Nasdaq · CIK 0001496099
NMFC New Mountain Finance Corp
Insider trading from SEC Form 4. Last filing 31 d ago. Close $6.73 on Oct 9, 2026, +2% from the 52-week low and -21% from the high.
Last 90 days
Net insider value
$0
no open-market trades
Buys
0
$0 by 0 insiders
Sells
0
$0 by 0 insiders
Insiders on file
7
with a Form 4 at this company
Price and insider trades, last year
NMFCOct 9, 2026 · close 6.73
Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value. Click a marked bar to open the signal.Charts by TradingView Lightweight Charts™
Signals
Open-market buys and sells at New Mountain Finance Corp, scored.
| Score | Insider | Value | Holdings | Price context | Filed |
|---|---|---|---|---|---|
| 59Moderate | Adam B. Weinstein EVP, CAO and Director buy | $98k 12,900 shares | +2% | +8% from low-19% from high | |
| 75Notable | Steven B Klinsky director, owner buy | $4.0M 500,000 shares | +39% | +5% from low-21% from high | |
| 72Notable | Steven B Klinsky director, owner buy | $1.9M 237,873 shares | +20% | +6% from low-20% from high | |
| 75Notable | Steven B Klinsky director, owner buy | $3.5M 437,400 shares | +41% | +4% from low-22% from high | |
| 57Moderate | David Ogens director buy | $98k 12,500 shares | +5% | +4% from low-22% from high | |
| 70Notable | Steven B Klinsky director buy | $2.5M 324,727 shares | +34% | 0% from low-25% from high | |
| 61Notable | Adam B. Weinstein EVP, CAO and Director buy | $324k 41,707 shares | +6% | 0% from low-25% from high | |
| 62Notable | Laura C. Holson Boswerger COO buy | $97k 12,500 shares | +18% | 0% from low-25% from high | |
| 46Moderate | Steven B Klinsky director buy | $1.0M 106,691 shares | +11% | +14% from low-11% from high | |
| 44Moderate | Adam B. Weinstein EVP, CAO and Director buy | $499k 49,750 shares | +8% | +12% from low-12% from high | |
| 39Weak | David Ogens director buy | $266k 26,000 shares | +13% | +16% from low-10% from high | |
| 33Weak | Kris Corbett CFO and Treasurer buy | $7,602 750 shares | +8% | +15% from low-10% from high | |
| 45Moderate | Steven B Klinsky director buy | $816k 72,280 shares | +8% | - | |
| 48Moderate | Steven B Klinsky director buy | $1.2M 100,502 shares | +11% | - | |
| 35Weak | Steven B Klinsky director buy | $371k 31,597 shares | +4% | - | |
| 36Weak | Steven B Klinsky director buy | $399k 34,018 shares | +4% | - | |
| 23Weak | Steven B Klinsky director buy | $73k 6,200 shares | +1% | - | |
| 20Weak | Steven B Klinsky director buy | $28k 2,400 shares | +0% | - | |
| 37Weak | Steven B Klinsky director buy | $430k 36,721 shares | +4% | - | |
| 56Moderate | Steven B Klinsky director buy | $1.0M 89,044 shares | +11% | - | |
| 63Notable | Steven B Klinsky director buy | $1.2M 100,272 shares | +13% | - | |
| 63Notable | Steven B Klinsky director buy | $1.1M 97,008 shares | +13% | - | |
| 66Notable | Steven B Klinsky director buy | $1.8M 152,353 shares | +21% | - | |
| 66Notable | Steven B Klinsky director buy | $2.2M 191,636 shares | +30% | - | |
| 66Notable | Steven B Klinsky director buy | $2.3M 210,469 shares | +37% | - | |
| 60Notable | John Kline CEO, President, and Director buy | $454k 41,550 shares | +13% | - | |
| 48Moderate | Kris Corbett CFO and Treasurer buy | $27k 2,500 shares | +38% | - | |
| 61Notable | Steven B Klinsky director buy | $1.9M 173,657 shares | +34% | - | |
| 51Moderate | Adam B. Weinstein EVP, CAO and Director buy | $489k 45,000 shares | +9% | - |
Transactions
The last 84 rows filed, every code.
