{"url_path":"/sec/thff/8-k/2026-06-17/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-17","source_url":"https://www.sec.gov/Archives/edgar/data/714562/0000714562-26-000041-index.html","accession_number":"0000714562-26-000041","cik":"0000714562","ticker":"THFF","issuer_name":"FIRST FINANCIAL CORP /IN/","edgar_url":"https://www.sec.gov/Archives/edgar/data/714562/0000714562-26-000041-index.html","primary_entity_key":"0000714562","primary_entity_name":"FIRST FINANCIAL CORP /IN/"},"word_count":323,"has_tables":true,"body_markdown":"FIRST FINANCIAL CORPORATION_June 16, 2026\n\n0000714562false00007145622026-06-162026-06-16\n\n​\n\n​\n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE COMMISSION**\n\n**Washington, DC 20549**\n\n​\n\n**FORM****8-K**\n\n​\n\n**CURRENT REPORT**\n\n**Pursuant to Section 13 OR 15(d) of the Securities Exchange Act of 1934**\n\n​\n\n**Date of Report (Date of earliest event reported)****June 16, 2026**\n\n​\n\n**FIRST FINANCIAL CORPORATION**\n\n(Exact name of registrant as specified in its charter)\n\n​\n\nCommission File Number: 0-16759\n\n​\n\nIndiana\n\n35-1546989\n\n(State or other jurisdiction\n\n(I.R.S. Employer\n\nincorporation or organization)\n\nIdentification No.)\n\n​\n\n​\n\n​\n\nOne First Financial Plaza, Terre Haute, IN\n\n47807\n\n(Address of principal executive office)\n\n(Zip Code)\n\n​\n\n​\n\n​\n\n(812)  238-6000\n\n​\n\n(Registrant's telephone number, including area code)\n\n​\n\nCheck 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:\n\n​\n\n**☐**Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n​\n\n**☐**Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n​\n\n**☐**Pre-commencement communication pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n​\n\n**☐**Pre-commencement communication pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))\n\n​\n\nSecurities registered pursuant to Section 12(b) of the Act:\n\n​\n\n**Title of each class**\n\n​\n\n**Trading Symbol**\n\n​\n\n**Name of each exchange on which registered**\n\n**Common Stock, par value $0.125 per share**\n\n​\n\n**THFF**\n\n​\n\n**The NASDAQ Stock Market LLC**\n\n​\n\nIndicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).\n\n​\n\nEmerging growth company ☐\n\n​\n\nIf 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. ☐\n\n​\n\n​\n\n​"}