Brian F Maxted - Net Worth and Insider Trading
Brian F Maxted Net Worth
The estimated net worth of Brian F Maxted is at least $7 Million dollars as of 2025-07-20. Brian F Maxted is the Chief Exploration Officer of Kosmos Energy Ltd and owns about 3,513,812 shares of Kosmos Energy Ltd (KOS) stock worth over $7 Million. Details can be seen in Brian F Maxted'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 Brian F Maxted has not made any transactions after 2014-06-30 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Brian F Maxted
Brian F Maxted Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Brian F Maxted owns 1 companies in total, including Kosmos Energy Ltd (KOS) .
Click here to see the complete history of Brian F Maxted’s form 4 insider trades.
Insider Ownership Summary of Brian F Maxted
Ticker | Company | Transaction Date | Type of Owner |
---|---|---|---|
KOS | Kosmos Energy Ltd | 2014-06-30 | director & Director and CEO |
Brian F Maxted Latest Holdings Summary
Brian F Maxted currently owns a total of 1 stock. Brian F Maxted owns 3,513,812 shares of Kosmos Energy Ltd (KOS) as of June 30, 2014, with a value of $7 Million.
Latest Holdings of Brian F Maxted
Ticker | Company | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
KOS | Kosmos Energy Ltd | 2014-06-30 | 3,513,812 | 2.02 | 7,097,900 |
Holding Weightings of Brian F Maxted
Brian F Maxted Form 4 Trading Tracker
According to the SEC Form 4 filings, Brian F Maxted has made a total of 0 transactions in Kosmos Energy Ltd (KOS) over the past 5 years. The most-recent trade in Kosmos Energy Ltd is the sale of 1,600 shares on June 30, 2014, which brought Brian F Maxted around $18,000.
Insider Trading History of Brian F Maxted
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Brian F Maxted Trading Performance
GuruFocus tracks the stock performance after each of Brian F Maxted's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Brian F Maxted is -31.06%. GuruFocus also compares Brian F Maxted's trading performance to market benchmark return within the same time period. The performance of stocks bought by Brian F Maxted 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 Brian F Maxted's insider trading performs compared to the benchmark.
Performance of Brian F Maxted
Brian F Maxted Ownership Network
Ownership Network List of Brian F Maxted
Ownership Network Relation of Brian F Maxted

Brian F Maxted Owned Company Details
What does Kosmos Energy Ltd do?
Who are the key executives at Kosmos Energy Ltd?
Brian F Maxted is the director & Director and CEO of Kosmos Energy Ltd. Other key executives at Kosmos Energy Ltd include SVP & Business Development Christopher James Ball , director & Director and CEO Andrew G Inglis , and VP & Chief Accounting Officer Ronald W. Glass .
Kosmos Energy Ltd (KOS) Insider Trades Summary
Over the past 18 months, Brian F Maxted made no insider transaction in Kosmos Energy Ltd (KOS). Other recent insider transactions involving Kosmos Energy Ltd (KOS) include a net sale of 1,079,235 shares made by Andrew G Inglis , a net sale of 569,241 shares made by Nealesh D. Shah , and a net sale of 110,522 shares made by Ronald W. Glass .
In summary, during the past 3 months, insiders sold 27,923 shares of Kosmos Energy Ltd (KOS) in total and bought 0 shares, with a net sale of 27,923 shares. During the past 18 months, 2,807,779 shares of Kosmos Energy Ltd (KOS) were sold and 0 shares were bought by its insiders, resulting in a net sale of 2,807,779 shares.
Kosmos Energy Ltd (KOS)'s detailed insider trading history can be found in Insider Trading Tracker table.
Kosmos Energy Ltd Insider Transactions
Brian F Maxted Mailing Address
Above is the net worth, insider trading, and ownership report for Brian F Maxted. Currently GuruFocus does not have mailing address information for Brian F Maxted.