Mark Douglas - Net Worth and Insider Trading
Mark Douglas Net Worth
The estimated net worth of Mark Douglas is at least $6 Million dollars as of 2025-04-28. Mark Douglas is the President and CEO of FMC Corp and owns about 141,393 shares of FMC Corp (FMC) stock worth over $6 Million. Mark Douglas is also the Director of Quaker Houghton and owns about 2,008 shares of Quaker Houghton (KWR) stock worth over $211,001. Details can be seen in Mark Douglas'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 Mark Douglas has not made any transactions after 2023-05-03 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mark Douglas
Mark Douglas Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark Douglas owns 2 companies in total, including FMC Corp (FMC) , and Quaker Houghton (KWR) .
Click here to see the complete history of Mark Douglas’s form 4 insider trades.
Insider Ownership Summary of Mark Douglas
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
FMC | FMC Corp | 2023-05-03 | Pres. & Agricultural Solutions |
KWR | Quaker Houghton | 2020-08-11 | director |
Mark Douglas Latest Holdings Summary
Mark Douglas currently owns a total of 2 stocks. Among these stocks, Mark Douglas owns 141,393 shares of FMC Corp (FMC) as of May 3, 2023, with a value of $6 Million and a weighting of 96.5%. Mark Douglas also owns 2,008 shares of Quaker Houghton (KWR) as of August 11, 2020, with a value of $211,001 and a weighting of 3.5%.
Latest Holdings of Mark Douglas
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
FMC | FMC Corp | 2023-05-03 | 141,393 | 41.18 | 5,822,564 |
KWR | Quaker Houghton | 2020-08-11 | 2,008 | 105.08 | 211,001 |
Holding Weightings of Mark Douglas
Mark Douglas Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark Douglas has made a total of 3 transactions in FMC Corp (FMC) over the past 5 years, including 2 buys and 1 sells. The most-recent trade in FMC Corp is the acquisition of 4,121 shares on May 3, 2023, which cost Mark Douglas around $476,099.
According to the SEC Form 4 filings, Mark Douglas has made a total of 1 transactions in Quaker Houghton (KWR) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Quaker Houghton is the sale of 1,275 shares on August 11, 2020, which brought Mark Douglas around $257,397.
Insider Trading History of Mark Douglas
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Mark Douglas Trading Performance
GuruFocus tracks the stock performance after each of Mark Douglas's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark Douglas is -3.63%. GuruFocus also compares Mark Douglas's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark Douglas within 3 months outperforms 1 times out of 3 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how Mark Douglas's insider trading performs compared to the benchmark.
Performance of Mark Douglas
Mark Douglas Ownership Network
Ownership Network List of Mark Douglas
Ownership Network Relation of Mark Douglas

Mark Douglas Owned Company Details
What does FMC Corp do?
Who are the key executives at FMC Corp?
Mark Douglas is the Pres. & Agricultural Solutions of FMC Corp. Other key executives at FMC Corp include CEO & President & Chairman of Bd Pierre R Brondeau , EVP & President & FMC Americas Ronaldo Pereira , and EVP & General Counsel & Sec. Michael Finian Reilly .
FMC Corp (FMC) Insider Trades Summary
Over the past 18 months, Mark Douglas made no insider transaction in FMC Corp (FMC). Other recent insider transactions involving FMC Corp (FMC) include a net sale of 400 shares made by , a net purchase of 54,000 shares made by Pierre R Brondeau , and a net purchase of 6,000 shares made by Carol Anthony Davidson .
In summary, during the past 3 months, insiders sold 0 shares of FMC Corp (FMC) in total and bought 65,600 shares, with a net purchase of 65,600 shares. During the past 18 months, 7,895 shares of FMC Corp (FMC) were sold and 71,595 shares were bought by its insiders, resulting in a net purchase of 63,700 shares.
FMC Corp (FMC)'s detailed insider trading history can be found in Insider Trading Tracker table.
FMC Corp Insider Transactions
Mark Douglas Mailing Address
Above is the net worth, insider trading, and ownership report for Mark Douglas. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark Douglas's mailing address is: Philadelphia Pa 19106.