New Mountain Finance (NMFC) - 2023 Q3 - Quarterly Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ý Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 For the Quarterly Period Ended September 30, 2023 o Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Commission Exact name of registrant as specified in its charter, address of principal executive I.R.S. Employer File Number offices, telephone numbers and states or other jurisdictions of incorporati ...