Stephen Mayo - Net Worth and Insider Trading
Stephen Mayo Net Worth
The estimated net worth of Stephen Mayo is at least $848,904 dollars as of 2023-10-04. Stephen Mayo is the Director of Sarepta Therapeutics Inc and owns about 6,387 shares of Sarepta Therapeutics Inc (SRPT) stock worth over $768,867. Stephen Mayo is also the Director of Allogene Therapeutics Inc and owns about 25,328 shares of Allogene Therapeutics Inc (ALLO) stock worth over $80,036. Details can be seen in Stephen Mayo's Latest Holdings Summary section.
Transaction Summary of Stephen Mayo
Stephen Mayo Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, Stephen Mayo owns 4 companies in total, including Merck & Co Inc (MRK) , Sarepta Therapeutics Inc (SRPT) , and Merck & Co Inc (MRKPRB.PFD) among others .
Click here to see the complete history of Stephen Mayo’s form 4 insider trades.
Insider Ownership Summary of Stephen Mayo
Ticker | Comapny | Transaction Date | Type of Owner |
---|---|---|---|
MRK | Merck & Co Inc | 2021-03-15 | director |
SRPT | Sarepta Therapeutics Inc | 2021-11-16 | director |
MRKPRB.PFD | Merck & Co Inc | 2021-03-15 | director |
ALLO | Allogene Therapeutics Inc | 2023-06-13 | director |
Stephen Mayo Latest Holdings Summary
Stephen Mayo currently owns a total of 2 stocks. Among these stocks, Stephen Mayo owns 6,387 shares of Sarepta Therapeutics Inc (SRPT) as of November 17, 2022, with a value of $768,867 and a weighting of 90.56999999999999%. Stephen Mayo also owns 25,328 shares of Allogene Therapeutics Inc (ALLO) as of August 7, 2023, with a value of $80,036 and a weighting of 9.43%.
Latest Holdings of Stephen Mayo
Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
---|---|---|---|---|---|
SRPT | Sarepta Therapeutics Inc | 2022-11-17 | 6,387 | 120.38 | 768,867 |
ALLO | Allogene Therapeutics Inc | 2023-08-07 | 25,328 | 3.16 | 80,036 |
Holding Weightings of Stephen Mayo
Stephen Mayo Form 4 Trading Tracker
According to the SEC Form 4 filings, Stephen Mayo has made a total of 1 transactions in Sarepta Therapeutics Inc (SRPT) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Sarepta Therapeutics Inc is the sale of 858 shares on November 17, 2022, which brought Stephen Mayo around $94,311.
According to the SEC Form 4 filings, Stephen Mayo has made a total of 1 transactions in Allogene Therapeutics Inc (ALLO) over the past 5 years, including 0 buys and 1 sells. The most-recent trade in Allogene Therapeutics Inc is the sale of 10,000 shares on August 7, 2023, which brought Stephen Mayo around $42,900.
Insider Trading History of Stephen Mayo
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Stephen Mayo Trading Performance
Stephen Mayo Ownership Network
Ownership Network List of Stephen Mayo
Ownership Network Relation of Stephen Mayo
Stephen Mayo Owned Company Details

What does Merck & Co Inc do?
Merck makes pharmaceutical products to treat several conditions in a number of therapeutic areas, including cardiometabolic disease, cancer, and infections. Within cancer, the firm's immuno-oncology platform is growing as a major contributor to overall sales. The company also has a substantial vaccine business, with treatments to prevent pediatric diseases as well as human papillomavirus, or HPV. Additionally, Merck sells animal health-related drugs. From a geographical perspective, just under half of the company's sales are generated in the United States.
Who are the key executives at Merck & Co Inc?
Stephen Mayo is the director of Merck & Co Inc. Other key executives at Merck & Co Inc include President & Human Health Int?l Joseph Romanelli , Chief Marketing Officer Chirfi Guindo , and SVP & U.S. Market Johannes Jacobus Oosthuizen .
Merck & Co Inc (MRK) Insider Trades Summary
Over the past 18 months, Stephen Mayo made no insider transaction in Merck & Co Inc (MRK). Other recent insider transactions involving Merck & Co Inc (MRK) include a net sale of 133,401 shares made by Steven Mizell , a net sale of 2,172,853 shares made by Kenneth C Frazier , and a net sale of 4,715 shares made by Joseph Romanelli .
In summary, during the past 3 months, insiders sold 8,839 shares of Merck & Co Inc (MRK) in total and bought 0 shares, with a net sale of 8,839 shares. During the past 18 months, 3,613,019 shares of Merck & Co Inc (MRK) were sold and 409 shares were bought by its insiders, resulting in a net sale of 3,612,610 shares.
Merck & Co Inc (MRK)'s detailed insider trading history can be found in Insider Trading Tracker table.
Merck & Co Inc Insider Transactions
Stephen Mayo Mailing Address
Above is the net worth, insider trading, and ownership report for Stephen Mayo. You might contact Stephen Mayo via mailing address: 2000 Galloping Hill Rd, Kenilworth Nj 07033.