POWL · Powell Industries Inc · Insider Trading

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 6, 2026.

Includes shares that have a time-based vesting provision.

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, 2025.

Includes shares that have a time-based vesting provision.

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, 2025.

Includes shares that have a time-based vesting provision.

Board approved, one-time RSU incentive to continue service past retirement eligibility.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $280.74-$281.52, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $284.11-$283.09, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $286.14-$287.14, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $283.08-$283.98, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $287.16-$287.96, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $281.95-$282.88, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $279.73-$280.69, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $285.12-$286.12, 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.

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.

Includes shares that have a time-based vesting provision.

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.

Includes shares that have a time-based vesting provision.

The reporting person contributed 33,958 shares of POWL common stock to an exchange fund in exchange for shares of the exchange fund. The POWL common stock was valued at $294.49 per share for the purpose of determining the number of shares of the exchange fund issuable to the reporting person.

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, 2025.

Includes shares that have a time-based vesting provision.

Includes shares that have a time-based vesting provision.

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.

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, 2025.

Includes shares that have a time-based vesting provision.

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.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 11, 2026.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $300.00-301.00, 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.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 11, 2026.

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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on February 11, 2026.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $298.88-299.00, 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.

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.

Includes shares that have a time-based vesting provision.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $321.39-$322.39, 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.

Includes shares that have a time-based vesting provision.

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.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $325.44-$326.54, 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.

Includes shares that have a time-based vesting provision.

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.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $324.47-$325.10, 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.

Includes shares that have a time-based vesting provision.

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.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $327.68-$327.71, 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.

Includes shares that have a time-based vesting provision.

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.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $326.66-$327.45, 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.

Includes shares that have a time-based vesting provision.

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.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $322.43-$323.40, 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.

Includes shares that have a time-based vesting provision.

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.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $323.44-$324.39, 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.

Includes shares that have a time-based vesting provision.

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.

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, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $233.81 - $233.98, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $541.18-$541.56, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $536.37-$537.20, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $518.27-$519.26, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $517.12-$517.78, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $534.09-$534.95, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $513.04-$513.09, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $515.68-$516.55, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $537.45-$537.61, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $535.26-$536.06, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $511.75-$511.76, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $519.31-$519.93, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $539.89-$540.57, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $520.36-$521.30, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $522.72-$523.00, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $521.68-$522.65, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $538.83-$539.83, 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.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

Includes shares that have a time-based vesting provision.

The sales reported in this Form 4 were affected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on December 2, 2025.

Includes shares that have a time-based vesting provision.

The reporting person contributed 49,778 shares of POWL common stock to an exchange fund in exchange for shares of the exchange fund. The POWL common stock was valued at $502.23 per share for the purpose of determining the number of shares of the exchange fund issuable to the reporting person.

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, 2025.

Includes shares that have a time-based vesting provision.