{"url_path":"/sec/gbdc/8-k/2026-05-20/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-05-20","source_url":"https://www.sec.gov/Archives/edgar/data/1476765/0001104659-26-064563-index.html","accession_number":"0001104659-26-064563","cik":"0001476765","ticker":"GBDC","issuer_name":"GOLUB CAPITAL BDC, Inc.","edgar_url":"https://www.sec.gov/Archives/edgar/data/1476765/0001104659-26-064563-index.html","primary_entity_key":"0001476765","primary_entity_name":"GOLUB CAPITAL BDC, Inc."},"word_count":310,"has_tables":true,"body_markdown":"false\n0001476765\n\n0001476765\n\n2026-05-19\n2026-05-19\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n \n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE COMMISSION**\n\n**WASHINGTON, D.C. 20549**\n\n \n\n \n\n**FORM 8-K**\n\n \n\n \n\n**CURRENT REPORT**\n\n \n\n**Pursuant to Section 13 or 15(d) of the**\n\n**Securities Exchange Act of 1934**\n\n \n\n**Date of Report (Date of earliest event reported):\nMay 19, 2026**\n\n \n\n \n\n**GOLUB\nCAPITAL BDC, INC.**\n\n**(Exact name of Registrant as specified in its\ncharter)**\n\n \n\n \n\n**Delaware**\n \n**814-00794**\n \n**27-2326940**\n\n**(State or other jurisdiction**\n\n**of incorporation)**\n\n \n\n**(Commission**\n\n**File Number)**\n\n \n\n**(I.R.S. Employer**\n\n**Identification No.)**\n\n \n\n**200\nPark Avenue****, 25th\nFloor****, New York****,\nNY****10166**\n\n**(Address\nof Principal Executive Offices) (Zip Code)**\n\n \n\n**Registrant’s telephone number, including\narea code: (212****) 750-6060**\n\n \n\n \n\n \n\n**(Former name or former address, if changed\nsince last report)**\n\n \n\n \n\nCheck the appropriate box below if the Form 8-K\nfiling is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General\nInstruction A.2. below):\n\n \n\n¨\nWritten communications pursuant to Rule 425 under\nthe Securities Act (17 CFR 230.425)\n\n \n\n¨\nSoliciting material pursuant to Rule 14a-12 under\nthe Exchange Act (17 CFR 240.14a-12)\n\n \n\n¨\nPre-commencement communions pursuant to Rule 14d-2(b) under\nthe Exchange Act (17 CFR 240.14d-2(b))\n\n \n\n¨\nPre-commencement communications pursuant to Rule 13e-4(c) under\nthe Exchange Act (17 CFR 240.13e-4(c))\n\n \n\nSecurities registered pursuant\nto Section 12(b) of the Act:\n\n \n\n**Title\nof each class**\n \n**Trading\n\nSymbol (s)**\n \n**Name\nof each exchange\non which registered** \n\nCommon\nStock, par value $0.001 per share\n \nGBDC\n \nThe\nNasdaq Global\nSelect Market\n\n \n\nIndicate by check mark whether the registrant\nis an emerging growth company as defined in Rule 405 of the Securities Act of 1933 or Rule 12b–2 of the Securities Exchange\nAct of 1934.\n\n \n\n¨\nEmerging growth company\n\n \n\nIf\nan emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying\nwith any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨"}