NMFC · New Mountain Finance Corporation Common Stock
View on chartInsiders & Stakes
| Steven B. Klinsky Director | ▲ Buy | Open Market | 5,370,858 Shares held | 3/11/2026 | View profile |
| Adam B. Weinstein EVP, CAO and Director | ▲ Buy | Open Market | 751,756 Shares held | 3/17/2026 | View profile |
| Robert Hamwee CEO and Director | ▼ Sell | Open Market | 549,373 Shares held | 7/27/2023 | View profile |
| John Kline CEO, President, and Director | ▲ Buy | Open Market | 351,783 Shares held | 11/6/2024 | View profile |
| David Ogens Director | ▲ Buy | Open Market | 241,556 Shares held | 3/3/2026 | View profile |
| Stone James Section 16 Officer | ▲ Buy | Open Market | 129,670 Shares held | 3/14/2023 | View profile |
| Laura Holson Boswerger Chief Operating Officer | ▲ Buy | Open Market | 81,030 Shares held | 2/27/2026 | View profile |
| Arnold Rome G. III Director | ▲ Buy | Open Market | 62,291 Shares held | 3/14/2023 | View profile |
| Hartswell Joseph CCO and Corporate Secretary | ▲ Buy | Open Market | 10,143 Shares held | 5/20/2022 | View profile |
| Kajee Shiraz See Remarks | ▲ Buy | Open Market | 10,000 Shares held | 5/16/2022 | View profile |
| Kris Corbett CFO and Treasurer | ▲ Buy | Open Market | 9,750 Shares held | 8/7/2025 | View profile |
| John P. Malfettone Director | ▼ Sell | Open Market | 0 Shares held | 6/15/2026 | View profile |
Transaction History
| John P. Malfettone | ▼ Sell | Open Market | 77,500 | $612K | 6/15/2026 |
| Adam B. Weinstein | ▲ Buy | Open Market | 12,900 | $98K | 3/17/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 92,080 | $741K | 3/11/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 184,162 | $1.5M | 3/11/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 74,586 | $600K | 3/10/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 149,172 | $1.2M | 3/10/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 79,291 | $642K | 3/5/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 158,582 | $1.3M | 3/5/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 62,301 | $509K | 3/4/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 124,604 | $1.0M | 3/4/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 83,498 | $663K | 3/3/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 166,997 | $1.3M | 3/3/2026 |
| David Ogens | ▲ Buy | Open Market | 10,100 | $79K | 3/3/2026 |
| David Ogens | ▲ Buy | Open Market | 2,400 | $19K | 3/3/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 62,242 | $485K | 3/2/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 124,483 | $969K | 3/2/2026 |
| Adam B. Weinstein | ▲ Buy | Open Market | 3,307 | $26K | 3/2/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 46,001 | $354K | 2/27/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 92,001 | $708K | 2/27/2026 |
| Adam B. Weinstein | ▲ Buy | Open Market | 38,400 | $298K | 2/27/2026 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 12,500 | $97K | 2/27/2026 |
| Steven B. Klinsky | ▲ Buy | Open Market | 21,339 | $209K | 9/16/2025 |
| Steven B. Klinsky | ▲ Buy | Open Market | 85,352 | $835K | 9/16/2025 |
| Adam B. Weinstein | ▲ Buy | Open Market | 49,750 | $499K | 9/15/2025 |
| David Ogens | ▲ Buy | Open Market | 18,000 | $184K | 8/11/2025 |
| David Ogens | ▲ Buy | Open Market | 4,000 | $41K | 8/11/2025 |
| David Ogens | ▲ Buy | Open Market | 4,000 | $41K | 8/11/2025 |
| Kris Corbett | ▲ Buy | Open Market | 750 | $8K | 8/7/2025 |
| David Ogens | ▲ Buy | Open Market | 5,000 | $57K | 3/7/2025 |
| David Ogens | ▲ Buy | Open Market | 5,000 | $57K | 3/6/2025 |
| David Ogens | ▲ Buy | Open Market | 5,000 | $57K | 3/5/2025 |
| David Ogens | ▲ Buy | Open Market | 5,000 | $57K | 3/4/2025 |
| Steven B. Klinsky | ▲ Buy | Open Market | 24,093 | $272K | 12/17/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 48,187 | $544K | 12/17/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 30,484 | $358K | 12/16/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 60,967 | $716K | 12/16/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 3,017 | $35K | 12/13/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 6,034 | $71K | 12/13/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 6 | $69 | 12/12/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 11,771 | $138K | 12/12/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 6,607 | $78K | 12/11/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 13,213 | $155K | 12/11/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 5,798 | $68K | 