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William Stiritz Insider Profile
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William Stiritz, Director at Post Holdings, holds 4.85M shares in Post Holdings (Ticker: POST), holds 2.77M shares in Energizer Holdings (Ticker: ENR), holds 1.08M shares in Ball (Ticker: BALL). Most recently, William Stiritz Bought ― shares of Post Holdings on Jun 09, 2025 for an estimated value of 20.38M.
Profitable Transactions
5 out of 6 Profitable Transactions
Average Return
+14.50%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that William Stiritz holds in companies
Most Profitable Insider Trade
The most profitable trade made by William Stiritz
William Stiritz's Trading History
Post Holdings
Jun 09, 2025
Director
Informative Buy
20.38M
$523.11M
Energizer Holdings
―
Director
―
$67.10M
Ball
―
Director
―
$63.83M
Macy's
―
Director
―
$3.71M
Vail Resorts
Sep 24, 2009
Director
Uninformative Buy
―
$1.82M
List of latest transactions for each holding click on a transaction to see William Stiritz's performance on stock
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William Stiritz insider profile FAQ
What is the percentage of profitable transactions made by William Stiritz?
The percentage of profitable transactions made by William Stiritz is 83%.
What is the average return per transaction made by William Stiritz?
The average return per transaction made by William Stiritz is 14.50%.
What stocks does William Stiritz hold?
William Stiritz holds: POST, ENR, BALL, M, MTN stocks.
What was William Stiritz’s latest transaction?
William Stiritz latest transaction was an Informative Buy of $20.38M.
What was William Stiritz's most profitable transaction?
William Stiritz’s most profitable transaction was an Informative Buy of POST stock on February 9, 2016. The return on the trade was 38.40%.
What is William Stiritz's role in Post Holdings?
William Stiritz's role in Post Holdings is Director.
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