New Mountain Finance Corp (NMFC) insider trading
Every open-market stock purchase and sale by New Mountain Finance Corp executives, directors, large shareholders and members of Congress, from SEC Form 4 filings. Sector: Other.
Insider activity at a glance
- Insiders bought $12.6M over the last 12 months (8 buys).
- Insiders sold $612K over the last 12 months (1 sale).
- Last insider buy: Adam B. Weinstein (C-suite exec), $98.2K, 7 months ago.
Last 12 months: insiders bought $12.6M (8 buys) and sold $612K (1 sale). Last close $6.72 on Oct 22, 2026.
Recent NMFC insider trades
| Date | Insider | Trade | Value |
|---|---|---|---|
| Jun 15, 2026 | John P Malfettone (Director) | Sold | $612K |
| Jun 10, 2026 | John R Kline (CEO) | Bought (not open market) | — |
| Mar 17, 2026 | Adam B. Weinstein (C-suite exec) | Bought | $98.2K |
| Mar 11, 2026 | Steven B Klinsky (10% owner) | Bought | $1.5M |
| Mar 11, 2026 | Steven B Klinsky (10% owner) | Bought | $741K |
| Mar 10, 2026 | Steven B Klinsky (10% owner) | Bought | $1.2M |
| Mar 10, 2026 | Steven B Klinsky (10% owner) | Bought | $600K |
| Mar 5, 2026 | Steven B Klinsky (10% owner) | Bought | $1.3M |
| Mar 5, 2026 | Steven B Klinsky (10% owner) | Bought | $642K |
| Mar 4, 2026 | Steven B Klinsky (10% owner) | Bought | $1M |
| Mar 4, 2026 | Steven B Klinsky (10% owner) | Bought | $509K |
| Mar 3, 2026 | Steven B Klinsky (10% owner) | Bought | $1.3M |
| Mar 3, 2026 | Steven B Klinsky (10% owner) | Bought | $663K |
| Mar 3, 2026 | David Ogens (Director) | Bought | $79.5K |
| Mar 3, 2026 | David Ogens (Director) | Bought | $18.9K |
| Mar 2, 2026 | Steven B Klinsky (Director) | Bought | $969K |
| Mar 2, 2026 | Steven B Klinsky (Director) | Bought | $485K |
| Mar 2, 2026 | Adam B. Weinstein (C-suite exec) | Bought | $25.6K |
| Feb 27, 2026 | Steven B Klinsky (Director) | Bought | $708K |
| Feb 27, 2026 | Steven B Klinsky (Director) | Bought | $354K |
| Feb 27, 2026 | Adam B. Weinstein (C-suite exec) | Bought | $298K |
| Feb 27, 2026 | Laura C. Holson Boswerger (COO) | Bought | $96.8K |
Who's trading NMFC
- John P Malfettone, Director: sold $612K (1 sale), last Jun 15, 2026
- John R Kline, CEO: other filings, last Jun 10, 2026
- Adam B. Weinstein, C-suite exec: bought $422K (3 buys), last Mar 17, 2026
- Steven B Klinsky, Director: bought $12M (14 buys), last Mar 11, 2026
- David Ogens, Director: bought $98.4K (2 buys), last Mar 3, 2026
- Laura C. Holson Boswerger, COO: bought $96.8K (1 buy), last Feb 27, 2026
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