NMFC insider transaction filings
New Mountain Finance Corp — 36 most recent Form 4 filings from SEC EDGAR, normalized by FilingPulse. Latest filing: 2026-09-11. Screen NMFC transaction legs live →
Insider transaction summary — last 90 days
2026-06-24 to 2026-09-22, from the filings listed below: 1 Form 4 filing. Counts and totals are arithmetic on values as filed — descriptive data, not a recommendation.
- Open-market purchases (code P, non-derivative): none reported.
- Open-market sales (code S, non-derivative): none reported.
- Other reported legs (grants, option exercises, tax withholding, gifts, derivative-security transactions, …): 1.
By insider — same window
Open-market purchase/sale legs on non-derivative securities, grouped by the filing's reporting owner(s); joint filings appear once. Dollar totals cover priced legs only (shares × price as filed). Ordered by priced transaction value, largest first.
| Insider | Filings | Purchases (P) | Sales (S) | Other legs |
|---|---|---|---|---|
| KLINE JOHN R — CEO, President and Director, Director | 1 | — | — | 1 |
Recent Form 4 filings — New Mountain Finance Corp
| Filed | Form | Insider | Reported transactions | Source |
|---|---|---|---|---|
| 2026-09-11 | 4 | KLINE JOHN R — CEO, President and Director, Director | Code (W): 2,000 @ $0 | EDGAR |
| 2026-06-16 | 4 | Malfettone John P — Director | Sale (S): 77,500 @ $7.89 | EDGAR |
| 2026-03-18 | 4 | Weinstein Adam B. — EVP, CAO and Director, Director | Purchase (P): 12,900 @ $7.61 | EDGAR |
| 2026-03-12 | 4 | KLINSKY STEVEN B — Director, 10% owner | Purchase (P): 74,586 @ $8.05 · Purchase (P): 92,080 @ $8.05 · Purchase (P): 149,172 @ $8.05 · Purchase (P): 184,162 @ $8.05 | EDGAR |
| 2026-03-06 | 4 | KLINSKY STEVEN B — Director, 10% owner | Purchase (P): 79,291 @ $8.10 · Purchase (P): 158,582 @ $8.10 | EDGAR |
| 2026-03-05 | 4 | KLINSKY STEVEN B — Director, 10% owner | Purchase (P): 83,498 @ $7.94 · Purchase (P): 62,301 @ $8.17 · Purchase (P): 166,997 @ $7.94 · Purchase (P): 124,604 @ $8.17 | EDGAR |
| 2026-03-04 | 4 | Ogens David — Director | Purchase (P): 10,100 @ $7.87 · Purchase (P): 2,400 @ $7.86 | EDGAR |
| 2026-03-03 | 4 | Weinstein Adam B. — EVP, CAO and Director, Director | Purchase (P): 38,400 @ $7.76 · Purchase (P): 3,307 @ $7.73 | EDGAR |
| 2026-03-03 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 46,001 @ $7.69 · Purchase (P): 62,242 @ $7.79 · Purchase (P): 92,001 @ $7.69 · Purchase (P): 124,483 @ $7.79 | EDGAR |
| 2026-03-02 | 4 | Boswerger Laura C. Holson — COO | Purchase (P): 12,500 @ $7.74 | EDGAR |
| 2025-09-18 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 21,339 @ $9.78 · Purchase (P): 85,352 @ $9.78 | EDGAR |
| 2025-09-16 | 4 | Weinstein Adam B. — EVP, CAO and Director, Director | Purchase (P): 49,750 @ $10.03 | EDGAR |
| 2025-08-12 | 4 | Ogens David — Director | Purchase (P): 18,000 @ $10.23 · Purchase (P): 4,000 @ $10.26 · Purchase (P): 4,000 @ $10.22 | EDGAR |
| 2025-08-11 | 4 | Corbett Kris — CFO and Treasurer | Purchase (P): 750 @ $10.14 | EDGAR |
| 2025-03-10 | 4 | Ogens David — Director | Purchase (P): 5,000 @ $11.32 · Purchase (P): 5,000 @ $11.30 | EDGAR |
| 2025-03-06 | 4 | Ogens David — Director | Purchase (P): 5,000 @ $11.44 · Purchase (P): 5,000 @ $11.31 | EDGAR |
| 2024-12-19 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 24,093 @ $11.28 · Purchase (P): 48,187 @ $11.28 | EDGAR |
| 2024-12-17 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 3,017 @ $11.74 · Purchase (P): 30,484 @ $11.74 · Purchase (P): 6,034 @ $11.74 · Purchase (P): 60,967 @ $11.74 | EDGAR |
| 2024-12-13 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 6,607 @ $11.74 · Purchase (P): 5.88 @ $11.74 · Purchase (P): 13,213 @ $11.74 · Purchase (P): 11,771 @ $11.74 | EDGAR |
