POWL

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 10

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,435

F1 · shares: 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.

F11 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $211.87-212.82, 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 9

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 30,945

F1 · shares: 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.

F10 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 8

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,069

F1 · shares: 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.

F9 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 7

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,413

F1 · shares: 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.

F8 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $208.54-209.35, 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 6

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,623

F1 · shares: 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.

F7 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $207.52-208.32, 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 5

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,821

F1 · shares: 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.

F6 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 4

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 31,883

F1 · shares: 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.

F5 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 3

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,193

F1 · shares: 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.

F4 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 2

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,738

F1 · shares: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 14

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 147,471

F1 · shares: 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.

F15 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 13

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 147,566

F1 · shares: 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.

F14 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 12

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 147,728

F1 · shares: 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.

F13 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 11

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 148,636

F1 · shares: 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.

F12 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 10

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 149,191

F1 · shares: 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.

F11 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 9

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 150,850

F1 · shares: 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.

F10 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 8

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 151,245

F1 · shares: 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.

F9 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 7

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,088

F1 · shares: 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.

F8 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 6

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,364

F1 · shares: 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.

F7 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 5

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,670

F1 · shares: 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.

F6 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 4

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 152,778

F1 · shares: 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.

F5 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 3

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 153,126

F1 · shares: 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.

F4 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 2

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,102

F1 · shares: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000081 · wk-form4_1751316247.xml · nonDerivative · entry 1

HOGLUND PETER G · CIK 0002028888 · Vice Pres, Global Service

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,726

F1 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000073 · wk-form4_1751314718.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 32,821

F1 · shares: 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.

F2 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000071 · wk-form4_1751314626.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 154,246

F1 · shares: 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.

F2 · price: 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000068 · wk-form4_1750279261.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 157,345

F1 · shares: 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.

F2 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000066 · wk-form4_1750279040.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,354

F1 · shares: 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.

F2 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000050 · wk-form4_1743111075.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 35,554

F1 · shares: 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.

F2 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $200.00-200.51, 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000047 · wk-form4_1743106246.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 158,125

F1 · shares: 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.

F2 · price: The price reported in Column 4 is an average price; shares were sold in multiple transactions. Reporting range is $200.00-200.03, 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.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000041 · wk-form4_1740151853.xml · nonDerivative · entry 1

Williams Richard E · CIK 0001668421 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,760

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000040 · wk-form4_1740151709.xml · nonDerivative · entry 1

Stacey John · CIK 0001428422 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,960

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000039 · wk-form4_1740151558.xml · nonDerivative · entry 1

Singh Mohit · CIK 0001897234 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 1,160

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000038 · wk-form4_1740151196.xml · nonDerivative · entry 1

McGill James W · CIK 0001299345 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,160

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000036 · wk-form4_1740150796.xml · nonDerivative · entry 1

CRAGG CHRISTOPHER E · CIK 0001198822 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 12,635

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000037 · wk-form4_1740151054.xml · nonDerivative · entry 1

CURTIS KATHERYN BAUCOM · CIK 0001803962 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,760

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000035 · wk-form4_1740150562.xml · nonDerivative · entry 1

Brooks Alaina K · CIK 0001631872 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 3,560

F1 · shares: Represents shares of restricted stock that have been granted to the Reporting Person as compensation for serving on the Powell Industries Board of Directors under the Non-Employee Director Equity Incentive Plan. These shares vest on the earlier of the first anniversary from the date of the grant or the Company's 2026 Annual Stockholder Meeting.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-25-000032 · wk-form4_1739387114.xml · nonDerivative · entry 1

TUNINETTI DAVIDE · CIK 0002056270 · CHIEF HUMAN RESOURCE OFFICER

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 780

F1 · shares: Represents time-based RSUs that will vest in three equal annual installments on the first, second and third anniversaries of the grant date, subject to the Reporting Person's continued employment with the Company.

F2 · shares: RSUs convert into common stock on a one-for-one basis at the time of vesting.

F3 · balance_after: Includes shares that have a time-based vesting provision of three equal installments.

SEC source: 0000080420-24-000096 · wk-form4_1734990177.xml · nonDerivative · entry 2

Callahan Robert B · CIK 0001407340 · Chief Human Resource Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 17,100

F1 · price: Represents the average of the high and low stock price on 12/20/2024.

SEC source: 0000080420-24-000096 · wk-form4_1734990177.xml · nonDerivative · entry 1

Callahan Robert B · CIK 0001407340 · Chief Human Resource Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 20,433

F1 · price: Represents the average of the high and low stock price on 12/20/2024.

SEC source: 0000080420-24-000091 · wk-form4_1733348019.xml · nonDerivative · entry 2

Birchall John · CIK 0002025235 · Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,100

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000090 · wk-form4_1733347923.xml · nonDerivative · entry 2

McKertcher Terry B · CIK 0002025133 · Vice President, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 8,500

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000095 · wk-form4_1733514524.xml · nonDerivative · entry 2

Mauney William Marshall Jr · CIK 0002025220 · Vice President, R&D

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,387

F1 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000095 · wk-form4_1733514524.xml · nonDerivative · entry 1

Mauney William Marshall Jr · CIK 0002025220 · Vice President, R&D

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 5,687

F1 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000093 · wk-form4_1733348215.xml · nonDerivative · entry 1

Callahan Robert B · CIK 0001407340 · Chief Human Resource Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 14,533

F1 · shares: Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).

F2 · price: Represents the average of the high and low stock price on 12/02/2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

F3 · ownership.direct: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000092 · wk-form4_1733348117.xml · nonDerivative · entry 1

MUDGE FREDERICK N · CIK 0002025646 · Vice President, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 31,388

F1 · shares: Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).

F2 · price: Represents the average of the high and low stock price on 12/02/2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000091 · wk-form4_1733348019.xml · nonDerivative · entry 1

Birchall John · CIK 0002025235 · Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,800

F1 · shares: Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).

F2 · price: Represents the average of the high and low stock price on 12/02/2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000090 · wk-form4_1733347923.xml · nonDerivative · entry 1

McKertcher Terry B · CIK 0002025133 · Vice President, Operations

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 10,200

F1 · shares: Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).

F2 · price: Represents the average of the high and low stock price on 12/02/2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000089 · wk-form4_1733347777.xml · nonDerivative · entry 1

METCALF MICHAEL WILLIAM · CIK 0001760055 · Exec Vice President

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 36,200

F1 · shares: Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).

F2 · price: Represents the average of the high and low stock price on 12/02/2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000088 · wk-form4_1733347652.xml · nonDerivative · entry 1

COPE BRETT ALAN · CIK 0001663174 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 158,571

F1 · shares: Shares granted under the Company's long-term equity compensation plan (performance-vesting restricted stock unit agreement).

F2 · price: Represents the average of the high and low stock price on 12/02/2024.

F3 · balance_after: Includes shares that have a time-based vesting provision.

SEC source: 0000080420-24-000094 · wk-form4a_1733502991.xml · nonDerivative · entry 2

Birchall John · CIK 0002025235 · Managing Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 9,700

F3 · balance_after: Includes shares that have a time-based vesting provision.