William Marshall Mauney Jr

POWL

William Marshall Mauney Jr serves as Vice President, R&D at Powell Industries, Inc. (POWL). This page tracks their complete SEC Form 4 insider trading history including stock purchases and sales.

Total Buys

0 trades

$0.00

Total Sells

3 trades

$1.30M

Net Position

Net Seller

$1.30M

Companies Traded

POWL

Active Period

Aug 2024 – Dec 2025

3 total trades

Most Recent

Sell POWL

Dec 22, 2025 · $995.2K

William Marshall Mauney Jr's Insider Trading at Powell Industries, Inc. (POWL)

Buys

0 · $0.00

Sells

3 · $1.30M

Total Shares Bought

Total Shares Sold

4,150

POWL Price Chart

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Date	Type	Shares	Avg Price	Value	Shares After
Dec 22, 2025	Sell	3,000	$331.73	$995.2K	4,451
Dec 6, 2024	Sell	1,000	$284.16	$284.2K	5,687
Aug 19, 2024	Sell	150	$163.76	$24.6K	7,190

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