Investar Holding Corp

false 0001602658 0001602658 2026-10-22 2026-10-22 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 22, 2026 Investar Holding Corporation (Exact name of registrant as specified in its charter) Louisiana 001-36522 27-1560715 (State or other jurisdiction of incorporation) (Commission File Number) (I.R.S. Employer Identification No.) 10500 Coursey Blvd. Baton Rouge , Louisiana 70816 (Address of principal executive offices) (Zip Code) Registrant ’ s telephone number, including area code: ( 225 ) 227-2222 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 , $1.00 par value per share ISTR The Nasdaq Global Market 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 2.02 Results of Operations and Financial Condition On October 22, 2026, Investar Holding Corporation (the “Company”), the holding company of Investar Bank, National Association (the “Bank”), issued a press release reporting third quarter 2026 results and posted on its website its third quarter 2026 earnings release and investor presentation. The materials contain forward-looking statements regarding the Company and include a cautionary note identifying important factors that could cause actual results to differ materially from those anticipated. Copies of the earnings release and investor presentation are furnished as Exhibit 99.1 and Exhibit 99.2 to this Current Report on Form 8-K. The information contained in Item 2.02, including Exhibit 99.1 and Exhibit 99.2 of this Current Report, 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, nor shall it 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 a filing. Item 9.01 Financial Statements and Exhibits (d) Exhibits Exhibit Number Description of Exhibit 99.1 Earnings release of Investar Holding Corporation dated October 22, 2026 announcing financial results for the quarter ended September 30, 2026 99.2 Investor presentation dated October 22, 2026 104 The cover page of Investar Holding Corporation’s Form 8-K is formatted in Inline XBRL 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. INVESTAR HOLDING CORPORATION Date: October 22, 2026 By: /s/ John J. D’Angelo John J. D’Angelo President and Chief Executive Officer