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William Scully Insider Profile
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William Scully, Ten Percent Owner at Yield10 Bioscience, holds 926.94K shares in Prothena (Ticker: PRTA), holds 3.17M shares in Yield10 Bioscience (Ticker: YTENQ).
William Scully Yield10 Bioscience (YTENQ)Ten Percent Owner
Yield10 Bioscience (YTENQ)
Ten Percent Owner
Ranked #99,222 out of 102,830 Corporate Insiders
Profitable Transactions
2 out of 10 Profitable Transactions
Average Return
-56.40%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that William Scully holds in companies
Most Profitable Insider Trade
Stock:
Rating:Informative Sell
Date:Sep 12, 2016 - Sep 12, 2017
Return:+5.50%
The most profitable trade made by William Scully
William Scully's Trading History
Yield10 Bioscience
Sep 14, 2016
Ten Percent Owner
Informative Sell
22.10K
$47.51K
Prothena
May 02, 2025
Ten Percent Owner
Uninformative Buy
―
$7.34M
List of latest transactions for each holding click on a transaction to see William Scully's performance on stock
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William Scully insider profile FAQ
What is the percentage of profitable transactions made by William Scully?
The percentage of profitable transactions made by William Scully is 20%.
What is the average return per transaction made by William Scully?
The average return per transaction made by William Scully is -56.40%.
What stocks does William Scully hold?
William Scully holds: YTENQ, PRTA stocks.
What was William Scully’s latest transaction?
William Scully latest transaction was an Uninformative Buy of ―.
What was William Scully's most profitable transaction?
William Scully’s most profitable transaction was an Informative Sell of YTENQ stock on September 12, 2016. The return on the trade was 5.50%.
What is William Scully's role in Yield10 Bioscience?
William Scully's role in Yield10 Bioscience is Ten Percent Owner.
How can I follow the stock ratings of top corporate insiders?
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