[Form 4] NEW MOUNTAIN FINANCE CORPORATION Insider Trading Activity

Rhea-AI Filing Summary

Kris Corbett, identified as an officer (CFO and Treasurer) of New Mountain Finance Corp (NMFC), filed a Form 4 reporting an acquisition of common stock on 08/07/2025. The filing reports the purchase of 750 shares at a price of $10.1363 per share, with 9,750 shares reported as beneficially owned following the transaction. The ownership is stated as indirect, held through the Corbett Living Trust, for which Mr. Corbett serves as trustee.

The Form 4 is signed by Mr. Corbett on 08/11/2025 and lists his address as c/o New Mountain Capital, L.L.C., 1633 Broadway, 48th Floor, New York, NY 10019. The filing shows transaction code P for the reported activity and includes an explanation that the shares are held indirectly by trust. No derivative transactions are reported on this form.

Insights

Securities Analyst

TL;DR: Small insider purchase by the CFO; likely immaterial to valuation but signals personal buy-in.

The filing shows a modest acquisition of 750 NMFC shares at $10.1363, increasing reported beneficial ownership to 9,750 shares held indirectly through a trust. For most publicly traded funds, this size of purchase is unlikely to move market perception materially or affect valuation metrics. It does, however, represent a direct equity purchase by a senior officer, which market participants sometimes view as a modest alignment of interests. The form does not report any derivative activity or other offsetting disposals.

Corporate Governance Expert

TL;DR: Routine insider disclosure; indirect trust ownership and trustee status are clearly documented.

The Form 4 cleanly documents Mr. Corbett's role as trustee of the Corbett Living Trust and clarifies that beneficial ownership is indirect. The filing is timely and signed, meeting disclosure requirements. There is no indication of unusual compensation-related transfers, options exercises, or complex derivative arrangements on this filing. From a governance and compliance perspective, the report appears complete for the single non-derivative purchase disclosed.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Corbett Kris

(Last) (First) (Middle)

C/O NEW MOUNTAIN CAPITAL, L.L.C.

1633 BROADWAY, 48TH FLOOR

(Street)

NEW YORK NY 10019

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
New Mountain Finance Corp [ NMFC ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	CFO and Treasurer

3. Date of Earliest Transaction (Month/Day/Year)
08/07/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/07/2025		P		750	A	$10.1363	9,750	I	By Trust(1)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Mr. Corbett serves as trustee of Corbett Living Trust, and holds all shares indirectly through the trust.

	/s/ Kris Corbett	08/11/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.