MAUNEY WILLIAM MARSHALL JR

PrivateCIK: 2025220
Location

HOUSTON, TX

Senior insider sale

Vice President, R&D at POWELL INDUSTRIES INC — senior position signals high conviction

$1.01M

3K shares

What this filing means

MAUNEY WILLIAM MARSHALL JR plans to sell 3K shares of POWELL INDUSTRIES INC valued at approximately $1.01M. Form 144 is a notice of intent to sell restricted or control securities — not a mandatory transaction. This filing provides advance warning of potential selling pressure.

InsiderMAUNEY WILLIAM MARSHALL JRCIK 2025220
IssuerPOWELL INDUSTRIES INCCIK 80420
Officer· Vice President, R&D
Since May 2024
3K
Shares to sell
$1.01M
Approx. market value
3K
Acquired (3 months)
1
Planned
Securities Acquired — Last 3 Months1
Sort

Stock Award

Compensation

12/1/2025
3K
Total acquired3K
Planned & Completed Dispositions1
Sort
NASDAQPlanned

Units to sell

3K

Market value

$1.01M

12/19/2025
Total

Units

3K

Value

$1.01M

MAUNEY WILLIAM MARSHALL JR — Planned Insider Sale (Form 144) | Finecho