John Joseph Johnston Insider Profile
4 Followers
John Joseph Johnston, Director at MaxCyte, holds 171.16K shares in MaxCyte (Ticker: MXCT), holds 7.14M shares in Flowgroup (Ticker: GB:FLOW).
Profitable Transactions
1 out of 3 Profitable Transactions
Average Return
-12.30%
Average return per transaction
Time Frame
Compare to
Insider Holdings
100.00%
A breakdown of John Joseph Johnston's holdings
Insider Roles
Director
Roles that John Joseph Johnston holds in companies
Most Profitable Insider Trade
Stock:
Flowgroup
(FLOW)
(FLOW)
Rating:Informative Buy
Date:Mar 05, 2014 - Mar 05, 2015
Return:-3.00%
The most profitable trade made by John Joseph Johnston
John Joseph Johnston's Trading History
MaxCyte
Jun 23, 2025
Director
Uninformative Buy
―
$144.29K
Flowgroup
Jun 15, 2017
―
Informative Buy
61.16K
£714.33
List of latest transactions for each holding click on a transaction to see John Joseph Johnston's performance on stock
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John Joseph Johnston insider profile FAQ
What is the percentage of profitable transactions made by John Joseph Johnston?
The percentage of profitable transactions made by John Joseph Johnston is 33%.
What is the average return per transaction made by John Joseph Johnston?
The average return per transaction made by John Joseph Johnston is -12.30%.
What stocks does John Joseph Johnston hold?
John Joseph Johnston holds: MXCT, GB:FLOW stocks.
What was John Joseph Johnston’s latest transaction?
John Joseph Johnston latest transaction was an Uninformative Buy of ―.
What was John Joseph Johnston's most profitable transaction?
John Joseph Johnston’s most profitable transaction was an Informative Buy of GB:FLOW stock on March 5, 2014. The return on the trade was -3.00%.
What is John Joseph Johnston's role in MaxCyte?
John Joseph Johnston's role in MaxCyte is Director.
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