{"url_path":"/sec/cik-0002082557/8-k/2026-06-29/cover-page","section_key":"cover-page","section_title":"Cover Page","topic":"sec","document":{"doc_type":"8-K","doc_date":"2026-06-29","source_url":"https://www.sec.gov/Archives/edgar/data/2082557/0001104659-26-078818-index.html","accession_number":"0001104659-26-078818","cik":"0002082557","ticker":null,"issuer_name":"Golub Capital Private Income Fund S","edgar_url":"https://www.sec.gov/Archives/edgar/data/2082557/0001104659-26-078818-index.html","primary_entity_key":"0002082557","primary_entity_name":"Golub Capital Private Income Fund S"},"word_count":303,"has_tables":true,"body_markdown":"false\n0002082557\n\n0002082557\n\n2026-06-23\n2026-06-23\n\niso4217:USD\n\nxbrli:shares\n\niso4217:USD\n\nxbrli:shares\n\n \n\n \n\n**UNITED STATES**\n\n**SECURITIES AND EXCHANGE COMMISSION**\n\n**WASHINGTON, DC 20549**\n\n \n\n \n\n**FORM 8-K**\n\n \n\n**CURRENT REPORT**\n\n \n\n**Pursuant to Section 13 or 15(d) of\nthe**\n\n**Securities Exchange Act of 1934**\n\n \n\n**Date of report (Date of earliest event reported):\nJune 23, 2026**\n\n \n\n \n\n**GOLUB CAPITAL PRIVATE INCOME FUND S**\n\n**(Exact name of Registrant as Specified in Its\nCharter)**\n\n \n\n**Delaware**\n \n**814-01945**\n \n**39-3613464**\n\n**(State or Other Jurisdiction of Incorporation)**\n \n**(Commission File Number)**\n \n**(IRS Employer Identification No.)**\n\n \n\n**200 Park Avenue, 25th Floor, New York, NY\n10166**\n\n**(Address of Principal Executive Offices)** **(Zip\nCode)**\n\n \n\n**Registrant’s telephone number, including\narea code: (212****) 750-6060**\n\n \n\n \n\n**(Former Name or Former Address, if Changed Since\nLast Report)**\n\n \n\n \n\nCheck the appropriate box below if the Form 8-K filing is intended\nto simultaneously satisfy the filing obligation of the registrant under any of the following provisions (*see* General Instruction\nA.2. below):\n\n \n\n¨\nWritten\ncommunications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)\n\n \n \n\n¨\nSoliciting\nmaterial pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)\n\n \n \n\n¨\nPre-commencement\ncommunications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))\n\n \n \n\n¨\nPre-commencement\ncommunications 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**Trading Symbol**\n**Name of each exchange on which registered**\n\nNone\nN/A\nN/A\n\n \n\nIndicate by check mark whether the registrant is an emerging growth\ncompany as defined in Rule 405 of the Securities Act of 1933 or Rule 12b- 2 of the Securities Exchange Act of 1934.\n\n \n\nEmerging growth\ncompany x\n\n \n\nIf an emerging growth company, indicate by check mark if the registrant\nhas elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant\nto Section 13(a) of the Exchange Act. ☐"}