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John Martin Mirko Insider Profile

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John Martin Mirko, President & Chief Executive Officer, Ten Percent Owner at Rokmaster Resources, holds 45.58M shares in Rokmaster Resources (Ticker: TSE:RKR), holds 1.42M shares in Aardvark Ventures, Inc. (Ticker: ROCAF). Most recently, John Martin Mirko Bought ― shares of Rokmaster Resources on Sep 29, 2026 for an estimated value of C$34.48K.
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John Martin Mirko

John Martin Mirko
Rokmaster Resources (RKR)
President & Chief Executive Officer, Ten Percent Owner

Ranked #106,565 out of 109,193 Corporate Insiders

Profitable Transactions

19%
29 out of 155 Profitable Transactions

Average Return

-20.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

C$1M
100.00%
A breakdown of John Martin Mirko's holdings

Insider Roles

Rokmaster Resources
(RKR)
President & Chief Executive Officer, Ten Percent Owner
Roles that John Martin Mirko holds in companies

Most Profitable Insider Trade

Stock:
Rokmaster Resources
(RKR)
Rating:Informative Buy
Date:Mar 29, 2016 - Mar 29, 2017
Return:+461.20%
The most profitable trade made by John Martin Mirko

John Martin Mirko's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Rokmaster Resources
Sep 29, 2026
President & Chief Executive Officer, Ten Percent Owner
Informative Buy
34.48K
C$2.05M
ROCAF
Aardvark Ventures, Inc.
Mar 16, 2010
―
Informative Sell
4.80K
$14.17K
List of latest transactions for each holding click on a transaction to see John Martin Mirko's performance on stock

John Martin Mirko insider profile FAQ

What is the percentage of profitable transactions made by John Martin Mirko?
The percentage of profitable transactions made by John Martin Mirko is 19%.
    What is the average return per transaction made by John Martin Mirko?
    The average return per transaction made by John Martin Mirko is -20.60%.
      What stocks does John Martin Mirko hold?
      John Martin Mirko holds: TSE:RKR, ROCAF stocks.
        What was John Martin Mirko’s latest transaction?
        John Martin Mirko latest transaction was an Informative Buy of C$34.48K.
          What was John Martin Mirko's most profitable transaction?
          John Martin Mirko’s most profitable transaction was an Informative Buy of TSE:RKR stock on March 29, 2016. The return on the trade was 461.20%.
            What is John Martin Mirko's role in Rokmaster Resources?
            John Martin Mirko's role in Rokmaster Resources is President & Chief Executive Officer, Ten Percent Owner.
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