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Charles John.Arthur Holroyd Insider Profile
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Charles John.Arthur Holroyd, Director at Judges Scientific, holds 7.75K shares in Judges Scientific (Ticker: GB:JDG), holds 6.65K shares in Dewhurst (Ticker: GB:DWHA), holds 78.69K shares in Oxford Instruments (Ticker: OXINF). Most recently, Charles John.Arthur Holroyd Bought ― shares of Judges Scientific on Jul 25, 2025 for an estimated value of 34.98K.
Charles John.Arthur Holroyd Judges Scientific (JDG)Director
Judges Scientific (JDG)
Director
Ranked #53,964 out of 103,225 Corporate Insiders
Profitable Transactions
2 out of 5 Profitable Transactions
Average Return
-1.20%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that Charles John.Arthur Holroyd holds in companies
Most Profitable Insider Trade
The most profitable trade made by Charles John.Arthur Holroyd
Charles John.Arthur Holroyd's Trading History
Judges Scientific
Jul 25, 2025
Director
Informative Buy
34.98K
£534.54K
Oxford Instruments
Dec 17, 2012
Operations Director
Uninformative Sell
147.47K
$1.98M
Dewhurst
Jul 08, 2021
Director
Informative Buy
35.00K
£41.56K
List of latest transactions for each holding click on a transaction to see Charles John.Arthur Holroyd's performance on stock
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Charles John.Arthur Holroyd insider profile FAQ
What is the percentage of profitable transactions made by Charles John.Arthur Holroyd?
The percentage of profitable transactions made by Charles John.Arthur Holroyd is 40%.
What is the average return per transaction made by Charles John.Arthur Holroyd?
The average return per transaction made by Charles John.Arthur Holroyd is -1.20%.
What stocks does Charles John.Arthur Holroyd hold?
Charles John.Arthur Holroyd holds: GB:JDG, OXINF, GB:DWHA stocks.
What was Charles John.Arthur Holroyd’s latest transaction?
Charles John.Arthur Holroyd latest transaction was an Informative Buy of 34.98K.
What was Charles John.Arthur Holroyd's most profitable transaction?
Charles John.Arthur Holroyd’s most profitable transaction was an Informative Buy of GB:JDG stock on July 27, 2018. The return on the trade was 40.50%.
What is Charles John.Arthur Holroyd's role in Judges Scientific?
Charles John.Arthur Holroyd's role in Judges Scientific is Director.
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