James Stone - Net Worth and Insider Trading
James Stone Net Worth
The estimated net worth of James Stone is at least $2 Million dollars as of 2025-04-11. James Stone is the Section 16 Officer of New Mountain Finance Corp and owns about 167,703 shares of New Mountain Finance Corp (NMFC) stock worth over $2 Million. Details can be seen in James Stone's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that James Stone has not made any transactions after 2023-03-14 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of James Stone
James Stone Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, James Stone owns 1 companies in total, including New Mountain Finance Corp (NMFC) .
Click here to see the complete history of James Stone’s form 4 insider trades.
Insider Ownership Summary of James Stone
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
NMFC | New Mountain Finance Corp | 2023-03-14 | Section 16 Officer |
James Stone Latest Holdings Summary
James Stone currently owns a total of 1 stock. James Stone owns 167,703 shares of New Mountain Finance Corp (NMFC) as of March 14, 2023, with a value of $2 Million.
Latest Holdings of James Stone
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
NMFC | New Mountain Finance Corp | 2023-03-14 | 167,703 | 9.32 | 1,562,992 |
Holding Weightings of James Stone
James Stone Form 4 Trading Tracker
According to the SEC Form 4 filings, James Stone has made a total of 1 transactions in New Mountain Finance Corp (NMFC) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in New Mountain Finance Corp is the acquisition of 11,000 shares on March 14, 2023, which cost James Stone around $131,560.
Insider Trading History of James Stone
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James Stone Trading Performance
GuruFocus tracks the stock performance after each of James Stone's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by James Stone is 1.27%. GuruFocus also compares James Stone's trading performance to market benchmark return within the same time period. The performance of stocks bought by James Stone within 3 months outperforms 8 times out of 20 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how James Stone's insider trading performs compared to the benchmark.
Performance of James Stone
James Stone Ownership Network
Ownership Network List of James Stone
Ownership Network Relation of James Stone

James Stone Owned Company Details
What does New Mountain Finance Corp do?
Who are the key executives at New Mountain Finance Corp?
James Stone is the Section 16 Officer of New Mountain Finance Corp. Other key executives at New Mountain Finance Corp include Section 16 Officer John Kline , Chief Financial Officer Adam Weinstein , and CEO & President Robert Hamwee .
New Mountain Finance Corp (NMFC) Insider Trades Summary
Over the past 18 months, James Stone made no insider transaction in New Mountain Finance Corp (NMFC). Other recent insider transactions involving New Mountain Finance Corp (NMFC) include a net purchase of 1,298,157 shares made by Steven B Klinsky , a net purchase of 23,500 shares made by David Ogens , and a net purchase of 40,312 shares made by John Kline .
In summary, during the past 3 months, insiders sold 0 shares of New Mountain Finance Corp (NMFC) in total and bought 20,000 shares, with a net purchase of 20,000 shares. During the past 18 months, 1,238 shares of New Mountain Finance Corp (NMFC) were sold and 1,417,207 shares were bought by its insiders, resulting in a net purchase of 1,415,969 shares.
New Mountain Finance Corp (NMFC)'s detailed insider trading history can be found in Insider Trading Tracker table.
New Mountain Finance Corp Insider Transactions
James Stone Mailing Address
Above is the net worth, insider trading, and ownership report for James Stone. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, James Stone's mailing address is: New York Ny 10019.