MAUNEY WILLIAM MARSHALL JR

PrivateCIK: 2025220
Location

HOUSTON, TX

MAUNEY WILLIAM MARSHALL JR (Vice President, R&D) sold 40.3% of their position (3K shares) of POWELL INDUSTRIES INC on the open market

Open‑market sale worth $995.2K — a major position exit. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 1 sale
InsiderMAUNEY WILLIAM MARSHALL JRCIK 2025220
IssuerPOWELL INDUSTRIES INCCIK 80420
Officer· Vice President, R&D
Since May 2024
-3K
Net shares
Net seller
$995.2K
Total sold
1
Open market trades
0B · 1S
1
Total transactions
3K disposed
Non-Derivative Transactions1

Common Stock

Direct
S · Sale

Shares

3K

Price / share

$331.73

Trade value

$995.19K

% of position

40.3%
12/19/2025
7.45K4.45K
Total

Net shares

3K

Net value

-$995.19K

Derivative Transactions0
No derivative transactions reported
MAUNEY WILLIAM MARSHALL JR — Insider Transaction (Form 4) Filed Dec 22, 2025 | Finecho