InsiderFlow

William Marshall Mauney Jr

POWL

William Marshall Mauney Jr serves as officer: 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

4 trades

$2.11M

Net Position

Net Seller

$2.11M

Companies Traded

1

POWL

Active Period

Aug 2024 – May 2026

4 total trades

Most Recent

Sell POWL

May 13, 2026 · $809.2K

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

Buys

0 · $0.00

Sells

4 · $2.11M

Total Shares Bought

0

Total Shares Sold

6,650

POWL Price Chart
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DateTypeValue
May 13, 2026 Sell$809.2K
Dec 22, 2025 Sell$995.2K
Dec 6, 2024 Sell$284.2K
Aug 19, 2024 Sell$24.6K