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Stephen Blair Insider Profile

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Stephen Blair, Chief Executive Officer at Dialight, holds 118.48K shares in Dialight (Ticker: GB:DIA), holds 139.34K shares in E2V Technologies PLC (Ticker: ETVVF), holds 393.00 shares in Spectris (Ticker: GB:SXS). Most recently, Stephen Blair Bought ― shares of Dialight on Jul 22, 2026 for an estimated value of 29.70K .
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Stephen Blair

Stephen Blair
Dialight (DIA)
Chief Executive Officer

Ranked #9,563 out of 108,699 Corporate Insiders

Profitable Transactions

80%
8 out of 10 Profitable Transactions

Average Return

+20.60%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

£911K
100.00%
A breakdown of Stephen Blair's holdings
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Insider Roles

Dialight
(DIA)
Chief Executive Officer
Roles that Stephen Blair holds in companies
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Most Profitable Insider Trade

Stock:
Dialight
(DIA)
Rating:Informative Buy
Date:Jul 03, 2025 - Jul 03, 2026
Return:+117.80%
The most profitable trade made by Stephen Blair
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Stephen Blair's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
DIA
Dialight
Jul 22, 2026
Chief Executive Officer
Informative Buy
29.70K
£670.59K
ETVVF
E2V Technologies PLC
Nov 07, 2016
―
Informative Buy
18.80K
$297.77K
SXS
Spectris
Jun 10, 2013
―
Informative Buy
7.96K
£16.27K
List of latest transactions for each holding click on a transaction to see Stephen Blair's performance on stock
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Stephen Blair insider profile FAQ

What is the percentage of profitable transactions made by Stephen Blair?
The percentage of profitable transactions made by Stephen Blair is 80%.
    What is the average return per transaction made by Stephen Blair?
    The average return per transaction made by Stephen Blair is 20.60%.
      What stocks does Stephen Blair hold?
      Stephen Blair holds: GB:DIA, ETVVF, GB:SXS stocks.
        What was Stephen Blair’s latest transaction?
        Stephen Blair latest transaction was an Informative Buy of 29.70K .
          What was Stephen Blair's most profitable transaction?
          Stephen Blair’s most profitable transaction was an Informative Buy of GB:DIA stock on July 3, 2025. The return on the trade was 117.80%.
            What is Stephen Blair's role in Dialight?
            Stephen Blair's role in Dialight is Chief Executive 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.