John Birchall - 30 Sep 2026 Form 4 Insider Report for POWELL INDUSTRIES INC (POWL)

Reporting relationship: Managing Director
Issuer ticker: POWL
Reported as of: 30 Sep 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 02 Oct 2026, 16:35:43 UTC
Prior SEC filing: 10 Feb 2026
Source filing: View source filing
Reporting owner signature: Michael W. Metcalf, Power of Attorney for John Birchall

Key filing fact

John Birchall filed Form 4 for POWELL INDUSTRIES INC (POWL) on 02 Oct 2026.

Key facts

This page summarizes John Birchall's Form 4 filing for POWELL INDUSTRIES INC (POWL).
2 reported transactions and 0 derivative rows are listed below.
Accepted by SEC: 02 Oct 2026, 16:35.

Change

Previous filing in this sequence was filed on 10 Feb 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002025235 Primary reporting owner

Birchall John

Relationship: Managing Director
Address: 8550 MOSLEY ROAD, HOUSTON
Signature: Michael W. Metcalf, Power of Attorney for John Birchall
Signature date: 02 Oct 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

POWL transaction

Common Stock

Tax liability

Transaction value
Shares: -599
Change %: -3%
Price: $187.67^*
Shares after: 19,102
Date: 30 Sep 2026
Ownership: Direct
Footnotes: F1, F2

POWL transaction

Common Stock

Award

Transaction value
Shares: +400
Change %: +2.1%
Price: $181.67^*
Shares after: 19,502
Date: 01 Oct 2026
Ownership: Direct
Footnotes: F2, F3, F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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

Footnote F2

Includes shares that have a time-based vesting provision.

Footnote F3

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

Footnote F4

The reported number of shares have been adjusted to reflect the impact of the issuer's 3-for-1 forward split of its Common Stock effected on April 2, 2026.