| 2024-12-09 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 5,542 @ $11.74 · Purchase (P): 5,798 @ $11.74 · Purchase (P): 11,082 @ $11.74 · Purchase (P): 11,596 @ $11.74 | EDGAR |
| 2024-12-05 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 2,067 @ $11.75 · Purchase (P): 4,133 @ $11.75 | EDGAR |
| 2024-11-29 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 800 @ $11.74 · Purchase (P): 1,600 @ $11.74 | EDGAR |
| 2024-11-26 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 12,241 @ $11.71 · Purchase (P): 24,480 @ $11.71 | EDGAR |
| 2024-11-22 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 11,622 @ $11.51 · Purchase (P): 18,059 @ $11.59 · Purchase (P): 23,245 @ $11.51 · Purchase (P): 36,118 @ $11.59 | EDGAR |
| 2024-11-20 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 15,154 @ $11.52 · Purchase (P): 18,270 @ $11.63 · Purchase (P): 30,307 @ $11.52 · Purchase (P): 36,541 @ $11.63 | EDGAR |
| 2024-11-18 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 15,083 @ $11.55 · Purchase (P): 17,253 @ $11.56 · Purchase (P): 30,167 @ $11.55 · Purchase (P): 34,505 @ $11.56 | EDGAR |
| 2024-11-14 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 19,054 @ $11.41 · Purchase (P): 31,730 @ $11.60 · Purchase (P): 38,108 @ $11.41 · Purchase (P): 63,461 @ $11.60 | EDGAR |
| 2024-11-12 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 77,850 @ $11.26 · Purchase (P): 24,954 @ $11.36 · Purchase (P): 38,925 @ $11.26 · Purchase (P): 49,907 @ $11.36 | EDGAR |
| 2024-11-08 | 4 | Kline John — CEO, President, and Director, Director | Purchase (P): 2,037 @ $10.91 · Purchase (P): 2,373 @ $10.93 · Purchase (P): 29,713 @ $10.92 · Purchase (P): 300 @ $10.90 · Purchase (P): 1,511 @ $10.93 · Purchase (P): 5,616 @ $10.91 | EDGAR |
| 2024-11-08 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 50,203 @ $10.87 · Purchase (P): 19,953 @ $11.09 · Purchase (P): 100,406 @ $10.87 · Purchase (P): 39,907 @ $11.09 | EDGAR |
| 2024-11-06 | 4 | Weinstein Adam B. — EVP, CAO and Director, Director | Purchase (P): 45,000 @ $10.87 | EDGAR |
| 2024-11-06 | 4 | Corbett Kris — CFO and Treasurer | Purchase (P): 2,500 @ $10.85 | EDGAR |
| 2024-11-06 | 4 | KLINSKY STEVEN B — Director | Purchase (P): 11,195 @ $10.80 · Purchase (P): 46,690 @ $10.68 · Purchase (P): 22,391 @ $10.80 · Purchase (P): 93,381 @ $10.68 | EDGAR |
| 2024-08-07 | 4 | Corbett Kris — CFO and Treasurer | Purchase (P): 6,500 @ $11.72 | EDGAR |
| 2024-06-11 | 4 | Ogens David — Director | Purchase (P): 3,500 @ $12.62 | EDGAR |
| 2024-04-24 | 4 | Kline John — CEO, President, and Director, Director | Sale (S): 9 @ $12.55 · Sale (S): 1,229 @ $12.55 | EDGAR |
Recent 8-K events — New Mountain Finance Corp
| Filed | Form | Items reported | Source |
|---|---|---|---|
| 2026-08-03 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-06-18 | 8-K | 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 8.01 — Other Events | EDGAR |
| 2026-06-05 | 8-K | 8.01 — Other Events | EDGAR |
| 2026-05-15 | 8-K | 5.07 — Submission of Matters to a Vote of Security Holders 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-05-04 | 8-K | 2.02 — Results of Operations and Financial Condition 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-03-24 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers | EDGAR |
| 2026-03-13 | 8-K | 1.01 — Entry into a Material Definitive Agreement 2.01 — Completion of Acquisition or Disposition of Assets 2.03 — Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-02-24 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
| 2026-01-16 | 8-K | 5.02 — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers 9.01 — Financial Statements and Exhibits | EDGAR |
| 2025-11-03 | 8-K | 2.02 — Results of Operations and Financial Condition 7.01 — Regulation FD Disclosure 9.01 — Financial Statements and Exhibits | EDGAR |
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