New Mountain Finance Corp (NMFC) EVP buys 12,900 common shares

Rhea-AI Filing Summary

New Mountain Finance Corp executive Adam B. Weinstein, who serves as EVP, CAO and Director, made an open-market purchase of 12,900 shares of common stock on March 17, 2026 at $7.609 per share. Following this transaction, he directly holds 751,756.32 shares of the company’s common stock, indicating this was a relatively small addition to an already substantial position.

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^*

Weinstein Adam B.

(Last) (First) (Middle)

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

1633 BROADWAY, 48TH FLOOR

(Street)

NEW YORK NEW YORK 10019

(City) (State) (Zip)

UNITED STATES

(Country)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
03/17/2026

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

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

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

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	03/17/2026		P		12,900	A	$7.609	751,756.32	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:

	/s/ Adam B. Weinstein	03/18/2026
	** 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.
* Form 4: SEC 1474 (03-26)

FAQ

What insider transaction did NMFC executive Adam B. Weinstein report?

Adam B. Weinstein reported an open-market purchase of 12,900 shares of New Mountain Finance Corp common stock. The transaction occurred at a price of $7.609 per share, reflecting a direct increase in his equity stake in the company.

At what price did Adam B. Weinstein buy New Mountain Finance (NMFC) shares?

Adam B. Weinstein bought New Mountain Finance Corp common stock at $7.609 per share. This price applied to all 12,900 shares purchased in the reported open-market transaction on March 17, 2026, according to the Form 4 filing data.

How many New Mountain Finance Corp shares does Adam B. Weinstein now own?

After the reported transaction, Adam B. Weinstein directly owns 751,756.32 shares of New Mountain Finance Corp common stock. This total reflects his holdings following the 12,900-share open-market purchase disclosed in the Form 4 insider filing.

Was the NMFC insider transaction an open-market purchase or another type?

The NMFC insider transaction was an open-market purchase of common stock. The Form 4 identifies the transaction code as “P” and describes it as a purchase in an open market or private transaction, confirming it was a straightforward buy rather than an option exercise.

What role does Adam B. Weinstein hold at New Mountain Finance Corp (NMFC)?

Adam B. Weinstein serves as Executive Vice President, Chief Administrative Officer, and Director at New Mountain Finance Corp. His leadership position means his open-market share purchases are closely watched as indicators of management’s alignment with shareholder interests.