Director-linked trusts add NMFC stock in New Mountain Finance (NMFC) Form 4

Rhea-AI Filing Summary

New Mountain Finance Corp director Steven B. Klinsky reported net open-market purchases of 324,727 shares of common stock on February 27 and March 2. The buy transactions were executed at per-share prices of $7.6924 and $7.7852.

The purchases were made indirectly through multiple trusts and an immediate family member, which directly hold the shares. The filing states that Klinsky disclaims beneficial ownership of these trust-held shares except to the extent of his pecuniary interest. Several additional entries update direct and indirect share balances without new buy or sell codes.

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

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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^*

KLINSKY STEVEN 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
	Officer (give title below)		Other (specify below)

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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								116,823.91(1)	D
Common Stock	02/27/2026		P		46,001	A	$7.6924	1,011,112	I	See Note(2)
Common Stock	03/02/2026		P		62,242	A	$7.7852	1,073,354	I	See Note(2)
Common Stock								1,020,267	I	See Note(3)
Common Stock								11,191	I	See Note(4)
Common Stock								11,175	I	See Note(5)
Common Stock								11,175	I	See Note(6)
Common Stock								11,175	I	See Note(7)
Common Stock	02/27/2026		P		92,001	A	$7.6924	4,462,858	I	See Note(8)
Common Stock	03/02/2026		P		124,483	A	$7.7852	4,587,341	I	See Note(8)
Common Stock								3,457,379	I	See Note(9)
Common Stock								855,000	I	See Note(10)

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 previously acquired under the New Mountain Finance Corporation dividend reinvestment plan.

2. The Steven B. Klinsky 2008 Long Term Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

3. The Steven B. Klinsky Non-GST Exempt Trust directly owns these shares. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

4. Includes (i) 16 shares held directly and (ii) 11,175 shares held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

5. Shares are held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

6. Shares are held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

7. Shares are held indirectly through a trust by an immediate family member of the reporting person. The reporting person disclaims beneficial ownership of these shares except to the extent of his pecuniary interest therein.

8. The Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 1") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 1 except to the extent of his pecuniary interest therein.

9. The Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 2") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 2 except to the extent of his pecuniary interest therein.

10. The Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 3") directly owns these shares. The reporting person disclaims beneficial ownership held by 2024 Trust 3 except to the extent of his pecuniary interest therein.

	Steven B. Klinsky	03/03/2026
	** 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.

FAQ

What insider transactions did NMFC report for Steven B. Klinsky?

The filing shows entities associated with director Steven B. Klinsky bought 324,727 New Mountain Finance Corp common shares. These open-market purchases occurred on February 27 and March 2 at prices around $7.69 and $7.79 per share, all reported as indirect ownership.

At what prices were the recent NMFC insider share purchases made?

The reported insider-related purchases of New Mountain Finance Corp common stock were executed at $7.6924 and $7.7852 per share. These prices applied to multiple open-market transactions on February 27 and March 2, all reported as indirect holdings through trusts and related parties.

How many NMFC shares did trusts linked to Steven B. Klinsky buy?

Trusts and related entities linked to Steven B. Klinsky purchased a combined 324,727 New Mountain Finance Corp common shares. The transactions were reported as indirect ownership, with Klinsky disclaiming beneficial ownership except for any pecuniary interest in those trust-held shares.

Are the newly purchased NMFC shares held directly by Steven B. Klinsky?

No, the filing indicates the purchased New Mountain Finance Corp shares are held indirectly by several trusts and an immediate family member. Klinsky disclaims beneficial ownership of these positions, other than to the extent of his pecuniary interest in the respective entities holding the shares.

Does the NMFC Form 4 mention a dividend reinvestment plan?

Yes. One footnote states that certain reported holdings include shares previously acquired under the New Mountain Finance Corporation dividend reinvestment plan. This clarifies that part of the position grew through automatic reinvestment of dividends rather than only through recent open-market purchases.