New Mountain Finance Corp — Director's Dealing 2025

Sep 18, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: New Mountain Finance Corp (NMFC)
CIK: 0001496099
Period of Report: 2025-09-16

Reporting Person: KLINSKY STEVEN B (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-09-16	Common Stock	P	21339	$9.7813	Acquired	965111.00	Indirect
2025-09-16	Common Stock	P	85352	$9.7813	Acquired	4370857.00	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	109251.61	Direct
Common Stock	1020267.00	Indirect
Common Stock	11191.00	Indirect
Common Stock	11175.00	Indirect
Common Stock	11175.00	Indirect
Common Stock	11175.00	Indirect
Common Stock	3457379.00	Indirect
Common Stock	855000.00	Indirect

Footnotes

F1: Includes shares previously acquired under the New Mountain Finance Corporation dividend reinvestment plan.

F2: 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.

F3: 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.

F4: 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.

F5: 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.

F6: 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.

F7: 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.

F8: 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.

F9: 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.

F10: 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.