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Matthew John Mason Insider Profile

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Matthew John Mason, Ten Percent Owner at Stallion Gold Corp, holds 24.57M shares in Stallion Gold Corp (Ticker: TSE:STUD), holds 16.20M shares in Atha Energy Corp. (Ticker: TSE:SASK), holds 3.88M shares in FinCanna Capital Corp (Ticker: TSE:CALI.X).
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Matthew John Mason

Matthew John Mason
Stallion Gold Corp (STUD)
Ten Percent Owner

Ranked #13,838 out of 108,814 Corporate Insiders

Profitable Transactions

40%
2 out of 5 Profitable Transactions

Average Return

+33.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$183M
87.59%
10.44%
1.88%
0.07%
0.01% Others
A breakdown of Matthew John Mason's holdings
See the Top Stocks by Insiders

Insider Roles

NexGen Energy
(NXE)
Ten Percent Owner
Atha Energy Corp.
(SASK)
Shareholder
Stallion Gold Corp
(STUD)
Ten Percent Owner
Southern Energy
(SOUTF)
Director
+1 other positions
Roles that Matthew John Mason holds in companies
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Most Profitable Insider Trade

Stock:
Stallion Gold Corp
(STUD)
Rating:Informative Buy
Date:Apr 25, 2025 - Apr 25, 2026
Return:+173.00%
The most profitable trade made by Matthew John Mason
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Matthew John Mason's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
STUD
Stallion Gold Corp
Nov 25, 2025
Ten Percent Owner
Uninformative Buy
450.00K
C$3.56M
CALI.X
FinCanna Capital Corp
Mar 10, 2017
―
Informative Buy
356.50K
C$38.77K
NXE
NexGen Energy
Feb 26, 2014
Ten Percent Owner
Informative Buy
666.67K
$165.70M
ARIZF
Affinity Metals
Jan 10, 2012
Ten Percent Owner
Informative Buy
2.71K
$19.23K
SOUTF
Southern Energy
Dec 24, 2009
Director
Informative Buy
560.00K
$130.37K
SASK
Atha Energy Corp.
Mar 25, 2024
Shareholder
Informative Buy
61.60K
C$19.76M
List of latest transactions for each holding click on a transaction to see Matthew John Mason's performance on stock
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Matthew John Mason insider profile FAQ

What is the percentage of profitable transactions made by Matthew John Mason?
The percentage of profitable transactions made by Matthew John Mason is 40%.
    What is the average return per transaction made by Matthew John Mason?
    The average return per transaction made by Matthew John Mason is 33.60%.
      What stocks does Matthew John Mason hold?
      Matthew John Mason holds: TSE:STUD, TSE:CALI.X, NXE, ARIZF, SOUTF, TSE:SASK stocks.
        What was Matthew John Mason’s latest transaction?
        Matthew John Mason latest transaction was an Uninformative Buy of C$450.00K.
          What was Matthew John Mason's most profitable transaction?
          Matthew John Mason’s most profitable transaction was an Informative Buy of TSE:STUD stock on April 25, 2025. The return on the trade was 173.00%.
            What is Matthew John Mason's role in Stallion Gold Corp?
            Matthew John Mason's role in Stallion Gold Corp is Ten Percent Owner.
              How can I follow the stock ratings of top corporate insiders?
              Head over to our Expert Center to see a list of the Top 100 corporate insiders and follow the corporate insiders of your choice. Visit their profiles for more details about their stock transactions and see how they perform on a stock-by-stock basis.