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John S. Vieceli Insider Profile

4 Followers
John S. Vieceli, CPO at Quantum-Si, holds 842.59K shares in Quantum-Si (Ticker: QSI). Most recently, John S. Vieceli Sold $21,923 shares of Quantum-Si on Jun 24, 2025 for an estimated value of 35.30K.
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John S. Vieceli

John S. Vieceli
Quantum-Si (QSI)
CPO

Ranked #88,219 out of 102,674 Corporate Insiders

Profitable Transactions

25%
1 out of 4 Profitable Transactions

Average Return

-34.40%
Average return per transaction
Time Frame
1 Year
Compare to
No Benchmark

Insider Holdings

$1M
100.00%
A breakdown of John S. Vieceli's holdings

Insider Roles

Quantum-Si
(QSI)
CPO
Roles that John S. Vieceli holds in companies

Most Profitable Insider Trade

Stock:
Quantum-Si
(QSI)
Rating:Informative Sell
Date:Dec 26, 2024 - Today
Return:+10.20%
The most profitable trade made by John S. Vieceli

John S. Vieceli's Trading History

Company Name
Last Transaction Date
Insider Position
Last Transaction
Last Transaction Amount
Holding Value
Quantum-Si
Jun 24, 2025
CPO
Informative Sell
35.30K
$1.25M
Success Rate for
QSI
1 out of 4 profitable transactions on
QSI
25%
Average Return for
QSI
Average return per transaction on
QSI
-34.42%
Date
Transaction
Amount
No. of Shares
Price per Share
Profit
Link to Report
Mar 14, 2025
Uninformative Buy
$0.00
-
$0.00
Sep 25, 2024
Informative Sell
$4.03K
-
$0.93
-114.90%
Dec 26, 2024
Informative Sell
$5.55K
-
$1.29
+10.20%
Mar 24, 2025
Informative Sell
$5.96K
-
$1.38
-30.40%
Jun 24, 2025
Informative Sell
$35.30K
-
$1.61
-2.60%
List of latest transactions for each holding click on a transaction to see John S. Vieceli's performance on stock

John S. Vieceli insider profile FAQ

What is the percentage of profitable transactions made by John S. Vieceli?
The percentage of profitable transactions made by John S. Vieceli is 25%.
    What is the average return per transaction made by John S. Vieceli?
    The average return per transaction made by John S. Vieceli is -34.40%.
      What stocks does John S. Vieceli hold?
      John S. Vieceli holds: QSI stocks.
        What was John S. Vieceli’s latest transaction?
        John S. Vieceli latest transaction was an Informative Sell of $35.30K.
          What was John S. Vieceli's most profitable transaction?
          John S. Vieceli’s most profitable transaction was an Informative Sell of QSI stock on December 26, 2024. The return on the trade was 10.20%.
            What is John S. Vieceli's role in Quantum-Si?
            John S. Vieceli's role in Quantum-Si is CPO.
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