Mark E Strome - Net Worth and Insider Trading
Mark E Strome Net Worth
The estimated net worth of Mark E Strome is at least $6 Million dollars as of 2025-04-18. Mark E Strome is the 10% Owner of Zivo Bioscience Inc and owns about 398,683 shares of Zivo Bioscience Inc (ZIVO) stock worth over $6 Million. Details can be seen in Mark E Strome'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 E Strome has not made any transactions after 2024-12-26 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

Transaction Summary of Mark E Strome
Mark E Strome Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Mark E Strome owns 3 companies in total, including Zivo Bioscience Inc (ZIVO) , The Arena Group Holdings Inc (AREN) , and HeartBeam Inc (BEAT) .
Click here to see the complete history of Mark E Strome’s form 4 insider trades.
Insider Ownership Summary of Mark E Strome
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
ZIVO | Zivo Bioscience Inc | 2024-12-26 | 10 percent owner |
AREN | The Arena Group Holdings Inc | 2018-03-30 | 10 percent owner |
BEAT | HeartBeam Inc | 2023-07-13 | 10 percent owner |
Mark E Strome Latest Holdings Summary
Mark E Strome currently owns a total of 1 stock. Mark E Strome owns 398,683 shares of Zivo Bioscience Inc (ZIVO) as of December 26, 2024, with a value of $6 Million.
Latest Holdings of Mark E Strome
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
ZIVO | Zivo Bioscience Inc | 2024-12-26 | 398,683 | 16.00 | 6,378,928 |
Holding Weightings of Mark E Strome
Mark E Strome Form 4 Trading Tracker
According to the SEC Form 4 filings, Mark E Strome has made a total of 1 transactions in Zivo Bioscience Inc (ZIVO) over the past 5 years, including 1 buys and 0 sells. The most-recent trade in Zivo Bioscience Inc is the acquisition of 75,000 shares on December 26, 2024, which cost Mark E Strome around $2 Million.
Insider Trading History of Mark E Strome
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Mark E Strome Trading Performance
GuruFocus tracks the stock performance after each of Mark E Strome's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by Mark E Strome is -19.94%. GuruFocus also compares Mark E Strome's trading performance to market benchmark return within the same time period. The performance of stocks bought by Mark E Strome 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 Mark E Strome's insider trading performs compared to the benchmark.
Performance of Mark E Strome
Mark E Strome Ownership Network
Ownership Network List of Mark E Strome
Ownership Network Relation of Mark E Strome

Mark E Strome Owned Company Details
What does Zivo Bioscience Inc do?
Who are the key executives at Zivo Bioscience Inc?
Mark E Strome is the 10 percent owner of Zivo Bioscience Inc. Other key executives at Zivo Bioscience Inc include CHIEF FINANCIAL OFFICER Christopher D. Maggiore , 10 percent owner Strome Mezzanine Fund, Lp , and Chief Financial Officer Keith Marchiando .
Zivo Bioscience Inc (ZIVO) Insider Trades Summary
Over the past 18 months, Mark E Strome made 1 insider transaction in Zivo Bioscience Inc (ZIVO) with a net purchase of 75,000. Other recent insider transactions involving Zivo Bioscience Inc (ZIVO) include a net purchase of 239,852 shares made by Christopher D. Maggiore , a net purchase of 53,656 shares made by Alison A Cornell , and a net purchase of 13,213 shares made by .
In summary, during the past 3 months, insiders sold 20 shares of Zivo Bioscience Inc (ZIVO) in total and bought 10,080 shares, with a net purchase of 10,060 shares. During the past 18 months, 20 shares of Zivo Bioscience Inc (ZIVO) were sold and 388,084 shares were bought by its insiders, resulting in a net purchase of 388,064 shares.
Zivo Bioscience Inc (ZIVO)'s detailed insider trading history can be found in Insider Trading Tracker table.
Zivo Bioscience Inc Insider Transactions
Mark E Strome Mailing Address
Above is the net worth, insider trading, and ownership report for Mark E Strome. Based on the public information released on the U.S. Securities and Exchange Commission (SEC) website, Mark E Strome's mailing address is: Santa Monica Ca 90401.