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Mauney William Marshall Jr's Form 4 filing

Powell Industries Inc (POWL) · filed Oct 2, 2026

Accession no.
0000080420-26-000131
Filed
Oct 2, 2026, 4:41 PM ET
Trade date
Sep 30-Oct 1, 2026
Filing delay
2 days
Rule 10b5-1 plan
Not checked

This filing lists 2 non-derivative transactions. Open-market sales total $56.5K. It was filed 2 days after the trade.

Reporting owners

A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.

Reporting owners on this filing
OwnerRelationship to the company
Mauney William Marshall JrCIK 0002025220Officer (Vice President, R&D)

Non-derivative securities (Table I)

Acquisitions and disposals of common stock and similar shares, one row per line on the filing.

Non-derivative transactions
Trade dateSecurityTransactionSharesPriceValueShares afterOwnershipFlags
Sep 30, 2026Common StockSSaleDisposed−301$187.67F1−$56,488.6710,552Direct
Oct 1, 2026Common StockAGrant or awardAcquired+525$181.67F4+$95,376.7511,077Direct

Footnotes and remarks

Livermore keeps the footnotes that transaction prices refer to, all footnotes of amendments (Form 4/A) and the filing's remarks. Other footnotes, such as how indirect holdings are held or the details of a trading plan, are only in the original on SEC EDGAR.

F1

Represents the average of the high and low stock price on 09/30/2026.

Referenced by the price of 1 transaction in Table I.

F4

Represents the average closing stock price from September 1, 2026 - September 30, 2026.

Referenced by the price of 1 transaction in Table I.

Read the full filing on SEC EDGAR (opens in a new tab)