John Grdina - Net Worth and Insider Trading

John Grdina Net Worth

The estimated net worth of John Grdina is at least $530,617 dollars as of 2024-11-13. John Grdina is the President and CEO of Adamas One Corp and owns about 6,759,458 shares of Adamas One Corp (JEWL) stock worth over $530,617. Details can be seen in John Grdina'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 John Grdina has not made any transactions after 2023-01-26 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.

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Transaction Summary of John Grdina

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John Grdina Insider Ownership Reports

Based on ownership reports from SEC filings, as the reporting owner, John Grdina owns 1 companies in total, including Adamas One Corp (JEWL) .

Click here to see the complete history of John Grdina’s form 4 insider trades.

Insider Ownership Summary of John Grdina

Ticker Comapny Transaction Date Type of Owner
JEWL Adamas One Corp 2023-01-26 director & President and CEO

John Grdina Latest Holdings Summary

John Grdina currently owns a total of 1 stock. John Grdina owns 6,759,458 shares of Adamas One Corp (JEWL) as of January 26, 2023, with a value of $530,617.

Latest Holdings of John Grdina

Ticker Comapny Latest Transaction Date Shares Owned Current Price ($) Current Value ($)
JEWL Adamas One Corp 2023-01-26 6,759,458 0.08 530,617

Holding Weightings of John Grdina


John Grdina Form 4 Trading Tracker

According to the SEC Form 4 filings, John Grdina has made a total of 2 transactions in Adamas One Corp (JEWL) over the past 5 years, including 2 buys and 0 sells. The most-recent trade in Adamas One Corp is the acquisition of 20,000 shares on January 26, 2023, which cost John Grdina around $50,200.

Insider Trading History of John Grdina

No transactions are available. GuruFocus only tracks and displays the purchase and sale of non-derivative security in open market or private transactions from SEC filings with the transaction code of P or S.
Total 0
  • 1
Only the transactions in Open Market or Private Sale at the market prices are included. Other transactions such as conversion of derivative security or exercise of options are not included. Insiders are limited to only officers and/or directors of the company.

John Grdina Trading Performance

GuruFocus tracks the stock performance after each of John Grdina's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John Grdina is -67.53%. GuruFocus also compares John Grdina's trading performance to market benchmark return within the same time period. The performance of stocks bought by John Grdina within 3 months outperforms 0 times out of 2 transactions in total compared to the return of S&P 500 within the same period.

You can select different timeframes to see how John Grdina's insider trading performs compared to the benchmark.

Please note GuruFocus will not track the insiders’ transaction performance if he/she does not have buying transactions.

Performance of John Grdina

Average Return

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Average return per transaction

Outperforming Transactions

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0 out of 2 outperforming transactions.
Each transaction is measured over a period and compared to .
1 Month 3 Months 6 Months 1 Year 2 Years 3 Years
Return(%) -41.47 LIMIT LIMIT LIMIT LIMIT LIMIT
Relative Return to S&P 500(%) -40.26 LIMIT LIMIT LIMIT LIMIT LIMIT

John Grdina Ownership Network

Ownership Network List of John Grdina

No Data

Ownership Network Relation of John Grdina

Insider Network Chart

John Grdina Owned Company Details

What does Adamas One Corp do?

Who are the key executives at Adamas One Corp?

John Grdina is the director & President and CEO of Adamas One Corp. Other key executives at Adamas One Corp include Chief Operating Officer Gerald A Mcguire , Chief Financial Officer Steven Staehr , and 10 percent owner Pubco, Llc .

Adamas One Corp (JEWL) Insider Trades Summary

In summary, during the past 3 months, insiders sold 0 shares of Adamas One Corp (JEWL) in total and bought 0 shares, with a net sale of 0 shares. During the past 18 months, 0 shares of Adamas One Corp (JEWL) were sold and 0 shares were bought by its insiders, resulting in a net sale of 0 shares.

Adamas One Corp (JEWL)'s detailed insider trading history can be found in Insider Trading Tracker table.

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Adamas One Corp Insider Transactions

No Available Data

John Grdina Mailing Address

Above is the net worth, insider trading, and ownership report for John Grdina. You might contact John Grdina via mailing address: 8340 E. Raintree Dr. Unit D, Scottsdale Az 85260.