| Date | Insider | Transaction | Shares | Price | Value | Holdings after | Filed |
|---|---|---|---|---|---|---|---|
| Jun 10, 2026 | John R Kline CEO, President and Director | WWill or inheritance Common Stock | +2,000 | $0.00 | $0 | 389,685 | 31 d ago |
| Mar 17, 2026 | Adam B. Weinstein EVP, CAO and Director | POpen-market purchase Common Stock | +12,900 | $7.61 | $98k | 751,756 | Mar 18, 2026 |
| Mar 10, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +74,586 | $8.05 | $600k | 1,373,030 | Mar 12, 2026 |
| Mar 11, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +92,080 | $8.05 | $741k | 1,465,110 | Mar 12, 2026 |
| Mar 10, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +149,172 | $8.05 | $1.2M | 5,186,696 | Mar 12, 2026 |
| Mar 11, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +184,162 | $8.05 | $1.5M | 5,370,858 | Mar 12, 2026 |
| Mar 5, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +79,291 | $8.10 | $642k | 1,298,444 | Mar 6, 2026 |
| Mar 5, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +158,582 | $8.10 | $1.3M | 5,037,524 | Mar 6, 2026 |
| Mar 3, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +83,498 | $7.94 | $663k | 1,156,852 | Mar 5, 2026 |
| Mar 4, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +62,301 | $8.17 | $509k | 1,219,153 | Mar 5, 2026 |
| Mar 3, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +166,997 | $7.94 | $1.3M | 4,754,338 | Mar 5, 2026 |
| Mar 4, 2026 | Steven B Klinsky director, owner | POpen-market purchase Common Stockindirect: See Note | +124,604 | $8.17 | $1.0M | 4,878,942 | Mar 5, 2026 |
| Mar 3, 2026 | David Ogens director | POpen-market purchase Common Stock | +10,100 | $7.87 | $79k | 239,156 | Mar 4, 2026 |
| Mar 3, 2026 | David Ogens director | POpen-market purchase Common Stock | +2,400 | $7.86 | $19k | 241,556 | Mar 4, 2026 |
| Feb 27, 2026 | Adam B. Weinstein EVP, CAO and Director | POpen-market purchase Common Stock | +38,400 | $7.76 | $298k | 735,549 | Mar 3, 2026 |
| Mar 2, 2026 | Adam B. Weinstein EVP, CAO and Director | POpen-market purchase Common Stock | +3,307 | $7.73 | $26k | 738,856 | Mar 3, 2026 |
| Feb 27, 2026 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +46,001 | $7.69 | $354k | 1,011,112 | Mar 3, 2026 |
| Mar 2, 2026 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +62,242 | $7.79 | $485k | 1,073,354 | Mar 3, 2026 |
| Feb 27, 2026 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +92,001 | $7.69 | $708k | 4,462,858 | Mar 3, 2026 |
| Mar 2, 2026 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +124,483 | $7.79 | $969k | 4,587,341 | Mar 3, 2026 |
| Feb 27, 2026 | Laura C. Holson Boswerger COO | POpen-market purchase Common Stock | +12,500 | $7.74 | $97k | 81,030 | Mar 2, 2026 |
| Sep 16, 2025 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +21,339 | $9.78 | $209k | 965,111 | Sep 18, 2025 |
| Sep 16, 2025 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +85,352 | $9.78 | $835k | 4,370,857 | Sep 18, 2025 |
| Sep 15, 2025 | Adam B. Weinstein EVP, CAO and Director | POpen-market purchase Common Stock | +49,750 | $10.03 | $499k | 652,490 | Sep 16, 2025 |
| Aug 11, 2025 | David Ogens director | POpen-market purchase Common Stock | +18,000 | $10.23 | $184k | 216,189 | Aug 12, 2025 |
| Aug 11, 2025 | David Ogens director | POpen-market purchase Common Stockindirect: By Trust | +4,000 | $10.26 | $41k | 12,000 | Aug 12, 2025 |
| Aug 11, 2025 | David Ogens director | POpen-market purchase Common Stockindirect: By Trust | +4,000 | $10.22 | $41k | 16,000 | Aug 12, 2025 |
