Education
About Us
Working with TipRanks
Follow Us
William Scully Insider Profile
4 Followers
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 #99,413 out of 103,225 Corporate Insiders
Profitable Transactions
3 out of 10 Profitable Transactions
Average Return
-54.10%
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
―
$7.93M
List of latest transactions for each holding click on a transaction to see William Scully's performance on stock
You May Also Like
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 30%.
What is the average return per transaction made by William Scully?
The average return per transaction made by William Scully is -54.10%.
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?
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.