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Karl Jakob Martens Insider Profile

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Karl Jakob Martens, Senior Officer at Marwest Apartment REIT, holds 374.29K shares in Marwest Apartment REIT (Ticker: TSE:MAR.UN). Most recently, Karl Jakob Martens Bought 9,825 shares of Marwest Apartment REIT on Dec 20, 2025 for an estimated value of C$7.31K.
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Karl Jakob Martens

Karl Jakob Martens
Marwest Apartment REIT (MAR.UN)
Senior Officer

Ranked #76,402 out of 107,360 Corporate Insiders

Profitable Transactions

50%
3 out of 6 Profitable Transactions

Average Return

-11.90%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

C$292K
100.00%
A breakdown of Karl Jakob Martens's holdings
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Insider Roles

Marwest Apartment REIT
(MAR.UN)
Senior Officer
Roles that Karl Jakob Martens holds in companies
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Most Profitable Insider Trade

Stock:
Marwest Apartment REIT
(MAR.UN)
Rating:Informative Buy
Date:Oct 18, 2025 - Today
Return:+5.40%
The most profitable trade made by Karl Jakob Martens
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Karl Jakob Martens's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
MAR.UN
Marwest Apartment REIT
Dec 20, 2025
Senior Officer
Informative Buy
7.31K
C$291.94K
Success Rate for
MAR.UN
3 out of 6 profitable transactions on
MAR.UN
50%
Average Return for
MAR.UN
Average return per transaction on
MAR.UN
-11.93%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Dec 17, 2021
Informative Buy
C$11.70K
15,000
C$0.78
+0.50%
Dec 21, 2021
Informative Buy
C$11.70K
15,000
C$0.78
-33.30%
Jun 29, 2022
Informative Buy
C$15.96K
21,000
C$0.76
-23.30%
Jul 01, 2022
Informative Buy
C$11.20K
14,000
C$0.80
-25.20%
Oct 18, 2025
Informative Buy
C$50.00K
62,500
C$0.80
+5.40%
List of latest transactions for each holding click on a transaction to see Karl Jakob Martens's performance on stock
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Karl Jakob Martens insider profile FAQ

What is the percentage of profitable transactions made by Karl Jakob Martens?
The percentage of profitable transactions made by Karl Jakob Martens is 50%.
    What is the average return per transaction made by Karl Jakob Martens?
    The average return per transaction made by Karl Jakob Martens is -11.90%.
      What stocks does Karl Jakob Martens hold?
      Karl Jakob Martens holds: TSE:MAR.UN stocks.
        What was Karl Jakob Martens’s latest transaction?
        Karl Jakob Martens latest transaction was an Informative Buy of C$7.31K.
          What was Karl Jakob Martens's most profitable transaction?
          Karl Jakob Martens’s most profitable transaction was an Informative Buy of TSE:MAR.UN stock on October 18, 2025. The return on the trade was 5.40%.
            What is Karl Jakob Martens's role in Marwest Apartment REIT?
            Karl Jakob Martens's role in Marwest Apartment REIT is Senior 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.