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Jonathan Charles Emms Insider Profile

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Jonathan Charles Emms, Chief Operating Officer at Circassia Pharmaceuticals, holds 3.66M shares in Circassia Pharmaceuticals (Ticker: GB:NIOX). Most recently, Jonathan Charles Emms Sold 325,273 shares of Circassia Pharmaceuticals on Apr 17, 2026 for an estimated value of 183.45K .
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Jonathan Charles Emms

Jonathan Charles Emms
Circassia Pharmaceuticals (NIOX)
Chief Operating Officer

Ranked #42,901 out of 107,360 Corporate Insiders

Profitable Transactions

45%
5 out of 11 Profitable Transactions

Average Return

+1.10%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark
How are Insiders Ranked?

Insider Holdings

£2M
100.00%
A breakdown of Jonathan Charles Emms's holdings
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Insider Roles

Circassia Pharmaceuticals
(NIOX)
Chief Operating Officer
Roles that Jonathan Charles Emms holds in companies
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Most Profitable Insider Trade

Stock:
Circassia Pharmaceuticals
(NIOX)
Rating:Informative Buy
Date:Oct 01, 2019 - Oct 01, 2020
Return:+63.60%
The most profitable trade made by Jonathan Charles Emms
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Jonathan Charles Emms's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
NIOX
Circassia Pharmaceuticals
Apr 17, 2026
Chief Operating Officer
Informative Sell
183.45K
£2.22M
Success Rate for
NIOX
5 out of 11 profitable transactions on
NIOX
45%
Average Return for
NIOX
Average return per transaction on
NIOX
+1.15%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Oct 01, 2019
Informative Buy
£49.53K
300,000
£17.00
+63.60%
Apr 14, 2020
Informative Buy
£69.60K
300,000
£23.00
+10.30%
Apr 06, 2021
Informative Buy
£19.98K
67,928
£29.00
+19.30%
Sep 17, 2021
Informative Buy
£9.99K
26,921
£37.00
-0.90%
Mar 29, 2022
Informative Buy
£5.39K
15,079
£36.00
+17.80%
List of latest transactions for each holding click on a transaction to see Jonathan Charles Emms's performance on stock
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Jonathan Charles Emms insider profile FAQ

What is the percentage of profitable transactions made by Jonathan Charles Emms?
The percentage of profitable transactions made by Jonathan Charles Emms is 45%.
    What is the average return per transaction made by Jonathan Charles Emms?
    The average return per transaction made by Jonathan Charles Emms is 1.10%.
      What stocks does Jonathan Charles Emms hold?
      Jonathan Charles Emms holds: GB:NIOX stocks.
        What was Jonathan Charles Emms’s latest transaction?
        Jonathan Charles Emms latest transaction was an Informative Sell of 183.45K .
          What was Jonathan Charles Emms's most profitable transaction?
          Jonathan Charles Emms’s most profitable transaction was an Informative Buy of GB:NIOX stock on October 1, 2019. The return on the trade was 63.60%.
            What is Jonathan Charles Emms's role in Circassia Pharmaceuticals?
            Jonathan Charles Emms's role in Circassia Pharmaceuticals is Chief Operating 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.