12/6/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 11,596 | $136K | 12/6/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 5,542 | $65K | 12/5/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 11,082 | $130K | 12/5/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 2,067 | $24K | 12/3/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 4,133 | $49K | 12/3/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 800 | $9K | 11/26/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 1,600 | $19K | 11/26/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 12,241 | $143K | 11/22/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 24,480 | $287K | 11/22/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 18,059 | $209K | 11/21/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 36,118 | $419K | 11/21/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 11,622 | $134K | 11/20/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 23,245 | $268K | 11/20/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 18,270 | $212K | 11/19/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 36,541 | $425K | 11/19/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 15,154 | $175K | 11/18/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 30,307 | $349K | 11/18/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 17,253 | $199K | 11/15/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 34,505 | $399K | 11/15/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 15,083 | $174K | 11/14/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 30,167 | $348K | 11/14/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 31,730 | $368K | 11/13/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 63,461 | $736K | 11/13/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 19,054 | $217K | 11/12/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 38,108 | $435K | 11/12/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 24,954 | $283K | 11/11/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 49,907 | $567K | 11/11/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 77,850 | $877K | 11/8/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 38,925 | $438K | 11/8/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 19,953 | $221K | 11/7/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 39,907 | $443K | 11/7/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 50,203 | $546K | 11/6/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 100,406 | $1.1M | 11/6/2024 |
| John Kline | ▲ Buy | Open Market | 2,037 | $22K | 11/6/2024 |
| John Kline | ▲ Buy | Open Market | 2,373 | $26K | 11/6/2024 |
| John Kline | ▲ Buy | Open Market | 29,713 | $324K | 11/6/2024 |
| John Kline | ▲ Buy | Open Market | 300 | $3K | 11/6/2024 |
| John Kline | ▲ Buy | Open Market | 1,511 | $17K | 11/6/2024 |
| John Kline | ▲ Buy | Open Market | 5,616 | $61K | 11/6/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 46,690 | $499K | 11/5/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 93,381 | $997K | 11/5/2024 |
| Adam B. Weinstein | ▲ Buy | Open Market | 45,000 | $489K | 11/4/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 11,195 | $121K | 11/4/2024 |
| Steven B. Klinsky | ▲ Buy | Open Market | 22,391 | $242K | 11/4/2024 |
| Kris Corbett | ▲ Buy | Open Market | 2,500 | $27K | 11/4/2024 |
| Kris Corbett | ▲ Buy | Open Market | 6,500 | $76K | 8/5/2024 |
| David Ogens | ▲ Buy | Open Market | 3,500 | $44K | 6/7/2024 |
| John Kline | ▼ Sell | Open Market | 9 | $113 | 4/22/2024 |
| John Kline | ▼ Sell | Open Market | 1,229 | $15K | 4/22/2024 |
| Robert Hamwee | ▼ Sell | Open Market | 15 | $193 | 7/27/2023 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 4,975 | $59K | 5/11/2023 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 5,000 | $60K | 5/11/2023 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 5,000 | $59K | 5/11/2023 |
| Steven B. Klinsky | ▲ Buy | Open Market | 100,000 | $1.2M | 3/17/2023 |
| Steven B. Klinsky | ▲ Buy | Open Market | 100,000 | $1.2M | 3/16/2023 |
| Steven B. Klinsky | ▲ Buy | Open Market | 100,000 | $1.2M | 3/15/2023 |
| Steven B. Klinsky | ▲ Buy | Open Market | 100,000 | $1.2M | 3/14/2023 |
| Arnold Rome G. III | ▲ Buy | Open Market | 10,000 | $120K | 3/14/2023 |
| Stone James | ▲ Buy | Open Market | 7,300 | $87K | 3/14/2023 |
| Stone James | ▲ Buy | Open Market | 3,700 | $44K | 3/14/2023 |
| Steven B. Klinsky | ▲ Buy | Open Market | 100,000 | $1.2M | 3/13/2023 |