| Aug 7, 2025 | Kris Corbett CFO and Treasurer | POpen-market purchase Common Stockindirect: By Trust | +750 | $10.14 | $7,602 | 9,750 | Aug 11, 2025 |
| Dec 17, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +24,093 | $11.28 | $272k | 943,772 | Dec 19, 2024 |
| Dec 17, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +48,187 | $11.28 | $544k | 4,285,505 | Dec 19, 2024 |
| Dec 13, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +3,017 | $11.74 | $35k | 889,195 | Dec 17, 2024 |
| Dec 16, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +30,484 | $11.74 | $358k | 919,679 | Dec 17, 2024 |
| Dec 13, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +6,034 | $11.74 | $71k | 4,176,351 | Dec 17, 2024 |
| Dec 16, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +60,967 | $11.74 | $716k | 4,237,318 | Dec 17, 2024 |
| Dec 11, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +6,607 | $11.74 | $78k | 880,293 | Dec 13, 2024 |
| Dec 12, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +6 | $11.74 | $69 | 886,178 | Dec 13, 2024 |
| Dec 11, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +13,213 | $11.74 | $155k | 4,158,546 | Dec 13, 2024 |
| Dec 12, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +11,771 | $11.74 | $138k | 4,170,317 | Dec 13, 2024 |
| Dec 5, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +5,542 | $11.74 | $65k | 867,888 | Dec 9, 2024 |
| Dec 6, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +5,798 | $11.74 | $68k | 873,686 | Dec 9, 2024 |
| Dec 5, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +11,082 | $11.74 | $130k | 4,133,737 | Dec 9, 2024 |
| Dec 6, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +11,596 | $11.74 | $136k | 4,145,333 | Dec 9, 2024 |
| Dec 3, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +2,067 | $11.75 | $24k | 862,346 | Dec 5, 2024 |
| Dec 3, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +4,133 | $11.75 | $49k | 4,122,655 | Dec 5, 2024 |
| Nov 26, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +800 | $11.74 | $9,395 | 860,279 | Nov 29, 2024 |
| Nov 26, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +1,600 | $11.74 | $19k | 4,118,522 | Nov 29, 2024 |
| Nov 22, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +12,241 | $11.71 | $143k | 859,479 | Nov 26, 2024 |
| Nov 22, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +24,480 | $11.71 | $287k | 4,116,922 | Nov 26, 2024 |
| Nov 20, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +11,622 | $11.51 | $134k | 829,179 | Nov 22, 2024 |
| Nov 21, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +18,059 | $11.59 | $209k | 847,238 | Nov 22, 2024 |
| Nov 20, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +23,245 | $11.51 | $268k | 4,056,324 | Nov 22, 2024 |
| Nov 21, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +36,118 | $11.59 | $419k | 4,092,442 | Nov 22, 2024 |
| Nov 18, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +15,154 | $11.52 | $175k | 799,287 | Nov 20, 2024 |
| Nov 19, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +18,270 | $11.63 | $212k | 817,557 | Nov 20, 2024 |
| Nov 18, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +30,307 | $11.52 | $349k | 3,996,538 | Nov 20, 2024 |
| Nov 19, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +36,541 | $11.63 | $425k | 4,033,079 | Nov 20, 2024 |
| Nov 14, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +15,083 | $11.55 | $174k | 766,880 | Nov 18, 2024 |
| Nov 15, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +17,253 | $11.56 | $199k | 784,133 | Nov 18, 2024 |
