Michael J Stone - Net Worth and Insider Trading
Michael J Stone Net Worth
The estimated net worth of Michael J Stone is at least $32 Million dollars as of 2025-04-25. Michael J Stone is the Director of RLI Corp and owns about 429,291 shares of RLI Corp (RLI) stock worth over $32 Million. Details can be seen in Michael J 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 Michael J Stone has not made any transactions after 2024-12-13 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Michael J Stone
Michael J Stone Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Michael J Stone owns 3 companies in total, including RLI Corp (RLI) , Kairos Acquisition Corp (KAIR) , and Kairos Acquisition Corp (KAIRU) .
Click here to see the complete history of Michael J Stone’s form 4 insider trades.
Insider Ownership Summary of Michael J Stone
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
RLI | RLI Corp | 2024-12-13 | other: President RLI Insurance Compan |
KAIR | Kairos Acquisition Corp | 2021-01-05 | director |
KAIRU | Kairos Acquisition Corp | 2021-01-05 | director |
Michael J Stone Latest Holdings Summary
Michael J Stone currently owns a total of 1 stock. Michael J Stone owns 429,291 shares of RLI Corp (RLI) as of December 13, 2024, with a value of $32 Million.
Michael J Stone Form 4 Trading Tracker
According to the SEC Form 4 filings, Michael J Stone has made a total of 7 transactions in RLI Corp (RLI) over the past 5 years, including 1 buys and 6 sells. The most-recent trade in RLI Corp is the sale of 1,000 shares on December 13, 2024, which brought Michael J Stone around $85,135.
Insider Trading History of Michael J Stone
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Michael J Stone Trading Performance
GuruFocus tracks the stock performance after each of Michael J Stone's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Michael J Stone is 0.62%. GuruFocus also compares Michael J Stone's trading performance to market benchmark return within the same time period. The performance of stocks bought by Michael J Stone within 3 months outperforms 0 times out of 1 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Michael J Stone's insider trading performs compared to the benchmark.
Performance of Michael J Stone
Michael J Stone Ownership Network
Ownership Network List of Michael J Stone
Ownership Network Relation of Michael J Stone

Michael J Stone Owned Company Details
What does RLI Corp do?
Who are the key executives at RLI Corp?
Michael J Stone is the other: President RLI Insurance Compan of RLI Corp. Other key executives at RLI Corp include Vice President Human Resources Jeffrey D Fick , other: VP & Actuarial RLI Insurance Co Craig W Kliethermes , and other: Sr. VP & Operations - RLI Ins. Jennifer L Klobnak .
RLI Corp (RLI) Insider Trades Summary
Over the past 18 months, Michael J Stone made 1 insider transaction in RLI Corp (RLI) with a net sale of 500. Other recent insider transactions involving RLI Corp (RLI) include a net purchase of 911 shares made by Michael E Angelina , a net purchase of 5,000 shares made by Craig W Kliethermes , and a net sale of 2,864 shares made by Restrepo Robert P Jr .
In summary, during the past 3 months, insiders sold 4,364 shares of RLI Corp (RLI) in total and bought 2,000 shares, with a net sale of 2,364 shares. During the past 18 months, 7,942 shares of RLI Corp (RLI) were sold and 13,200 shares were bought by its insiders, resulting in a net purchase of 5,258 shares.
RLI Corp (RLI)'s detailed insider trading history can be found in Insider Trading Tracker table.
RLI Corp Insider Transactions
Michael J Stone Mailing Address
Above is the net worth, insider trading, and ownership report for Michael J Stone. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Michael J Stone's mailing address is: Peoria Il 61615.