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William Sandbrook Insider Profile
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William Sandbrook, Director at US Concrete, holds 11.67K shares in Comfort Systems (Ticker: FIX), holds 5.70K shares in Knife River Corporation (Ticker: KNF), holds 422.04K shares in US Concrete (Ticker: USCR). Most recently, William Sandbrook Sold ― shares of Comfort Systems on Sep 10, 2025 for an estimated value of $1.08M.
Profitable Transactions
3 out of 8 Profitable Transactions
Average Return
-20.40%
Average return per transaction
Time Frame
Compare to
Insider Holdings
Insider Roles
Roles that William Sandbrook holds in companies
Most Profitable Insider Trade
Stock:
US Concrete
(USCR)
(USCR)
Rating:Informative Buy
Date:Mar 19, 2014 - Mar 19, 2015
Return:+44.60%
The most profitable trade made by William Sandbrook
William Sandbrook's Trading History
US Concrete
Nov 27, 2020
―
Informative Sell
381.50K
$31.23M
Comfort Systems
Sep 10, 2025
Director
Informative Sell
1.08M
$9.38M
Knife River Corporation
May 27, 2025
Director
Uninformative Buy
―
$419.04K
List of latest transactions for each holding click on a transaction to see William Sandbrook's performance on stock
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William Sandbrook insider profile FAQ
What is the percentage of profitable transactions made by William Sandbrook?
The percentage of profitable transactions made by William Sandbrook is 38%.
What is the average return per transaction made by William Sandbrook?
The average return per transaction made by William Sandbrook is -20.40%.
What stocks does William Sandbrook hold?
William Sandbrook holds: USCR, FIX, KNF stocks.
What was William Sandbrook’s latest transaction?
William Sandbrook latest transaction was an Informative Sell of $1.08M.
What was William Sandbrook's most profitable transaction?
William Sandbrook’s most profitable transaction was an Informative Buy of USCR stock on March 19, 2014. The return on the trade was 44.60%.
What is William Sandbrook's role in US Concrete?
William Sandbrook's role in US Concrete is Director.
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