Powell Industries Inc SEC filings POWL
Powell Industries Inc has 1,002 filings in SEC EDGAR's recent list, going back to Mar 9, 2006. Its latest annual report, Form 10-K, was filed on Nov 19, 2025 for the period ended Sep 30, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 4, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Nov 4, 2026 (other events). The company's fiscal year ends on September 30.
| Form | Description | Filed | Period |
|---|---|---|---|
| 8-K |
Current report
Other events
|
Nov 4, 2026 | Nov 3, 2026 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 27, 2026 | — |
| 4 | Insider transaction | Oct 20, 2026 | Oct 16, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Oct 1, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Oct 2, 2026 | Sep 30, 2026 |
| 4 | Insider transaction | Aug 17, 2026 | Aug 14, 2026 |
| 144 | Notice of proposed sale | Aug 14, 2026 | — |
| 4 | Insider transaction | Aug 14, 2026 | Aug 13, 2026 |
| 144 | Notice of proposed sale | Aug 13, 2026 | — |
| 10-Q | Quarterly report | Aug 4, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 3, 2026 | Aug 3, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 30, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jul 10, 2026 | Jul 9, 2026 |
| 144 | Notice of proposed sale | Jul 9, 2026 | — |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 8-K |
Current report
Officer or director change
|
Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 1, 2026 | Jun 30, 2026 |
| 144 | Notice of proposed sale | Jun 30, 2026 | — |
| 4 | Insider transaction | Jun 29, 2026 | Jun 26, 2026 |
| 4 | Insider transaction | Jun 26, 2026 | Jun 25, 2026 |
| 4 | Insider transaction | Jun 12, 2026 | Jun 11, 2026 |
| 144 | Notice of proposed sale | Jun 11, 2026 | — |
| 4 | Insider transaction | Jun 1, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 3 | Initial insider ownership | May 28, 2026 | May 21, 2026 |
| SD | Specialized disclosure (conflict minerals) | May 26, 2026 | — |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 4 | Insider transaction | May 15, 2026 | May 14, 2026 |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 144 | Notice of proposed sale | May 14, 2026 | — |
| 4 | Insider transaction | May 13, 2026 | May 11, 2026 |
| 144 | Notice of proposed sale | May 11, 2026 | — |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Other events
|
May 5, 2026 | May 5, 2026 |
| 8-K |
Current report
Results of operations
|
May 4, 2026 | May 4, 2026 |
| 4 | Insider transaction | Apr 13, 2026 | Apr 9, 2026 |
| 144 | Notice of proposed sale | Apr 9, 2026 | — |
| 4 | Insider transaction | Apr 2, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Bylaw or fiscal year change
|
Mar 31, 2026 | Mar 31, 2026 |
| 144 | Notice of proposed sale | Mar 31, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Mar 27, 2026 | — |
| 4 | Insider transaction | Mar 23, 2026 | Mar 19, 2026 |
| 4 | Insider transaction | Mar 16, 2026 | Mar 12, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 11, 2026 |
| 144 | Notice of proposed sale | Mar 12, 2026 | — |
| 4 | Insider transaction | Feb 26, 2026 | Feb 24, 2026 |
| 144 | Notice of proposed sale | Feb 25, 2026 | — |
| 144 | Notice of proposed sale | Feb 24, 2026 | — |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 19, 2026 | Feb 18, 2026 |
| 8-K |
Current report
Shareholder vote results, Other events
|
Feb 18, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Feb 13, 2026 | Feb 11, 2026 |
| 144 | Notice of proposed sale | Feb 13, 2026 | — |
| 144 | Notice of proposed sale | Feb 12, 2026 | — |
| 4 | Insider transaction | Feb 12, 2026 | Feb 11, 2026 |
| 4 | Insider transaction | Feb 12, 2026 | Feb 10, 2026 |
| 144 | Notice of proposed sale | Feb 11, 2026 | — |
| 4 | Insider transaction | Feb 10, 2026 | Feb 9, 2026 |
| 144 | Notice of proposed sale | Feb 10, 2026 | — |
| 144 | Notice of proposed sale | Feb 10, 2026 | — |
| 4 | Insider transaction | Feb 9, 2026 | Feb 6, 2026 |
| 4 | Insider transaction | Feb 4, 2026 | Feb 3, 2026 |
| 10-Q | Quarterly report | Feb 4, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Feb 3, 2026 | Feb 3, 2026 |
| 8-K |
Current report
Officer or director change
|
Jan 6, 2026 | Jan 2, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 3, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 3, 2026 |
| 4 | Insider transaction | Jan 6, 2026 | Jan 2, 2026 |
| DEF 14A | Proxy statement | Jan 6, 2026 | Feb 18, 2026 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 19, 2025 |
| 144 | Notice of proposed sale | Dec 19, 2025 | — |
| 4 | Insider transaction | Dec 8, 2025 | Dec 8, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 4 | Insider transaction | Dec 3, 2025 | Dec 1, 2025 |
| 10-K | Annual report | Nov 19, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations
|
Nov 18, 2025 | Nov 18, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 6, 2025 | — |
| 8-K |
Current report
Other events
|
Nov 4, 2025 | Nov 4, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 31, 2025 | — |
| 4 | Insider transaction | Oct 21, 2025 | Oct 16, 2025 |
