POWELL INDUSTRIES INC

Q: Jun 30 2026

Q: Mar 31 2026

Q: Dec 31 2025

FY: Sep 30 2025

Q: Jun 30 2025

Q: Mar 31 2025

Q: Dec 31 2024

FY: Sep 30 2024

Q: Jun 30 2024

Q: Mar 31 2024

Q: Dec 31 2023

FY: Sep 30 2023

Q: Jun 30 2023

Q: Mar 31 2023

Q: Dec 31 2022

FY: Sep 30 2022

Q: Jun 30 2022

Q: Mar 31 2022

Q: Dec 31 2021

FY: Sep 30 2021

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Other Events

Results of Operations and Financial Condition

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Submission of Matters to a Vote of Security Holders

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Other Events

Results of Operations and Financial Condition

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers

Results of Operations and Financial Condition

Material Modifications to Rights of Security Holders

Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year

Results of Operations and Financial Condition

Other Events

Results of Operations and Financial Condition

Other Events

2.02,8.01,9.01

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post Effective Amendment to S-8

Registration of Securities on Exchange (amendment)

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Additional Information for Proxy Statement/ Votes

Additional Information for Proxy Statement/ Votes

Definitive Proxy Statement

Mauney William Marshall Jr

Ni Ping

Eckenrode David L

Birchall John

TUNINETTI DAVIDE

HOGLUND PETER G

COPE BRETT ALAN

METCALF MICHAEL WILLIAM

JOHNSON JAMES EDGAR JR

McKertcher Terry B

Williams Richard E

Williams Richard E

COPE BRETT ALAN

COPE BRETT ALAN

FIRST TRUST PORTFOLIOS LP

BlackRock, Inc.

COPE BRETT ALAN

COPE BRETT ALAN

COPE BRETT ALAN

METCALF MICHAEL WILLIAM

Specialized Disclosure Report

Specialized Disclosure Report

Annual Report Scanned (Paper)

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Letter from the SEC

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report

Specialized Disclosure Report