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Abraham Hendrik Jonker Insider Profile

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Abraham Hendrik Jonker, Chief Financial Officer at CoTec Holdings, holds 7.92M shares in CoTec Holdings (Ticker: TSE:CTH), holds 4.29M shares in Firestone Diamonds (Ticker: GB:FDI), holds 15.00K shares in Century Lithium (Ticker: TSE:LCE). Most recently, Abraham Hendrik Jonker Bought ― shares of CoTec Holdings on Jul 04, 2026 for an estimated value of C$60.86K.
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Abraham Hendrik Jonker

Abraham Hendrik Jonker
CoTec Holdings (CTH)
Chief Financial Officer

Ranked #110 out of 109,106 Corporate Insiders

Profitable Transactions

70%
52 out of 74 Profitable Transactions

Average Return

+45.70%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

C$37M
73.38%
26.61%
<0.01%
A breakdown of Abraham Hendrik Jonker's holdings
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Insider Roles

Mako Mining Corp
(MKO)
Director
CoTec Holdings
(CTH)
Chief Financial Officer
Century Lithium
(LCE)
Senior Officer
Roles that Abraham Hendrik Jonker holds in companies
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Most Profitable Insider Trade

Stock:
CoTec Holdings
(CTH)
Rating:Informative Buy
Date:Nov 30, 2024 - Nov 30, 2025
Return:+270.00%
The most profitable trade made by Abraham Hendrik Jonker
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Abraham Hendrik Jonker's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
CTH
CoTec Holdings
Jul 04, 2026
Chief Financial Officer
Informative Buy
60.86K
C$9.97M
FDI
Firestone Diamonds
Oct 10, 2013
―
Informative Buy
56.04K
£472.25
LCE
Century Lithium
―
Senior Officer
―
C$3.60K
MKO
Mako Mining Corp
Jan 17, 2017
Director
Informative Buy
25.00K
C$27.50M
MND
Mandalay Resources
Jul 16, 2024
―
Informative Sell
489.62K
C$0.00
List of latest transactions for each holding click on a transaction to see Abraham Hendrik Jonker's performance on stock
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Abraham Hendrik Jonker insider profile FAQ

What is the percentage of profitable transactions made by Abraham Hendrik Jonker?
The percentage of profitable transactions made by Abraham Hendrik Jonker is 70%.
    What is the average return per transaction made by Abraham Hendrik Jonker?
    The average return per transaction made by Abraham Hendrik Jonker is 45.70%.
      What stocks does Abraham Hendrik Jonker hold?
      Abraham Hendrik Jonker holds: TSE:CTH, GB:FDI, TSE:LCE, TSE:MKO, TSE:MND stocks.
        What was Abraham Hendrik Jonker’s latest transaction?
        Abraham Hendrik Jonker latest transaction was an Informative Buy of C$60.86K.
          What was Abraham Hendrik Jonker's most profitable transaction?
          Abraham Hendrik Jonker’s most profitable transaction was an Informative Buy of TSE:CTH stock on November 30, 2024. The return on the trade was 270.00%.
            What is Abraham Hendrik Jonker's role in CoTec Holdings?
            Abraham Hendrik Jonker's role in CoTec Holdings is Chief Financial Officer.
              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.