Golub Capital Private Income Fund S: amends BANA credit facility

What happened GPIF S Funding, a wholly-owned subsidiary of Golub Capital Private Income Fund S (the "Company"), entered into a first amendment to the revolving credit and security agreement (as amended and restated on Dec 31, 2025, the "BANA Credit Facility") on Sep 30, 2026. The amendment was made among GPIF S Funding, the Company (as servicer), Bank of America, N.A. (as administrative agent and sole lender), and Computershare Trust Company, N.A. (as collateral custodian). The filing says the amendment temporarily amends the Aggregate Commitments under the BANA Credit Facility from Sep 30, 2026 through Aug 16, 2027 (or an earlier date agreed among the administrative agent, the required lenders and Funding). The amendment is attached as Exhibit 10.1 to the filing.

Key details

• Effective date of the amendment: Sep 30, 2026.
• Temporary amendment period for Aggregate Commitments: Sep 30, 2026 through Aug 16, 2027 (or earlier date as agreed).
• Parties: GPIF S Funding (borrower), Golub Capital Private Income Fund S (servicer), Bank of America, N.A. (administrative agent and sole lender), Computershare Trust Company, N.A. (collateral custodian).
• The BANA Credit Facility had been amended and restated on Dec 31, 2025.

Why it may matter This Form 8-K reports Item 1.01: entry into a material definitive agreement — specifically a first amendment to the BANA Credit Facility that temporarily changes the Aggregate Commitments for a defined period. The filing does not show why the company acted.