WS
Insider
William J Sandbrook
DirectorWilliam J Sandbrook (Director) filed 2 Form 4 reports in the trailing twelve months (0 purchases, 2 sales), most often in Comfort Systems USA, Inc. (FIX). The largest single filing was $3.6M of FIX (2,500 sh × $1,443.32, as filed), executed Feb 24.
Add to watchlistReturn, ttmiAverage return per filing, trailing twelve months
–
no purchases on file
Delay-adjustediThe same average, entered at disclosure dates
–
returns measure stock purchases only
Filings, ttm
2
0 buys · 2 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$6.2M
shares × price, as filed
Last traded
Apr 29
Filed Apr 30
Median ADV $793.5M across their filed names
Open performance→Volume by month
Buys $0
Sells $7.7M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Industrials
2 filings
Sector per market data · by filing · past 12 months
Most traded names
FIXRecent filings
FIXSALE
Comfort Systems USA, Inc.
View filing →
$2.6M1,500 sh × $1,732.67
Exec Apr 29
Filed Apr 30 · 5:30 PM ET FIXSALE Comfort Systems USA, Inc. View filing → $3.6M
2,500 sh × $1,443.32
Exec Feb 24
Filed Feb 26 · 5:30 PM ET FIXSALE Comfort Systems USA, Inc. View filing → $1.0M
1,400 sh across 2 lots
Exec Sep 9 2025
Filed Sep 10 2025 · 5:30 PM ET FIXSALE Comfort Systems USA, Inc. View filing → $483K
700 sh × $689.58
Exec Aug 25 2025
Filed Aug 27 2025 · 5:30 PM ET