Mauney William Marshall Jr - Insider Non-Derivative Transactions at POWELL INDUSTRIES INC (POWL) - (SEC)

Updated on January 3, 2026.

According to recent SEC insider information filed on Dec 19, 2025, Mauney William Marshall Jr's relationship to POWELL INDUSTRIES INC (POWL) is Officer (Vice President, R&D), and currently has 4,451 shares of Common Stock.

The chart below shows the number of shares owned, and the table shows the recent insider transactions.

You can see similar information for other POWL insiders.

Related Topics: SEC Topic List.

Data Source: SEC.

Mauney William Marshall Jr - Insider Non-Derivative Transactions of POWL Common Stock

Mauney William Marshall Jr - Insider Non-Derivative Transactions at POWL

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Date	Transaction	No. of Shares	Price Per Share	Shares Owned After Transactions
Dec 20, 2025	Sell -- (Common Stock)	3000	331.73	4451
Dec 2, 2025	Acquisition -- (Common Stock)	3000	315.03	7451
Oct 2, 2025	Acquisition -- (Common Stock)	300	287.18	4451
Oct 1, 2025	F -- (Common Stock)	466	301.28	4151
Sep 6, 2025	F -- (Common Stock)	770	266.8	4617
Dec 5, 2024	Sell -- (Common Stock)	300	287.08	5387
Dec 5, 2024	Sell -- (Common Stock)	700	282.91	5687
Oct 2, 2024	Acquisition -- (Common Stock)	400	182.14	6387
Oct 1, 2024	F -- (Common Stock)	433	221.11	5987
Sep 7, 2024	F -- (Common Stock)	770	0	6420
Aug 16, 2024	Sell -- (Common Stock)	150	163.76	7190