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Graham John William Duncan Insider Profile

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Graham John William Duncan, Director at RentGuarantor Holdings PLC, holds 653.33K shares in RentGuarantor Holdings PLC (Ticker: GB:RGG), holds 117.25M shares in Mosman Oil and Gas (Ticker: GB:QHE), holds ― shares in BSF Enterprise PLC (Ticker: GB:BSFA). Most recently, Graham John William Duncan Bought ― shares of RentGuarantor Holdings PLC on Sep 09, 2026 for an estimated value of 18.80K .
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Graham John William Duncan

Graham John William Duncan
RentGuarantor Holdings PLC (RGG)
Director

Ranked #14,383 out of 109,193 Corporate Insiders

Profitable Transactions

17%
1 out of 6 Profitable Transactions

Average Return

+26.80%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

£3M
72.30%
27.70%
0.00%
0.00%
A breakdown of Graham John William Duncan's holdings
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Insider Roles

Mosman Oil and Gas
(QHE)
Director
RentGuarantor Holdings PLC
(RGG)
Director
BSF Enterprise PLC
(BSFA)
Chief Financial Officer
Aterian PLC
(ATN)
Chief Financial Officer
Roles that Graham John William Duncan holds in companies
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Most Profitable Insider Trade

Stock:
RentGuarantor Holdings PLC
(RGG)
Rating:Informative Buy
Date:Oct 14, 2025 - Today
Return:+363.70%
The most profitable trade made by Graham John William Duncan
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Graham John William Duncan's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
RGG
RentGuarantor Holdings PLC
Sep 09, 2026
Director
Informative Buy
18.80K
£718.67K
QHE
Mosman Oil and Gas
Apr 23, 2026
Director
Informative Buy
5.10K
£1.88M
BSFA
BSF Enterprise PLC
Jun 18, 2024
Chief Financial Officer
Informative Buy
5.80K
―
ATN
Aterian PLC
May 30, 2023
Chief Financial Officer
Informative Buy
20.00K
―
List of latest transactions for each holding click on a transaction to see Graham John William Duncan's performance on stock
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Graham John William Duncan insider profile FAQ

What is the percentage of profitable transactions made by Graham John William Duncan?
The percentage of profitable transactions made by Graham John William Duncan is 17%.
    What is the average return per transaction made by Graham John William Duncan?
    The average return per transaction made by Graham John William Duncan is 26.80%.
      What stocks does Graham John William Duncan hold?
      Graham John William Duncan holds: GB:RGG, GB:QHE, GB:BSFA, GB:ATN stocks.
        What was Graham John William Duncan’s latest transaction?
        Graham John William Duncan latest transaction was an Informative Buy of 18.80K .
          What was Graham John William Duncan's most profitable transaction?
          Graham John William Duncan’s most profitable transaction was an Informative Buy of GB:RGG stock on October 14, 2025. The return on the trade was 363.70%.
            What is Graham John William Duncan's role in RentGuarantor Holdings PLC?
            Graham John William Duncan's role in RentGuarantor Holdings PLC is Director.
              How can I follow the stock ratings of top corporate insiders?
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