John R. Kline - 10 Jun 2026 Form 4 Insider Report for New Mountain Finance Corp (NMFC)

Reporting relationship: CEO, President and Director, Director
Issuer ticker: NMFC
Reported as of: 10 Jun 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 11 Sep 2026, 16:34:11 UTC
Prior SEC filing: 14 Feb 2025
Source filing: View source filing
Reporting owner signature: /s/ John Kline

Key filing fact

John R. Kline filed Form 4 for New Mountain Finance Corp (NMFC) on 11 Sep 2026.

Key facts

This page summarizes John R. Kline's Form 4 filing for New Mountain Finance Corp (NMFC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 11 Sep 2026, 16:34.

Change

Previous filing in this sequence was filed on 14 Feb 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001256029 Primary reporting owner

KLINE JOHN R

Relationship: CEO, President and Director, Director
Address: C/O NEW MOUNTAIN CAPITAL, L.L.C., 1633 BROADWAY, 48TH FLOOR, NEW YORK
Signature: /s/ John Kline
Signature date: 11 Sep 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

NMFC transaction

Common Stock

Will/Inheritance

Transaction value
Shares: +2,000
Change %: +0.52%
Price: $0.000000^*
Shares after: 389,685
Date: 10 Jun 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

Includes shares acquired under the New Mountain Finance Corporation dividend reinvestment plan since the filing of Mr. Kline's previous beneficial ownership report on Form 4 on November 8, 2024.