Powell Industries (POWL) 10% owner sells 1,477 shares around $560

Rhea-AI Filing Summary

Powell Industries insider Thomas W. Powell, reported as a 10% owner, sold 1,477 shares of common stock in open-market transactions. The sales occurred on February 24 and 25 at weighted average prices ranging from about $560 to $564 per share.

After these sales, he directly holds 650,472 shares of Powell Industries common stock. He is also reported as having indirect ownership of 1,623,328 shares through TWP Holdings and 4,000 shares held by his spouse, while disclaiming beneficial ownership of indirectly held securities except to the extent of any pecuniary interest.

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

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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^*

POWELL THOMAS W

(Last) (First) (Middle)

P.O. BOX 300

(Street)

GIDDINGS TX 78942

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

3. Date of Earliest Transaction (Month/Day/Year)
02/24/2026

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	02/24/2026		S		400	D	$560.3004(1)	651,549	D
Common Stock	02/24/2026		S		412	D	$561.4402(2)	651,137	D
Common Stock	02/24/2026		S		223	D	$562.245(3)	650,914	D
Common Stock	02/24/2026		S		124	D	$563.651(4)	650,790	D
Common Stock	02/25/2026		S		318	D	$560.3742(5)	650,472	D
Common Stock								1,623,328	I	Held in TWP Holdings
Common Stock								4,000	I	Kimberly R. Powell(6)(7)

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. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $560.00 to $560.980, inclusive.

2. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $561.00 to $561.980, inclusive.

3. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $562.00 to $562.520, inclusive.

4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $563.275 to $564.080, inclusive.

5. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $560.00 to $560.50, inclusive.

6. These shares are held directly by the spouse of Thomas W. Powell.

7. For purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the reporting person disclaims beneficial ownership of any such securities, except to the extent of his pecuniary interest therein, if any, and this report shall not be deemed an admission that such reporting person is the beneficial owner of such securities for purposes of Section 16 or otherwise.

	/s/ Thomas W. Powell	02/26/2026
	** 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 Thomas W. Powell report in his latest Form 4 for POWL?

Thomas W. Powell reported open-market sales of 1,477 shares of Powell Industries common stock. The trades occurred on February 24 and 25 at weighted average prices in the $560–$564 range, and his direct holdings remained substantial after the transactions.

How many Powell Industries (POWL) shares did Thomas W. Powell sell?

He sold a total of 1,477 shares of Powell Industries common stock. These were executed as several open-market transactions, each at weighted average prices within narrow bands between roughly $560 and $564 per share, as detailed in the Form 4 footnotes.

At what prices were the POWL shares sold by Thomas W. Powell?

The Form 4 shows weighted average sale prices between about $560 and $564 per share. Footnotes explain each reported price aggregates multiple trades executed within tight price ranges on February 24 and 25, rather than representing a single transaction price.

How many POWL shares does Thomas W. Powell hold after these sales?

After the reported sales, he directly owns 650,472 Powell Industries shares. The filing also lists indirect holdings of 1,623,328 shares via TWP Holdings and 4,000 shares held by his spouse, with beneficial ownership of indirect holdings disclaimed except for any pecuniary interest.

Does the Form 4 show indirect ownership for Thomas W. Powell in POWL?

Yes. The filing lists 1,623,328 shares held indirectly through TWP Holdings and 4,000 shares held by his spouse. A footnote states he disclaims beneficial ownership of such indirect securities, except to the extent of any pecuniary interest he may have in them.