[Form 4] Powell Industries Inc Insider Trading Activity

Rhea-AI Filing Summary

John Birchall, a Managing Director at Powell Industries, reported the sale of common stock on 08/26/2025. The Form 4 shows 3,000 shares were disposed of at a price of $260.03 per share. After this reported sale, Mr. Birchall beneficially owns 6,700 shares, which the filer notes include shares subject to time-based vesting. The filing was submitted under power of attorney by Michael W. Metcalf on 08/27/2025. The document is a standard Section 16 disclosure recording an insider sale and the remaining beneficial ownership.

Positive

• None.

Negative

• Insider sale recorded: 3,000 shares were disposed of on 08/26/2025 at $260.03 per share, reducing reported holdings.
• Remaining beneficial ownership reduced: Reported beneficial ownership after the sale is 6,700 shares (including time-based vested shares).

Insights

Financial Analyst

TL;DR Insider sale of 3,000 shares at $260.03 reduces holdings to 6,700 shares; transaction appears routine.

The Form 4 documents a direct sale by a named officer, which reduces his reported beneficial ownership to 6,700 shares. The sale price of $260.03 provides a concrete reference for execution value but the filing does not state the reason for the sale or whether it was part of a prearranged plan. From a market-impact perspective, the size of the sale relative to total outstanding shares is not provided, so material impact cannot be assessed from this filing alone.

Corporate Governance Expert

TL;DR Disclosure is compliant and includes vesting note; no governance red flags evident in this Form 4.

The filing identifies the reporting person as an officer (Managing Director) and records the sale and remaining ownership with a note that some shares are time-vested. The Form 4 was signed via power of attorney, which is a common administrative practice. There are no omissions in the sections provided; however, the document does not indicate whether the transaction was executed under a Rule 10b5-1 plan.

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

Birchall John

(Last) (First) (Middle)

8550 MOSLEY ROAD

(Street)

HOUSTON TX 77075

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
POWELL INDUSTRIES INC [ POWL ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Managing Director

3. Date of Earliest Transaction (Month/Day/Year)
08/26/2025

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	08/26/2025	08/26/2025	S		3,000	D	$260.03	6,700(1)	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. Includes shares that have a time-based vesting provision.

Remarks:

	Michael W. Metcalf, Power of Attorney for John Birchall	08/27/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did John Birchall (POWL) report on Form 4?

The Form 4 reports that John Birchall sold 3,000 shares of Powell Industries common stock on 08/26/2025 at $260.03 per share and now beneficially owns 6,700 shares.

What is John Birchall's role at Powell Industries according to the filing?

The Form 4 lists the reporting person as an Officer with the title Managing Director.

Does the filing indicate whether shares are restricted or vested?

Yes. The filing’s explanatory note states that the 6,700 shares include shares that have a time-based vesting provision.

Who filed the Form 4 on behalf of the reporting person and when?

The Form 4 was filed under power of attorney by Michael W. Metcalf and dated 08/27/2025.

Was the transaction part of a 10b5-1 trading plan according to the form?

The provided Form 4 does not indicate that the transaction was made pursuant to a Rule 10b5-1 trading plan.