New Mountain Finance (NMFC) EVP reports 49,750-share purchase

Rhea-AI Filing Summary

Adam B. Weinstein, EVP, CAO and Director of New Mountain Finance Corp (NMFC), reported an insider purchase of 49,750 shares of NMFC common stock on 09/15/2025 at a reported price of $10.0267 per share (Transaction Code P). After the reported transaction Mr. Weinstein is shown as beneficially owning 652,490.08 shares (direct ownership). The filing states that the total includes shares acquired under the issuer's dividend reinvestment plan since his prior Form 4 filed on November 6, 2024. The Form 4 is signed by Mr. Weinstein on 09/16/2025.

Positive

• Insider purchase of 49,750 shares reported, showing direct acquisition activity
• Disclosure includes dividend reinvestment plan accumulation since prior Form 4 (11/06/2024), improving transparency
• Form is properly signed by the reporting person (dated 09/16/2025)

Negative

• None.

Insights

Financial Analyst

TL;DR: Executive made a direct purchase of 49,750 NMFC shares; transaction size appears modest relative to total issuer market but shows management participation.

The Form 4 documents a straightforward open-market purchase (code P) of 49,750 shares at $10.0267 on 09/15/2025, increasing Mr. Weinstein's direct beneficial ownership to 652,490.08 shares. The filing also notes accumulation via the dividend reinvestment plan since his prior report on 11/06/2024. From a reporting and liquidity perspective, this is a clear, single-day acquisition with no derivatives, pledges, or dispositions reported. The direct ownership designation simplifies assessment of voting and economic exposure.

Corporate Governance Expert

TL;DR: Director/officer purchase documented; disclosure is complete for the reported transaction and indicates continued participation in the dividend reinvestment plan.

The Form 4 identifies Mr. Weinstein as both an officer (EVP, CAO) and director and discloses a direct purchase of 49,750 shares on 09/15/2025. The explanation clarifies that shares from the dividend reinvestment plan were included since his last Form 4 (11/06/2024), which supports transparency about incremental accumulation. The filing is signed and dated 09/16/2025, fulfilling signature and reporting formality requirements. There are no amendments, derivative holdings, or joint filers noted.

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).

1. Name and Address of Reporting Person^*

Weinstein Adam B.

(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)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP, CAO and Director

3. Date of Earliest Transaction (Month/Day/Year)
09/15/2025

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	09/15/2025		P		49,750	A	$10.0267	652,490.08(1)	D

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. Includes shares acquired under the New Mountain Finance Corporation dividend reinvestment plan since the filing of Mr. Weinstein's previous beneficial ownership report on Form 4 on November 6, 2024.

	/s/ Adam Weinstein	09/16/2025
	** 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.

FAQ

Who filed the Form 4 for NMFC and what is their role?

Adam B. Weinstein, EVP, CAO and Director of New Mountain Finance Corp (NMFC), filed the Form 4.

What transaction was reported on the NMFC Form 4 dated 09/15/2025?

The Form 4 reports a purchase of 49,750 shares of NMFC common stock on 09/15/2025 at $10.0267 per share (Transaction Code P).

How many NMFC shares does the reporting person beneficially own after the transaction?

The filing shows beneficial ownership of 652,490.08 shares following the reported transaction, held directly.

Does the Form 4 mention dividend reinvestment activity?

Yes. The filing states the total beneficial ownership includes shares acquired under the dividend reinvestment plan since the prior Form 4 filed on 11/06/2024.

Was the Form 4 signed and when?

Yes. The Form 4 is signed by Adam Weinstein and dated 09/16/2025.