POWELL INDUSTRIES INC — All Filings
1,001 total filings on record
Public companies registered with the SEC are required to file periodic reports, disclosures, and notices throughout the year. The most important are the 10-K (annual report), 10-Q (quarterly report), and 8-K (material event notice). Use the filters below to narrow by form type.
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10-K
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144
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3
3/A
4
4/A
8-A12B/A
8-K
8-K/A
ARS
CORRESP
CT ORDER
DEF 14A
DEFA14A
NT 10-K
NT 10-Q
PRE 14A
S-8
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SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SCHEDULE 13G/A | — | 0000102909-26-002105 | Mar 27, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001219199-26-000004 | Mar 23, 2026 | Mar 19, 2026 |
| 4 | FORM 4 | 0000080420-26-000050 | Mar 16, 2026 | Mar 12, 2026 |
| 4 | PRIMARY DOCUMENT | 0001219199-26-000003 | Mar 12, 2026 | Mar 11, 2026 |
| 144 | — | 0001959173-26-002235 | Mar 12, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001219199-26-000002 | Feb 26, 2026 | Feb 24, 2026 |
| 144 | — | 0001950047-26-001760 | Feb 25, 2026 | — |
| 144 | — | 0001950047-26-001740 | Feb 24, 2026 | — |
| 4 | FORM 4 | 0000080420-26-000048 | Feb 19, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000080420-26-000045 | Feb 19, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000080420-26-000041 | Feb 19, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0001528727-26-000002 | Feb 19, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000080420-26-000039 | Feb 19, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000080420-26-000036 | Feb 19, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000080420-26-000031 | Feb 19, 2026 | Feb 18, 2026 |
| 8-K | 8-K | 0000080420-26-000028 | Feb 18, 2026 | — |
| 4 | PRIMARY DOCUMENT | 0001219199-26-000001 | Feb 13, 2026 | Feb 11, 2026 |
| 144 | — | 0001950047-26-001247 | Feb 13, 2026 | — |
| 144 | — | 0001950047-26-001206 | Feb 12, 2026 | — |
| 4 | FORM 4 | 0000080420-26-000024 | Feb 12, 2026 | Feb 11, 2026 |
| 4 | FORM 4 | 0000080420-26-000023 | Feb 12, 2026 | Feb 10, 2026 |
| 144 | — | 0001950047-26-001169 | Feb 11, 2026 | — |
| 4 | FORM 4 | 0000080420-26-000021 | Feb 10, 2026 | Feb 9, 2026 |
| 144 | — | 0001959173-26-000814 | Feb 10, 2026 | — |
| 144 | — | 0001959173-26-000802 | Feb 10, 2026 | — |
| 4 | FORM 4 | 0000080420-26-000019 | Feb 9, 2026 | Feb 6, 2026 |
| 4 | FORM 4 | 0000080420-26-000017 | Feb 4, 2026 | Feb 3, 2026 |
| 10-Q | 10-Q | 0000080420-26-000015 | Feb 4, 2026 | Dec 31, 2025 |
| 8-K | 8-K | 0000080420-26-000013 | Feb 3, 2026 | — |
| 8-K | 8-K | 0000080420-26-000009 | Jan 6, 2026 | Jan 2, 2026 |
| 4 | FORM 4 | 0000080420-26-000008 | Jan 6, 2026 | Jan 3, 2026 |
| 4 | FORM 4 | 0000080420-26-000006 | Jan 6, 2026 | Jan 3, 2026 |
| 4 | FORM 4 | 0000080420-26-000005 | Jan 6, 2026 | Jan 2, 2026 |
| DEF 14A | DEF 14A | 0001140361-26-000342 | Jan 6, 2026 | Feb 18, 2026 |
| 4 | FORM 4 | 0000080420-25-000169 | Dec 22, 2025 | Dec 19, 2025 |
| 144 | — | 0001959173-25-007857 | Dec 19, 2025 | — |
| 4 | FORM 4 | 0000080420-25-000167 | Dec 8, 2025 | — |
| 4 | FORM 4 | 0000080420-25-000165 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | FORM 4 | 0000080420-25-000164 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | FORM 4 | 0000080420-25-000163 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | FORM 4 | 0000080420-25-000162 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | FORM 4 | 0000080420-25-000161 | Dec 3, 2025 | Dec 1, 2025 |
| 4 | FORM 4 | 0000080420-25-000160 | Dec 3, 2025 | Dec 1, 2025 |
| 10-K | 10-K | 0000080420-25-000152 | Nov 19, 2025 | Sep 30, 2025 |
| 8-K | 8-K | 0000080420-25-000145 | Nov 18, 2025 | — |
| SCHEDULE 13G/A | — | 0001665198-25-000014 | Nov 6, 2025 | — |
| 8-K | 8-K | 0000080420-25-000140 | Nov 4, 2025 | — |
| SCHEDULE 13G | — | 0001445546-25-007228 | Oct 31, 2025 | — |
| 4 | FORM 4 | 0000080420-25-000136 | Oct 21, 2025 | Oct 16, 2025 |
| 4 | FORM 4 | 0000080420-25-000134 | Oct 2, 2025 | Sep 30, 2025 |