STOCK TITAN

New Mountain Finance (NMFC) investors lift stake above 11%

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Form Type
SCHEDULE 13D/A

Rhea-AI Filing Summary

New Mountain Finance Corporation received an updated Schedule 13D/A from long-time investor Steven B. Klinsky, several related trusts, and Adam B. Weinstein, reflecting increased share ownership. Klinsky now beneficially owns 11,154,880.91 shares of common stock, representing 11.01% of the outstanding class, through direct holdings and multiple trusts.

From November 26, 2024 through March 2, 2026, Klinsky and his related trusts acquired an additional 745,622.68 shares, while Weinstein bought 186,321.82 shares, using personal funds via open-market purchases and the company’s dividend reinvestment plan. The filing states they bought the shares because they viewed them as an attractive investment opportunity.

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FAQ

What does the new Schedule 13D/A filing reveal about NMFC ownership?

The filing shows increased ownership in New Mountain Finance Corporation. Steven B. Klinsky now beneficially owns 11,154,880.91 shares, or 11.01% of the common stock, reflecting additional purchases by him, related trusts, and Adam B. Weinstein.

How many NMFC shares did Steven B. Klinsky and his trusts recently acquire?

Between November 26, 2024 and March 2, 2026, Steven B. Klinsky and his related trusts acquired 745,622.68 shares of New Mountain Finance Corporation. These shares were bought in open-market transactions and through the company’s dividend reinvestment plan using his personal funds.

What is Adam B. Weinstein’s stake in New Mountain Finance Corporation (NMFC)?

Adam B. Weinstein beneficially owns 738,856.32 shares of New Mountain Finance Corporation, representing about 0.74% of the common stock. He acquired 186,321.82 shares from November 26, 2024 to March 2, 2026 with personal funds via open-market and dividend reinvestment purchases.

Why did the reporting persons buy additional NMFC shares?

The reporting persons state they purchased New Mountain Finance Corporation common stock because they believed it represented an attractive investment opportunity when bought. This applies to shares acquired both in open-market trades and through the dividend reinvestment plan during the disclosed period.

What recent NMFC share purchases are detailed in the Schedule 13D/A?

The filing lists late-February and early-March 2026 purchases, including 38,400 NMFC shares by Adam Weinstein at an average $7.764 on February 27 and 92,001 shares by 2024 Trust 1 at $7.6924, plus additional buys on March 2 at prices around $7.78.

How are Steven B. Klinsky’s NMFC shares held across different trusts?

Klinsky’s beneficial holdings span several trusts, including 1,073,354 shares in the 2008 Long Term Trust, 1,020,267 shares in the Non-GST Exempt Trust, and a combined 8,899,720 shares in three 2024 Revocable Trusts, with him serving as trustee for the 2024 trusts.





Steven B. Klinsky
New Mountain Finance Corporation, 1633 Broadway, 48th Floor
New York, NY, 10019
(212) 720-0300

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
02/27/2026

(Date of Event Which Requires Filing of This Statement)


If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).






SCHEDULE 13D




Comment for Type of Reporting Person:
* Of the shares shown above, the Steven B. Klinsky 2008 Long Term Trust holds 1,073,354.00 shares, the Steven B. Klinsky Non-GST Exempt Trust holds 1,020,267.00 shares, the Steven B, Klinsky 2024 Revocable Trust ("2024 Trust 1") holds 4,587,341.00 shares, the Steven B, Klinsky 2024 Revocable Trust ("2024 Trust 2") holds 3,457,379.00 shares, and the Steven B. Klinsky 2024 Revocable Trust ("2024 Trust 3") holds 855,000.00 shares. Mr. Klinsky is the sole trustee of 2024 Trust 1, 2024 Trust 2 and 2024 Trust 3. Of the shares shown above, an immediate family member of the Reporting Persons holds 16.00 shares directly, and immediate family members of the Reporting Persons collectively hold 44,700 shares indirectly through a trust, which the Reporting Persons disclaim beneficial ownership of except to the extent of their pecuniary interest therein.


SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D






SCHEDULE 13D


KLINSKY STEVEN B
Signature:Steven B. Klinsky
Name/Title:Steven B. Klinsky
Date:03/03/2026
STEVEN B. KLINSKY 2008 LONG TERM TRUST
Signature:/s/ Steven B. Klinsky
Name/Title:Steven B. Klinsky, Authorized Person
Date:03/03/2026
STEVEN B. KLINSKY NON-GST EXEMPT TRUST
Signature:/s/ Steven B. Klinsky
Name/Title:Steven B. Klinsky, Authorized Person
Date:03/03/2026
STEVEN B. KLINSKY 2024 REVOCABLE TRUST (2024 TRUST 1)
Signature:/s/ Steven B. Klinsky
Name/Title:Steven B. Klinsky, Authorized Person
Date:03/03/2026
STEVEN B. KLINSKY 2024 REVOCABLE TRUST (2024 TRUST 2)
Signature:/s/ Steven B. Klinsky
Name/Title:Steven B. Klinsky, Authorized Person
Date:03/03/2026
STEVEN B. KLINSKY 2024 REVOCABLE TRUST (2024 TRUST 3)
Signature:/s/ Steven B. Klinsky
Name/Title:Steven B. Klinsky, Authorized Person
Date:03/03/2026
Weinstein Adam B.
Signature:/s/ Adam B. Weinstein
Name/Title:Adam B. Weinstein
Date:03/03/2026