NMFC

New Mountain Finance Corporation$7.08+0.07 (+1.07%)

Prev Close$7.01·MCap$665.9M·P/E60.75·Vol385.9K·Yield0.17%

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Buys (12M)

$10.80M

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Sells (12M)

$611.7K

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Net Activity

Net Buyer

$10.19M

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Active Insiders

last 12 mo

Over the past 12 months, insider activity at New Mountain Finance Corporation (NMFC) has been dominated by buying, with 10 insider purchases totaling $10.80M and 1 insider sale totaling $611.7K. The most recent insider transaction was by Malfettone John P (director), who sold $611.7K worth of shares on Jun 16, 2026. New Mountain Finance Corporation operates in the Financial Services sector, within the Asset Management industry, with a market cap of $665.9M.

NMFC Insider Trading Activity

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Jun 16, 2026	Malfettone John P	director	Sell	77,500	$7.89	$611.7K	0Exit
Mar 18, 2026	Weinstein Adam B.	director, officer: EVP, CAO and Director	Buy	12,900	$7.61	$98.2K	751,756
Mar 12, 2026	KLINSKY STEVEN B	director, 10 percent owner:	Buy	500,000	$8.05	$4.03M	5,370,858
Mar 6, 2026	KLINSKY STEVEN B	director, 10 percent owner:	Buy	237,873	$8.10	$1.93M	5,037,524
Mar 3, 2026	KLINSKY STEVEN B	director	Buy	324,727	$7.75	$2.52M	4,587,341
Mar 3, 2026	Weinstein Adam B.	director, officer: EVP, CAO and Director	Buy	41,707	$7.76	$323.7K	738,856
Mar 2, 2026	Boswerger Laura C. Holson	officer: COO	Buy	12,500	$7.74	$96.8K	81,030
Sep 16, 2025	KLINSKY STEVEN B	Director	Buy	106,691	$9.78	$1.04M	0
Sep 15, 2025	Weinstein Adam B.	EVP, CAO and Director	Buy	49,750	$10.03	$498.8K	0
Aug 11, 2025	Ogens David	Director	Buy	26,000	$10.23	$266.0K	0
Aug 7, 2025	Corbett Kris	CFO and Treasurer	Buy	750	$10.14	$7.6K	0
Mar 6, 2025	Ogens David	Director	Buy	10,000	$11.31	$113.1K	0
Mar 4, 2025	Ogens David	Director	Buy	10,000	$11.38	$113.8K	0

NMFC Insider Buying Activity

The following table shows recent insider purchases of New Mountain Finance Corporation (NMFC) stock reported via SEC Form 4 filings.

Date	Insider	Role	Type	Shares	Avg Price	Value	Shares After
Mar 18, 2026	Weinstein Adam B.	director, officer: EVP, CAO and Director	Buy	12,900	$7.61	$98.2K	751,756
Mar 12, 2026	KLINSKY STEVEN B	director, 10 percent owner:	Buy	500,000	$8.05	$4.03M	5,370,858
Mar 6, 2026	KLINSKY STEVEN B	director, 10 percent owner:	Buy	237,873	$8.10	$1.93M	5,037,524
Mar 3, 2026	KLINSKY STEVEN B	director	Buy	324,727	$7.75	$2.52M	4,587,341
Mar 3, 2026	Weinstein Adam B.	director, officer: EVP, CAO and Director	Buy	41,707	$7.76	$323.7K	738,856
Mar 2, 2026	Boswerger Laura C. Holson	officer: COO	Buy	12,500	$7.74	$96.8K	81,030
Sep 16, 2025	KLINSKY STEVEN B	Director	Buy	106,691	$9.78	$1.04M	0
Sep 15, 2025	Weinstein Adam B.	EVP, CAO and Director	Buy	49,750	$10.03	$498.8K	0
Aug 11, 2025	Ogens David	Director	Buy	26,000	$10.23	$266.0K	0
Aug 7, 2025	Corbett Kris	CFO and Treasurer	Buy	750	$10.14	$7.6K	0
Mar 6, 2025	Ogens David	Director	Buy	10,000	$11.31	$113.1K	0
Mar 4, 2025	Ogens David	Director	Buy	10,000	$11.38	$113.8K	0