William Marshall Mauney Jr

Insider Reports History

Location
Houston, TX
Signature
Michael W. Metcalf, Power of Attorney for William Marshall Mauney, Jr.
All insider transactions
Transactions in reports broken out by “transaction date” reported in original SEC filing, see here for transactions aggregated across transaction date

Holdings reported by William Marshall Mauney Jr:

Company Role Class Num Shares Value Price $ Report Date Ownership
POWELL INDUSTRIES INC Vice President, R&D Common Stock 4,451 $1,476,530 $331.73 19 Dec 2025 Direct

Insider Reports Filed by William Marshall Mauney Jr

Symbol Company Period Transactions Value $ Form Type Role Filing Time
POWL POWELL INDUSTRIES INC 19 Dec 2025 1 -$995,190 4 Vice President, R&D 22 Dec 2025, 16:03
POWL POWELL INDUSTRIES INC 01 Dec 2025 1 +$945,090 4 Vice President, R&D 03 Dec 2025, 16:49
POWL POWELL INDUSTRIES INC 30 Sep 2025 2 -$54,242 4 Vice President, R&D 01 Oct 2025, 17:07
POWL POWELL INDUSTRIES INC 05 Sep 2025 1 -$205,436 4 Vice President, R&D 09 Sep 2025, 16:14
POWL POWELL INDUSTRIES INC 04 Dec 2024 2 -$284,161 4 Vice President, R&D 06 Dec 2024, 14:48
POWL POWELL INDUSTRIES INC 30 Sep 2024 2 -$22,885 4 Vice President, R&D 02 Oct 2024, 18:00
POWL POWELL INDUSTRIES INC 06 Sep 2024 1 $0 4 Vice President, R&D 10 Sep 2024, 16:20
POWL POWELL INDUSTRIES INC 15 Aug 2024 1 -$24,564 4 Vice President, R&D 19 Aug 2024, 16:33
POWL POWELL INDUSTRIES INC 31 May 2024 0 $0 3/A Vice President, R&D 03 Jun 2024, 16:31
POWL POWELL INDUSTRIES INC 31 May 2024 0 $0 3 Vice President, R&D 31 May 2024, 11:32