana 001-38487 72-1192928

(State or other jurisdiction of incorporation) (Commission File No.) (I.R.S. Employer Identification No.)

500 South Service Road East

Ruston, LA 71270

(Address of principal executive offices including zip code)

(318) 255-2222

(Registrant's telephone number, including area code)

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:

☐ 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 $5.00 per share OBK New York Stock Exchange

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

On October 9, 2026, Origin Bancorp, Inc. (the “Registrant”) issued a press release announcing that on Thursday, October 29, 2026, at 8:00 a.m. Central Time, the Registrant will host an investor conference call and webcast to review its third quarter 2026 financial results. A copy of the press release is attached hereto as Exhibit 99.1, which is incorporated herein by reference. The webcast will include a slide presentation which consists of information regarding the Registrant's operations and financial performance. The presentation materials will be posted on the Registrant's website after market close on October 28, 2026.

As provided in General Instructions B.2 to Form 8-K, the information furnished in this Item 7.01 and in Exhibit 99.1 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 9.01 Financial Statements and Exhibits

(d) Exhibits. The following are furnished as exhibits to this Current Report on Form 8-K.

Exhibit 99.1

Press release dated October 9, 2026

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

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 thereunto duly authorized.

Dated: October 9, 2026

ORIGIN BANCORP, INC.

By: /s/ William J. Wallace, IV

William J. Wallace, IV

Senior Executive Officer and Chief Financial Officer

EX-99.1

Filename: ex9913q26obkprannouncingco.htm · Sequence: 2

Document

Exhibit 99.1

FOR IMMEDIATE RELEASE

October 9, 2026

Origin Bancorp, Inc. Announces Third Quarter 2026 Earnings Release and Conference Call

RUSTON, LA, October 9, 2026 - Origin Bancorp, Inc. (NYSE: OBK) (“Origin”), the financial holding company for Origin Bank, plans to issue third quarter 2026 results after the market closes on Wednesday, October 28, 2026, and hold a conference call to discuss such results on Thursday, October 29, 2026, at 8:00 a.m. Central Time (9:00 a.m. Eastern Time). The conference call will be hosted by Drake Mills, Chairman, President and CEO of Origin, William J. Wallace, IV, Chief Financial Officer of Origin, and Lance Hall, President and CEO of Origin Bank.

Conference Call and Live Webcast

To participate in the live conference call, please dial +1 (929) 272-1574 (U.S. Local / International 1); +1 (857) 999-3259 (U.S. Local / International 2); +1 (888) 700-7550 (U.S. Toll Free), enter Conference ID: 40835 and request to be joined into the Origin Bancorp, Inc. (OBK) call. A simultaneous audio-only webcast may be accessed via Origin’s website at www.origin.bank under the investor relations, News & Events, Events & Presentations link or directly by visiting https://dealroadshow.com/e/ORIGIN3Q26.

Conference Call Webcast Archive

If you are unable to participate during the live webcast, the webcast will be archived on the Investor Relations section of Origin’s website at www.origin.bank, under Investor Relations, News & Events, Events & Presentations.

About Origin Bancorp, Inc.

Origin Bancorp, Inc. is a financial holding company headquartered in Ruston, Louisiana. Origin’s wholly owned bank subsidiary, Origin Bank, was founded in 1912 in Choudrant, Louisiana. Deeply rooted in Origin’s history is a culture committed to providing personalized relationship banking to businesses, municipalities, and personal clients to enrich the lives of the people in the communities it serves. Origin provides a broad range of financial services and currently operates more than 57 locations in Dallas/Fort Worth, East Texas, Houston, North Louisiana, Mississippi, South Alabama and the Florida Panhandle. In addition, Origin provides a broad range of insurance agency products and services through its wholly owned insurance agency subsidiary, Forth Insurance, LLC. For more information, visit www.origin.bank and www.forthinsurance.com.

Contact Information

Investor Relations

Chris Reigelman

318-497-3177

chris@origin.bank

Media Contact

Ryan Kilpatrick

318-232-7472

rkilpatrick@origin.bank

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