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Thomas Kempster Insider Profile

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Thomas Kempster, Director at Data Storage, holds 18.50K shares in Data Storage (Ticker: DTST). Most recently, Thomas Kempster Sold 3,500 shares of Data Storage on Sep 14, 2026 for an estimated value of $10.22K.
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Thomas Kempster

Thomas Kempster
Data Storage (DTST)
Director

Ranked #39,529 out of 109,193 Corporate Insiders

Profitable Transactions

33%
1 out of 3 Profitable Transactions

Average Return

+9.90%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

$61K
100.00%
A breakdown of Thomas Kempster's holdings
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Insider Roles

Data Storage
(DTST)
Director
Roles that Thomas Kempster holds in companies
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Most Profitable Insider Trade

Stock:
Data Storage
(DTST)
Rating:Informative Sell
Date:Dec 12, 2025 - Today
Return:+37.40%
The most profitable trade made by Thomas Kempster
See the Latest Stocks Traded by Insiders

Thomas Kempster's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
DTST
Data Storage
Sep 14, 2026
Director
Informative Sell
10.22K
$60.68K
Success Rate for
DTST
1 out of 3 profitable transactions on
DTST
33%
Average Return for
DTST
Average return per transaction on
DTST
+9.97%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Jan 04, 2024
Uninformative Buy
$0.00
17,065
$0.00
―
Mar 05, 2024
Uninformative Buy
$20.39K
4,902
$4.16
―
Apr 12, 2024
Uninformative Buy
$45.41K
8,333
$5.45
―
Dec 12, 2024
Uninformative Buy
$6.00K
2,500
$2.40
―
Mar 04, 2025
Uninformative Buy
$14.01K
3,529
$3.97
―
List of latest transactions for each holding click on a transaction to see Thomas Kempster's performance on stock
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Thomas Kempster insider profile FAQ

What is the percentage of profitable transactions made by Thomas Kempster?
The percentage of profitable transactions made by Thomas Kempster is 33%.
    What is the average return per transaction made by Thomas Kempster?
    The average return per transaction made by Thomas Kempster is 9.90%.
      What stocks does Thomas Kempster hold?
      Thomas Kempster holds: DTST stocks.
        What was Thomas Kempster’s latest transaction?
        Thomas Kempster latest transaction was an Informative Sell of $10.22K.
          What was Thomas Kempster's most profitable transaction?
          Thomas Kempster’s most profitable transaction was an Informative Sell of DTST stock on December 12, 2025. The return on the trade was 37.40%.
            What is Thomas Kempster's role in Data Storage?
            Thomas Kempster's role in Data Storage is Director.
              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.