JB
Insider
John Birchall
Managing DirectorJohn Birchall (Managing Director) filed 1 Form 4 report in the trailing twelve months (0 purchases, 1 sale), most often in Powell Industries, Inc. (POWL). The largest single filing was $1.4M of POWL (2,400 sh × $582.50, as filed), executed Feb 9.
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
1
0 buys · 1 sells
Median delay
–
execution → disclosure
Volume, ttmiDollar value disclosed in the trailing twelve months
$1.4M
shares × price, as filed
Last traded
Feb 9
Filed Feb 10
Median ADV $150.5M across their filed names
Open performance→Volume by month
Buys $0
Sells $2.7M
Shares × price, as filed · by filing month · past 24 months
Sectors filed on
Industrials
1 filing
Sector per market data · by filing · past 12 months
Most traded names
POWLRecent filings
POWLSALE
Powell Industries, Inc.
View filing →
$1.4M2,400 sh × $582.50
Exec Feb 9
Filed Feb 10 · 5:30 PM ET POWLSALE Powell Industries, Inc. View filing → $780K
3,000 sh × $260.03
Exec Aug 26 2025
Filed Aug 27 2025 · 5:30 PM ET POWLSALE Powell Industries, Inc. View filing → $493K
1,700 sh × $290.00
Exec Dec 4 2024
Filed Dec 4 2024 · 5:30 PM ET