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): ~~March~~September 3116, 2025

New Mountain Guardian IV BDC, L.L.C.

(Exact name of registrant as specified in its charter)

Delaware

814-01528

88-1377220

(State or other jurisdiction of

incorporation or organization)

(Commission

File Number)

(IRS Employer

Identification Number)

1633 Broadway, 48th Floor, New York, New York		10019
(Address of principal executive offices)		(Zip Code)

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):

☐

Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐

Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐

Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐

Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

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

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
N/A		N/A		N/A

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 ☒

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. ☐

Item 13.0102. ~~Entry~~Unregistered ~~into~~Sale aof ~~Material~~Equity ~~Definitive Agreement~~Securities.

On ~~March~~ 31September 16, 2025, New Mountain Guardian IV ~~Holdings, L.L.C. (“GIV Holdings”), wholly owned subsidiary of New~~ ~~Mountain Guardian IV~~ BDC, L.L.C. (the “Company”) ~~for~~delivered ~~which~~a ~~the~~capital ~~Company~~drawdown isnotice ~~the~~to ~~managing~~its ~~member,~~investors ~~and~~relating ~~the Company entered into an Amendment No. 2 (“Amendment No. 2”)~~ to ~~Loan and Security Agreement (together with~~ the ~~exhibits and~~sale ~~schedules~~of ~~thereto~~6,039,480 of the ~~“Loan~~Company’s ~~Agreement”~~units ~~and~~ (the ~~facility thereunder the~~ “~~Wells Fargo Facility~~Units”) by ~~and~~for ~~among~~an ~~GIV~~aggregate ~~Holdings,~~offering asprice ~~borrower,~~of ~~the Company~~$60, ~~as seller~~394, ~~as equityholder and as collateral manager~~800, ~~Wells~~at ~~Fargo~~a ~~Bank,~~price ~~National~~per Unit ~~Association,~~equal asto ~~the~~$10.00. ~~administrative~~No ~~agent,~~underwriting adiscounts ~~lender,~~or ~~and~~commissions ~~swingline~~have ~~lender,~~been ~~and~~or ~~Western~~will ~~Alliance~~be ~~Trust~~paid ~~Company,~~in ~~N.A.,~~connection aswith the ~~collateral custodian.~~sale ~~Unless~~of ~~otherwise defined,~~ the ~~terms~~Units. ~~herein~~The ~~shall~~sale of ~~have~~ the ~~meaning~~Units ~~ascribed~~is expected to ~~them~~close inon ~~Amendment~~September ~~No.~~30, 22025.

~~Amendment No.~~The 2sale ~~amended~~of the ~~Loan~~Units ~~Agreement~~described ~~to,~~herein ~~among~~was ~~other~~and will ~~things,~~be ~~(i)~~made ~~extend~~pursuant ~~the~~to ~~Revolving~~subscription ~~Period~~agreements ~~End~~entered ~~Date~~into ~~from~~by ~~May~~the ~~21,~~Company ~~2027~~and toits ~~March~~investors. ~~31,~~Under ~~2028; (ii) extend~~ the ~~Facility~~terms ~~Maturity~~of ~~Date~~the ~~from~~subscription ~~May 21~~agreements, investors ~~2029~~are required to ~~March~~fund ~~31,~~drawdowns ~~2030;~~to ~~and~~purchase ~~(iii) reduce~~ the ~~Applicable~~Units ~~Spread~~up ~~used~~ to ~~determine~~ the ~~per~~amount ~~annum~~of ~~interest~~its ~~rate~~capital ~~applicable~~commitment toon ~~2.05%~~an ~~from~~as-needed ~~2.30%.~~basis ~~All~~with ~~other~~a minimum ~~terms~~ of ~~the~~10 ~~Loan~~business ~~Agreement~~days’ ~~shall~~prior ~~remain~~notice into ~~full force and effect~~investors.

The ~~foregoing~~ ~~description~~offer ofand ~~Amendment~~sale ~~No.~~of 2the Units iswas ~~qualified~~exempt infrom ~~its~~the ~~entirety~~registration byrequirements ~~reference~~of tothe aSecurities ~~copy~~Act of ~~Amendment~~ ~~No. 2~~1933, ~~which will be filed~~ as anamended, ~~exhibit~~pursuant to ~~the~~Section ~~Company’s~~4(a)(2) ~~Quarterly~~thereof ~~Report on Form 10-Q for the fiscal quarter ending~~and ~~March~~Regulation ~~31,~~D ~~2025~~thereunder.

Item 29.~~03.~~01 ~~Creation of a Direct~~ Financial ~~Obligation~~Statements orand ~~an Obligation under an Off-Balance Sheet Arrangement of a Registrant.~~Exhibits

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

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit Number		Description
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

Exhibit No.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the ~~registrant~~Registrant has duly caused this ~~report~~Current Report on Form 8-K to be signed on its behalf by the undersigned hereunto duly authorized.

	NEW MOUNTAIN Guardian IV BDC, L.L.C.
Date: April 2, 2025	By:	/s/ Eric Kane
Date: September 18, 2025	By:	/s/ Eric Kane
		Name:	Eric Kane
		Title:	Corporate Secretary

Filing Compare · New Mountain Guardian IV BDC, L.L.C.