Form 4 for NMFC New Mountain Finance Corp

Accepted 2026-03-03 00:00:00 ET · period of report 2026-02-27 · accession 0001580642-26-001367 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
MI	2026-03-03	2026-02-27+	NMFC	KLINSKY STEVEN B	Dir	P - Purchase	$7.75	+324.7K	1.01M	+47%	+$2.52M

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-27	P	A	92,001	$7.69	4,462,858	I See Note	—	—	(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.
2	Common	Common Stock	2026-03-02	P	A	124,483	$7.79	4,587,341	I See Note	—	—	(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.
3	Common	Common Stock	2026-03-02	P	A	62,242	$7.79	1,073,354	I See Note	—	—	(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.
4	Common	Common Stock	2026-02-27	P	A	46,001	$7.69	1,011,112	I See Note	—	—	(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.