6 insiders reported 32 Form 4 transactions for New Mountain Finance Corp (NMFC) over the past 18 months (most recent 2026-06-16). Recent activity: Malfettone John P (Director) Sell 77,500 shares, Weinstein Adam B. (EVP, CAO and Director) Buy 12,900 shares, KLINSKY STEVEN B (Director) Buy 74,586 shares, KLINSKY STEVEN B (Director) Buy 92,080 shares, KLINSKY STEVEN B (Director) Buy 149,172 shares. Source: SEC Form 4.
| Date | Insider | Title | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-16 | Malfettone John P | Director | Sell | 77,500 | $611,684 |
| 2026-03-18 | Weinstein Adam B. | EVP, CAO and Director | Buy | 12,900 | $98,169 |
| 2026-03-12 | KLINSKY STEVEN B | Director | Buy | 74,586 | $600,417 |
| 2026-03-12 | KLINSKY STEVEN B | Director | Buy | 92,080 | $741,244 |
| 2026-03-12 | KLINSKY STEVEN B | Director | Buy | 149,172 | $1.2M |
| 2026-03-12 | KLINSKY STEVEN B | Director | Buy | 184,162 | $1.5M |
| 2026-03-06 | KLINSKY STEVEN B | Director | Buy | 79,291 | $642,257 |
| 2026-03-06 | KLINSKY STEVEN B | Director | Buy | 158,582 | $1.3M |
| 2026-03-05 | KLINSKY STEVEN B | Director | Buy | 83,498 | $662,974 |
| 2026-03-05 | KLINSKY STEVEN B | Director | Buy | 62,301 | $508,999 |
| 2026-03-05 | KLINSKY STEVEN B | Director | Buy | 166,997 | $1.3M |
| 2026-03-05 | KLINSKY STEVEN B | Director | Buy | 124,604 | $1.0M |
| 2026-03-04 | Ogens David | Director | Buy | 10,100 | $79,487 |
| 2026-03-04 | Ogens David | Director | Buy | 2,400 | $18,864 |
| 2026-03-03 | KLINSKY STEVEN B | Director | Buy | 46,001 | $353,748 |
| 2026-03-03 | KLINSKY STEVEN B | Director | Buy | 62,242 | $484,865 |
| 2026-03-03 | KLINSKY STEVEN B | Director | Buy | 92,001 | $707,488 |
| 2026-03-03 | KLINSKY STEVEN B | Director | Buy | 124,483 | $969,723 |
| 2026-03-03 | Weinstein Adam B. | EVP, CAO and Director | Buy | 38,400 | $297,984 |
| 2026-03-03 | Weinstein Adam B. | EVP, CAO and Director | Buy | 3,307 | $25,563 |
| 2026-03-02 | Boswerger Laura C. Holson | COO | Buy | 12,500 | $96,750 |
| 2025-09-18 | KLINSKY STEVEN B | Director | Buy | 21,339 | $208,695 |
| 2025-09-18 | KLINSKY STEVEN B | Director | Buy | 85,352 | $834,743 |
| 2025-09-16 | Weinstein Adam B. | EVP, CAO and Director | Buy | 49,750 | $498,992 |
| 2025-08-12 | Ogens David | Director | Buy | 18,000 | $184,140 |
Source: SEC Form 4 filings · as of 2026-06-16