NMFC
insider transactionsNew Mountain Finance Corp — buys & sells by directors, officers and 10% owners A shareholder owning more than 10% of the company. Must report trades, but usually a weaker signal than an officer or director. (SEC Form 4).
Cluster buy signal: Multiple insiders at the same company buying around the same time — often a stronger signal than a single buy. 4 different insiders made open-market purchases in the last 365 days, totalling $12.6M.
Net shares · 365d
+1.5M
1.6M buy · 77.5K sell
Net value · 365d
$12.0M
$12.6M in · $611.7K out
Sentiment · 365d
Net buying
95% buying · 5% selling
Open-market trades · 365d
21
1.6M buy · 77.5K sell
Net buy / sell volume
Not enough data to chart yet.
Tap or hover the chart for daily net volume. Green = net buying, red = net selling.
All transactions
-
Sell·S
Director
$611.7K
77.5K sh · $7.89
Own -100%
-
Buy·P
EVP, CAO and Director
$98.2K
12.9K sh · $7.61
Own +2%
-
Buy·P
Director, 10% Owner
$1.5M
184.2K sh · $8.05
Own +4%
-
Buy·P
Director, 10% Owner
$741.2K
92.1K sh · $8.05
Own +7%
-
Buy·P
Director, 10% Owner
$1.2M
149.2K sh · $8.05
Own +3%
-
Buy·P
Director, 10% Owner
$600.4K
74.6K sh · $8.05
Own +6%
-
Buy·P
Director, 10% Owner
$1.3M
158.6K sh · $8.10
Own +3%
-
Buy·P
Director, 10% Owner
$642.3K
79.3K sh · $8.10
Own +7%
-
Buy·P
Director, 10% Owner
$1.0M
124.6K sh · $8.17
Own +3%
-
Buy·P
Director, 10% Owner
$508.8K
62.3K sh · $8.17
Own +5%
-
Buy·P
Director
$18.9K
2.4K sh · $7.86
Own +1%
-
Buy·P
Director
$79.5K
10.1K sh · $7.87
Own +4%
-
Buy·P
Director, 10% Owner
$1.3M
167.0K sh · $7.94
Own +4%
-
Buy·P
Director, 10% Owner
$663.2K
83.5K sh · $7.94
Own +8%
-
Buy·P
EVP, CAO and Director
$25.6K
3.3K sh · $7.73
Own +0%
-
Buy·P
Director
$969.1K
124.5K sh · $7.79
Own +3%
-
Buy·P
Director
$484.6K
62.2K sh · $7.79
Own +6%
-
Buy·P
$96.8K
12.5K sh · $7.74
Own +18%
-
Buy·P
EVP, CAO and Director
$298.1K
38.4K sh · $7.76
Own +6%
-
Buy·P
Director
$707.7K
92.0K sh · $7.69
Own +2%
-
Buy·P
Director
$353.9K
46.0K sh · $7.69
Own +5%
| Date▾ | Insider | Type | Shares | Value |
|---|---|---|---|---|
| Jun 15, 2026 | John P Malfettone | Sell S | 77.5K | $611.7K |
| Mar 17, 2026 | Adam B. Weinstein | Buy P | 12.9K | $98.2K |
| Mar 11, 2026 | Steven B Klinsky | Buy P | 184.2K | $1.5M |
| Mar 11, 2026 | Steven B Klinsky | Buy P | 92.1K | $741.2K |
| Mar 10, 2026 | Steven B Klinsky | Buy P | 149.2K | $1.2M |
| Mar 10, 2026 | Steven B Klinsky | Buy P | 74.6K | $600.4K |
| Mar 5, 2026 | Steven B Klinsky | Buy P | 158.6K | $1.3M |
| Mar 5, 2026 | Steven B Klinsky | Buy P | 79.3K | $642.3K |
| Mar 4, 2026 | Steven B Klinsky | Buy P | 124.6K | $1.0M |
| Mar 4, 2026 | Steven B Klinsky | Buy P | 62.3K | $508.8K |
| Mar 3, 2026 | David Ogens | Buy P | 2.4K | $18.9K |
| Mar 3, 2026 | David Ogens | Buy P | 10.1K | $79.5K |
| Mar 3, 2026 | Steven B Klinsky | Buy P | 167.0K | $1.3M |
| Mar 3, 2026 | Steven B Klinsky | Buy P | 83.5K | $663.2K |
| Mar 2, 2026 | Adam B. Weinstein | Buy P | 3.3K | $25.6K |
| Mar 2, 2026 | Steven B Klinsky | Buy P | 124.5K | $969.1K |
| Mar 2, 2026 | Steven B Klinsky | Buy P | 62.2K | $484.6K |
| Feb 27, 2026 | Laura C. Holson Boswerger | Buy P | 12.5K | $96.8K |
| Feb 27, 2026 | Adam B. Weinstein | Buy P | 38.4K | $298.1K |
| Feb 27, 2026 | Steven B Klinsky | Buy P | 92.0K | $707.7K |
| Feb 27, 2026 | Steven B Klinsky | Buy P | 46.0K | $353.9K |
About NMFC insider trading
This page tracks insider transactions for New Mountain Finance Corp (NMFC) reported to the U.S. Securities and Exchange Commission on Form 4. Corporate insiders — directors, executive officers and beneficial owners of more than 10% of the stock — must disclose their trades within two business days. Open-market purchases (code P) and sales (code S) made at the insider's discretion are the most-watched opportunistic signals, while awards (A), option exercises (M) and tax-withholding (F) reflect compensation rather than conviction. Trades marked 10b5-1 were made under a pre-arranged plan and are considered routine. A cluster buy — several insiders buying within a short window — is historically a stronger bullish indicator than any single trade.