UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549 

FORM 8-K 

CURRENT REPORT

Pursuant to Section 13 or 15(d)

of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): December 17, 2025 

New Mountain Private Credit Fund

(Exact name of Registrant as specified in its charter) 

(Registrant’s telephone number, including area code): (212) 720-0300

None

(Former name or former address, if changed since last report) 

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

Securities registered pursuant to Section 12(b) of the Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company x

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐ 

On December 17, 2025, New Mountain Private Credit Fund SPV I, L.L.C., (“NEWCRED SPV”), a wholly owned subsidiary of New Mountain Private Credit Fund (the “Company”), and the Company entered into the Second Amendment (the “Second Amendment”) to the First Amended and Restated Credit Agreement (together with the exhibits and schedules thereto, the “Credit Agreement”) by and among NEWCRED SPV, as borrower, the Company, as equityholder and as collateral manager, the lenders from time to time party thereto, GS ASL LLC, as administrative agent, Goldman Sachs Bank USA, as syndication agent, and Western Alliance Trust Company, N.A., as collateral administrator, collateral agent and collateral custodian. Unless otherwise defined, the terms herein shall have the meaning ascribed to them in the Credit Agreement.

The Second Amendment amended the Credit Agreement to, among other things: (i) extend the Reinvestment Period Date from December 2027 to December 2028; (ii) extend the Facility Maturity Date from December 2029 to December 2030; and (iii) reduce the Spread from S + 2.20% to S + 1.75%. All other terms of the Credit Agreement shall remain in full force and effect.

The foregoing description of the Second Amendment is qualified in its entirety by reference to a copy of the Second Amendment, which will be filed as an exhibit to the Company’s Annual Report on Form 10-K for the fiscal year ending December 31, 2025.

The disclosure set forth above under Item 1.01 is incorporated by reference herein

d) Exhibits.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Company has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. 

Date: December 19, 2025