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Mike Armitage Insider Profile

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Mike Armitage, Director at Tertiary Minerals, holds 28.82M shares in Tertiary Minerals (Ticker: GB:TYM), holds 4.70K shares in Atalaya Mining (Ticker: GB:ATYM), holds 24.49K shares in Central Asia Metals (Ticker: GB:CAML). Most recently, Mike Armitage Bought ― shares of Tertiary Minerals on Jun 29, 2026 for an estimated value of 10.00K .
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Mike Armitage

Mike Armitage
Tertiary Minerals (TYM)
Director

Ranked #61,695 out of 109,232 Corporate Insiders

Profitable Transactions

40%
2 out of 5 Profitable Transactions

Average Return

-3.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

£105K
47.10%
35.91%
16.99%
A breakdown of Mike Armitage's holdings
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Insider Roles

Atalaya Mining
(ATYM)
Director
Central Asia Metals
(CAML)
Director
Tertiary Minerals
(TYM)
Director
Roles that Mike Armitage holds in companies
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Most Profitable Insider Trade

Stock:
Tertiary Minerals
(TYM)
Rating:Informative Buy
Date:Jun 29, 2026 - Today
Return:+15.30%
The most profitable trade made by Mike Armitage
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Mike Armitage's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
TYM
Tertiary Minerals
Jun 29, 2026
Director
Informative Buy
10.00K
£17.87K
CAML
Central Asia Metals
Mar 30, 2023
Director
Informative Buy
20.00K
£37.76K
ATYM
Atalaya Mining
Jan 28, 2026
Director
Informative Buy
40.00K
£49.53K
List of latest transactions for each holding click on a transaction to see Mike Armitage's performance on stock
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Mike Armitage insider profile FAQ

What is the percentage of profitable transactions made by Mike Armitage?
The percentage of profitable transactions made by Mike Armitage is 40%.
    What is the average return per transaction made by Mike Armitage?
    The average return per transaction made by Mike Armitage is -3.60%.
      What stocks does Mike Armitage hold?
      Mike Armitage holds: GB:TYM, GB:CAML, GB:ATYM stocks.
        What was Mike Armitage’s latest transaction?
        Mike Armitage latest transaction was an Informative Buy of 10.00K .
          What was Mike Armitage's most profitable transaction?
          Mike Armitage’s most profitable transaction was an Informative Buy of GB:TYM stock on June 29, 2026. The return on the trade was 15.30%.
            What is Mike Armitage's role in Tertiary Minerals?
            Mike Armitage's role in Tertiary Minerals is Director.
              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.