{"url_path":"/sec/cik-0002082557/8-k/2026-06-29/item-1-01","section_key":"item-1-01","section_title":"Item 1.01 ****Entry into a Material Definitive Agreement.**","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":145,"has_tables":true,"body_markdown":"** **\n\n**Item 1.01.****Entry into a Material Definitive Agreement.**\n\n** **\n\n**BANA Credit Facility Amendment**\n\n** **\n\nOn June 23, 2026, GPIF S Funding (“Funding”),\na wholly-owned subsidiary of Golub Capital Private Income Fund S (the “Company”), entered into a second amended and restated\nside letter (“Side Letter”) to the revolving credit and security agreement (as amended and restated on December 31, 2025,\nthe “BANA Credit Facility”) by and among Funding, as borrower, the Company, as servicer, Bank of America, N.A., as administrative\nagent and sole lender, and Computershare Trust Company, N.A., as collateral custodian.\n\n \n\nThe Side Letter, among other things, modifies\nthe minimum utilization level for purposes of calculating the unused commitment fee through September 30, 2026. \n\n \n\nThe foregoing description of the Side Letter\nis not complete and is qualified in its entirety by reference to the full text of the Side Letter, which is attached hereto as Exhibit\n10.1."}