MAUNEY WILLIAM MARSHALL JR

PrivateCIK: 2025220
Location

HOUSTON, TX

MAUNEY WILLIAM MARSHALL JR (Vice President, R&D) sold 18.7% of their position (2.50K shares) of POWELL INDUSTRIES INC on the open market

Open‑market sale worth $809.2K — a significant reduction. Review remaining holdings and any 10b5‑1 plan disclosures.

S · 7 sales
InsiderMAUNEY WILLIAM MARSHALL JRCIK 2025220
IssuerPOWELL INDUSTRIES INCCIK 80420
Officer· Vice President, R&D
Since May 2024
-2.50K
Net shares
Net seller
$809.2K
Total sold
7
Open market trades
0B · 7S
7
Total transactions
2.50K disposed
Non-Derivative Transactions7

Common Stock

Direct
S · Sale

Shares

927.00

Price / share

$321.86

Trade value

$298.36K

% of position

6.9%
5/11/2026
13.35K12.43K

Common Stock

Direct
S · Sale

Shares

386.00

Price / share

$322.70

Trade value

$124.56K

% of position

3.1%
5/11/2026
12.43K12.04K

Common Stock

Direct
S · Sale

Shares

176.00

Price / share

$323.82

Trade value

$56.99K

% of position

1.5%
5/11/2026
12.04K11.86K

Common Stock

Direct
S · Sale

Shares

313.00

Price / share

$324.87

Trade value

$101.68K

% of position

2.6%
5/11/2026
11.86K11.55K

Common Stock

Direct
S · Sale

Shares

623.00

Price / share

$325.97

Trade value

$203.08K

% of position

5.4%
5/11/2026
11.55K10.93K

Common Stock

Direct
S · Sale

Shares

66.00

Price / share

$327.06

Trade value

$21.59K

% of position

0.6%
5/11/2026
10.93K10.86K

Common Stock

Direct
S · Sale

Shares

9.00

Price / share

$327.69

Trade value

$2.95K

% of position

0.1%
5/11/2026
10.86K10.85K
Total

Net shares

2.50K

Net value

-$809.22K

Derivative Transactions0
No derivative transactions reported