# EDGAR Filing Document

**Accession Number:** 0001663174
**File Stem:** 0000080420-25-000071
**Filing Date:** 2025-6
**Character Count:** 12537
**Document Hash:** d14b570778f1b2a1175a2644ee4c587e
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000080420-25-000071.hdr.sgml**: 20250630

**ACCESSION NUMBER**: 0000080420-25-000071

**CONFORMED SUBMISSION TYPE**: 4

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250626

**FILED AS OF DATE**: 20250630

**DATE AS OF CHANGE**: 20250630

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** COPE BRETT ALAN
- **CENTRAL INDEX KEY:** 0001663174

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 4
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-12488
- **FILM NUMBER:** 251092272

**MAIL ADDRESS:**
- **STREET 1:** 8550 MOSLEY ROAD
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77075
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** POWELL INDUSTRIES INC
- **CENTRAL INDEX KEY:** 0000080420
- **STANDARD INDUSTRIAL CLASSIFICATION:** SWITCHGEAR & SWITCHBOARD APPARATUS [3613]
- **ORGANIZATION NAME:** 04 Manufacturing
- **EIN:** 880106100
- **STATE OF INCORPORATION:** NV
- **FISCAL YEAR END:** 0930

**BUSINESS ADDRESS:**
- **STREET 1:** 8550 MOSLEY DR
- **STREET 2:** POST OFFICE BOX 12818
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77075
- **BUSINESS PHONE:** 7139446900

**MAIL ADDRESS:**
- **STREET 1:** 8550 MOSLEY DRIVE P O BOX 12818
- **STREET 2:** 8550 MOSLEY DRIVE P O BOX 12818
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77075

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PROCESS SYSTEMS INC
- **DATE OF NAME CHANGE:** 19780926

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

## FORM 4

### STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

[x] 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**<sup>*</sup><br>COPE BRETT ALAN<br><sub>(Last) (First) (Middle)</sub><br>8550 MOSLEY ROAD<br><sub>(Street)</sub><br>HOUSTON, TX 77075<br><sub>(City) (State) (Zip)</sub> | **3. Date of Earliest Transaction (Month/Day/Year)**<br>2025-06-26 | **5. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[X] Director [ ] 10% Owner<br>[X] Officer (give title below) [ ] Other (specify below)<br>_President & CEO_ |
| **2. Issuer Name and Ticker or Trading Symbol**<br>POWELL INDUSTRIES INC [ POWL ] | **4. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | 3. Transaction Code (V) | 3. Transaction Code (V) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 4. Securities Acquired (A) or Disposed of (D) | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| 1. Title of Security | 2. Transaction Date | 2A. Deemed Execution Date | Code | V | Amount | (A) or (D) | Price | 5. Amount of Securities Beneficially Owned | 6. Ownership Form | 7. Nature of Indirect Beneficial Ownership |
| Common Stock | 2025-06-26 | 2025-06-26 | S |  | 3099<sup>(1)</sup> | D | 200.06<sup>(2)</sup> | 154246<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 144<sup>(1)</sup> | D | $202.95 | 154102<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 976<sup>(1)</sup> | D | 204.74<sup>(4)</sup> | 153126<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 348<sup>(1)</sup> | D | 205.63<sup>(5)</sup> | 152778<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 108<sup>(1)</sup> | D | 206.48<sup>(6)</sup> | 152670<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 306<sup>(1)</sup> | D | 207.81<sup>(7)</sup> | 152364<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 276<sup>(1)</sup> | D | 209.01<sup>(8)</sup> | 152088<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 843<sup>(1)</sup> | D | 209.94<sup>(9)</sup> | 151245<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 395<sup>(1)</sup> | D | 211.13<sup>(10)</sup> | 150850<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 1659<sup>(1)</sup> | D | 212.72<sup>(11)</sup> | 149191<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 555<sup>(1)</sup> | D | 213.72<sup>(12)</sup> | 148636<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 908<sup>(1)</sup> | D | 214.57<sup>(13)</sup> | 147728<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 162<sup>(1)</sup> | D | 215.76<sup>(14)</sup> | 147566<sup>(3)</sup> | D |  |
| Common Stock | 2025-06-27 | 2025-06-27 | S |  | 95<sup>(1)</sup> | D | 216.82<sup>(15)</sup> | 147471<sup>(3)</sup> | D |  |

---

## Table II - Derivative Securities

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | 4. Transaction Code (V) | 4. Transaction Code (V) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 5. Number of Derivative Securities Acquired (A) or Disposed of (D) | 6. Date Exercisable and Expiration Date | 6. Date Exercisable and Expiration Date | 7. Title and Amount of Underlying Securities | 7. Title and Amount of Underlying Securities | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | 2. Conversion or Exercise Price | 3. Transaction Date | 3A. Deemed Execution Date | Code | V | (A) | (D) | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 8. Price of Derivative Security | 9. Number of Derivative Securities Beneficially Owned | 10. Ownership Form | 11. Nature of Indirect Beneficial Ownership |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

---

### Footnotes:

(1) The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on November 26, 2024.

(2) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $200.00-200.20, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(3) Includes shares that have a time-based vesting provision.

(4) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $204.22-205.01, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(5) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $205.26-206.01, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(6) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $206.28-206.75, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(7) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $207.52-208.33, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(8) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $208.53-209.35, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(9) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $209.73-210.64, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(10) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $210.84-211.50, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(11) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $212.00-213.00, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(12) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $213.01-214.01, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(13) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $214.21-214.90, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(14) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $215.35-216.00, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

(15) The price reported in Column 4 is an average price; shares were sold in multiple transactions.  Reporting range is $216.69-216.96, inclusive.  Reporting person, upon request, will provide Powell Industries, Inc. or the staff of the Securities & Exchange Commission full information regarding the number of shares sold at each price within the ranges set for in this footnote.

**Signature:** Michael W. Metcalf, Power of Attorney for Brett A. Cope  
**Date:** 2025-06-30

### Remarks:

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.**