| David Ogens | ▲ Buy | Open Market | 5,400 | $63K | 3/10/2023 |
| John Kline | ▲ Buy | Open Market | 7,700 | $93K | 3/10/2023 |
| John Kline | ▲ Buy | Open Market | 100 | $1K | 3/10/2023 |
| John Kline | ▲ Buy | Open Market | 100 | $1K | 3/10/2023 |
| John Kline | ▲ Buy | Open Market | 300 | $4K | 3/10/2023 |
| Arnold Rome G. III | ▲ Buy | Open Market | 10,000 | $120K | 12/16/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 200 | $3K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 603 | $8K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 2,819 | $36K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 5,931 | $76K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 820 | $11K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 1,200 | $15K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 2,435 | $31K | 9/6/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 5,928 | $76K | 9/6/2022 |
| David Ogens | ▲ Buy | Open Market | 2,600 | $34K | 9/2/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 16 | $206 | 9/1/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 100 | $1K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 1,300 | $15K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 685 | $8K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 200 | $2K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 2,100 | $24K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 1,737 | $20K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 4,246 | $49K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 900 | $10K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 2,000 | $23K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 2,700 | $31K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 1,200 | $14K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 300 | $3K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 200 | $2K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 100 | $1K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 400 | $5K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 1,532 | $18K | 6/15/2022 |
| Robert Hamwee | ▲ Buy | Open Market | 300 | $3K | 6/15/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 4,000 | $49K | 6/13/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 4,000 | $49K | 5/24/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 100 | $1K | 5/23/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 100 | $1K | 5/23/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 4 | $50 | 5/23/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 300 | $4K | 5/23/2022 |
| Laura Holson Boswerger | ▲ Buy | Open Market | 3,496 | $44K | 5/23/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 100 | $1K | 5/20/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 1,700 | $21K | 5/20/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 23,200 | $290K | 5/20/2022 |
| Hartswell Joseph | ▲ Buy | Open Market | 4,500 | $57K | 5/20/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 19,726 | $254K | 5/18/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 19,725 | $254K | 5/18/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 27,604 | $359K | 5/17/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 27,605 | $359K | 5/17/2022 |
| David Ogens | ▲ Buy | Open Market | 1,089 | $14K | 5/17/2022 |
| David Ogens | ▲ Buy | Open Market | 493 | $6K | 5/16/2022 |
| Kajee Shiraz | ▲ Buy | Open Market | 2,500 | $32K | 5/16/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 18,350 | $235K | 5/16/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 18,350 | $235K | 5/16/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 14,250 | $181K | 5/13/2022 |
| Steven B. Klinsky | ▲ Buy | Open Market | 14,250 | $181K | 5/13/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 200 | $2K | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 9,778 | $121K | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 142 | $2K | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 2,700 | $34K | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 10 | $124 | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 3,166 | $39K | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 4,270 | $53K | 5/12/2022 |
| Adam B. Weinstein | ▲ Buy | Open Market | 4,734 | $59K | 5/12/2022 |
| Arnold Rome G. III | ▼ Sell | Other | 18,000 | $0 | 12/14/2021 |
| Arnold Rome G. III | ▲ Buy | Open Market | 15,000 | $197K | 9/16/2021 |
| Adam B. Weinstein | ▲ Buy | Open Market | 15,080 | $197K | 8/20/2021 |