| Nov 14, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +30,167 | $11.55 | $348k | 3,931,726 | Nov 18, 2024 |
| Nov 15, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +34,505 | $11.56 | $399k | 3,966,231 | Nov 18, 2024 |
| Nov 12, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +19,054 | $11.41 | $217k | 758,992 | Nov 14, 2024 |
| Nov 13, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +31,730 | $11.60 | $368k | 790,722 | Nov 14, 2024 |
| Nov 12, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +38,108 | $11.41 | $435k | 3,799,173 | Nov 14, 2024 |
| Nov 13, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +63,461 | $11.60 | $736k | 3,862,634 | Nov 14, 2024 |
| Nov 8, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +77,850 | $11.26 | $877k | 714,984 | Nov 12, 2024 |
| Nov 11, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +24,954 | $11.36 | $283k | 739,938 | Nov 12, 2024 |
| Nov 8, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +38,925 | $11.26 | $438k | 3,711,158 | Nov 12, 2024 |
| Nov 11, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +49,907 | $11.36 | $567k | 3,761,065 | Nov 12, 2024 |
| Nov 6, 2024 | John Kline CEO, President, and Director | POpen-market purchase Common Stock | +2,037 | $10.92 | $22k | 312,270 | Nov 8, 2024 |
| Nov 6, 2024 | John Kline CEO, President, and Director | POpen-market purchase Common Stock | +2,373 | $10.93 | $26k | 314,643 | Nov 8, 2024 |
| Nov 6, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +50,203 | $10.87 | $546k | 617,181 | Nov 8, 2024 |
| Nov 7, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +19,953 | $11.09 | $221k | 637,134 | Nov 8, 2024 |
| Nov 6, 2024 | John Kline CEO, President, and Director | POpen-market purchase Common Stock | +29,713 | $10.92 | $324k | 344,356 | Nov 8, 2024 |
| Nov 6, 2024 | John Kline CEO, President, and Director | POpen-market purchase Common Stock | +300 | $10.91 | $3,272 | 344,656 | Nov 8, 2024 |
| Nov 6, 2024 | John Kline CEO, President, and Director | POpen-market purchase Common Stock | +1,511 | $10.93 | $17k | 346,167 | Nov 8, 2024 |
| Nov 6, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +100,406 | $10.87 | $1.1M | 3,632,326 | Nov 8, 2024 |
| Nov 6, 2024 | John Kline CEO, President, and Director | POpen-market purchase Common Stock | +5,616 | $10.91 | $61k | 351,783 | Nov 8, 2024 |
| Nov 7, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +39,907 | $11.09 | $443k | 3,672,233 | Nov 8, 2024 |
| Nov 4, 2024 | Kris Corbett CFO and Treasurer | POpen-market purchase Common Stockindirect: By Trust | +2,500 | $10.85 | $27k | 9,000 | Nov 6, 2024 |
| Nov 4, 2024 | Adam B. Weinstein EVP, CAO and Director | POpen-market purchase Common Stock | +45,000 | $10.87 | $489k | 552,535 | Nov 6, 2024 |
| Nov 4, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +11,195 | $10.80 | $121k | 520,288 | Nov 6, 2024 |
| Nov 5, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +46,690 | $10.68 | $499k | 566,978 | Nov 6, 2024 |
| Nov 4, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +22,391 | $10.80 | $242k | 3,438,539 | Nov 6, 2024 |
| Nov 5, 2024 | Steven B Klinsky director | POpen-market purchase Common Stockindirect: See Note | +93,381 | $10.68 | $997k | 3,531,920 | Nov 6, 2024 |
Insiders
Everyone who has filed a Form 4 here.
- Laura C. Holson BoswergerCOO
- Kris CorbettCFO and Treasurer
- John R KlineCEO, President and Director
- Steven B Klinskydirector, owner
- John KlineCEO, President, and Director
- David Ogensdirector
- Adam B. WeinsteinEVP, CAO and Director
Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.