| 4 | Insider transaction | Oct 2, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Oct 1, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Oct 1, 2025 | Sep 30, 2025 |
| 4 | Insider transaction | Sep 24, 2025 | Sep 22, 2025 |
| 144 | Notice of proposed sale | Sep 22, 2025 | — |
| 4 | Insider transaction | Sep 9, 2025 | Sep 5, 2025 |
| 4 | Insider transaction | Aug 28, 2025 | Aug 28, 2025 |
| 4 | Insider transaction | Aug 27, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 27, 2025 | Aug 26, 2025 |
| 4 | Insider transaction | Aug 13, 2025 | Aug 11, 2025 |
| 10-Q | Quarterly report | Aug 6, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
Aug 5, 2025 | Aug 5, 2025 |
| 4 | Insider transaction | Aug 4, 2025 | Aug 1, 2025 |
| 3 | Initial insider ownership | Aug 4, 2025 | Aug 1, 2025 |
| 8-K |
Current report
Officer or director change
|
Jul 22, 2025 | Jul 18, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 26, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 26, 2025 |
| 4 | Insider transaction | Jun 30, 2025 | Jun 26, 2025 |
| 144 | Notice of proposed sale | Jun 27, 2025 | — |
| 144 | Notice of proposed sale | Jun 27, 2025 | — |
| 144 | Notice of proposed sale | Jun 26, 2025 | — |
| 144 | Notice of proposed sale | Jun 26, 2025 | — |
| 4 | Insider transaction | Jun 18, 2025 | Jun 16, 2025 |
| 4 | Insider transaction | Jun 18, 2025 | Jun 16, 2025 |
| 144 | Notice of proposed sale | Jun 16, 2025 | — |
| 144 | Notice of proposed sale | Jun 16, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | May 22, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 7, 2025 | — |
| 10-Q | Quarterly report | May 7, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Other events
|
May 6, 2025 | May 6, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 4 | Insider transaction | Mar 27, 2025 | Mar 25, 2025 |
| 144 | Notice of proposed sale | Mar 25, 2025 | — |
| 144 | Notice of proposed sale | Mar 25, 2025 | — |
| 8-K |
Current report
Change to shareholder rights, Bylaw or fiscal year change
|
Feb 24, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 21, 2025 | Feb 19, 2025 |
| 8-K |
Current report
Bylaw or fiscal year change, Shareholder vote results
|
Feb 19, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Feb 12, 2025 | Feb 3, 2025 |
| 3 | Initial insider ownership | Feb 12, 2025 | Feb 3, 2025 |
| 10-Q | Quarterly report | Feb 7, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Results of operations
|
Feb 6, 2025 | Feb 6, 2025 |
| 8-K |
Current report
Other events
|
Feb 4, 2025 | Feb 4, 2025 |
| ARS | Annual report to shareholders | Jan 6, 2025 | Sep 30, 2024 |
| DEFA14A | Additional proxy material | Jan 6, 2025 | — |
| DEF 14A | Proxy statement | Jan 6, 2025 | Feb 19, 2025 |
| 4 | Insider transaction | Dec 23, 2024 | Dec 20, 2024 |
| PRE 14A | Preliminary proxy statement | Dec 23, 2024 | Feb 19, 2025 |
| 4 | Insider transaction | Dec 6, 2024 | Dec 4, 2024 |
| 4/A | Form 4/a | Dec 6, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 4 | Insider transaction | Dec 4, 2024 | Dec 2, 2024 |
| 10-K | Annual report | Nov 20, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations
|
Nov 19, 2024 | Nov 19, 2024 |
| 4 | Insider transaction | Nov 13, 2024 | Nov 8, 2024 |
| 144 | Notice of proposed sale | Nov 7, 2024 | — |
| 8-K |
Current report
Other events
|
Nov 5, 2024 | Nov 5, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Oct 31, 2024 | — |
| 4 | Insider transaction | Oct 15, 2024 | Oct 11, 2024 |
| 4 | Insider transaction | Oct 11, 2024 | Oct 9, 2024 |
| SC 13D/A | Amended ownership over 5% (active) | Oct 10, 2024 | — |
| 4 | Insider transaction | Oct 9, 2024 | Oct 7, 2024 |
| 144 | Notice of proposed sale | Oct 4, 2024 | — |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Oct 1, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Oct 2, 2024 | Sep 30, 2024 |
| 4 | Insider transaction | Sep 26, 2024 | Sep 24, 2024 |
| 4 | Insider transaction | Sep 26, 2024 | Sep 25, 2024 |
| 144 | Notice of proposed sale | Sep 23, 2024 | — |
| 4 | Insider transaction | Sep 17, 2024 | Sep 13, 2024 |
| 144 | Notice of proposed sale | Sep 13, 2024 | — |
| 4 | Insider transaction | Sep 10, 2024 | Sep 6, 2024 |
| 4 | Insider transaction | Aug 29, 2024 | Aug 27, 2024 |
| 144 | Notice of proposed sale | Aug 27, 2024 | — |
| 4 | Insider transaction | Aug 19, 2024 | Aug 16, 2024 |
| 4 | Insider transaction | Aug 19, 2024 | Aug 15, 2024 |
| 144 | Notice of proposed sale | Aug 16, 2024 | — |
| 4 | Insider transaction | Aug 9, 2024 | Aug 9, 2024 |
| 144 | Notice of proposed sale | Aug 9, 2024 | — |
Showing 200 filings, the most recent 200. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Switchgear & Switchboard Apparatus (SIC 3613)
- Listed as
- POWL (Nasdaq)
- Fiscal year ends
- September 30
- Incorporated in
- NV
- Headquarters
- Houston, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 80420
Other Switchgear & Switchboard Apparatus companies
- Littelfuse Inc /DE LFUS
- Abb Ltd ABBNY
Source: SEC EDGAR filings. This is company-reported data, not investment advice.