Mailing Address 8550 MOSLEY DRIVE P O BOX 12818 8550 MOSLEY DRIVE P O BOX 12818 HOUSTON TX 77075
Business Address 8550 MOSLEY DR POST OFFICE BOX 12818 HOUSTON TX 77075 7139446900
POWELL INDUSTRIES INC CIK#: 0000080420 (see all company filings)

SIC: 3613 - SWITCHGEAR & SWITCHBOARD APPARATUS
State location: TX | State of Inc.: NV | Fiscal Year End: 0930
(CF Office: 04 Manufacturing)
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Items 1 - 100  0000080420 Filings RSS Feed
Filings Format Description Filing Date File/Film Number
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000050 Size: 5 KB
2025-03-27
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000047 Size: 5 KB
2025-03-27
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-25-002305 (33 Act)  Size: 4 KB
2025-03-25 001-12488
25768493
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-25-002302 (33 Act)  Size: 4 KB
2025-03-25 001-12488
25768377
8-K  Documents   Interactive Data Current report, items 3.03, 5.03, and 9.01
Acc-no: 0000080420-25-000044 (34 Act)  Size: 360 KB
2025-02-24 001-12488
25657666
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000041 Size: 5 KB
2025-02-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000040 Size: 5 KB
2025-02-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000039 Size: 5 KB
2025-02-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000038 Size: 5 KB
2025-02-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000037 Size: 5 KB
2025-02-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000036 Size: 5 KB
2025-02-21
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000035 Size: 5 KB
2025-02-21
8-K  Documents   Interactive Data Current report, items 5.03, 5.07, and 9.01
Acc-no: 0000080420-25-000034 (34 Act)  Size: 214 KB
2025-02-19 001-12488
25641881
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-25-000032 Size: 5 KB
2025-02-12
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-25-000031 Size: 3 KB
2025-02-12
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000080420-25-000029 (34 Act)  Size: 4 MB
2025-02-07 001-12488
25600271
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000080420-25-000026 (34 Act)  Size: 290 KB
2025-02-06 001-12488
25597896
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000080420-25-000020 (34 Act)  Size: 213 KB
2025-02-04 001-12488
25588802
ARS  Documents Annual Report to Security Holders
Acc-no: 0000080420-25-000017 (34 Act)  Size: 11 MB
2025-01-06 001-12488
25511592
DEFA14A  Documents Additional definitive proxy soliciting materials and Rule 14(a)(12) material
Acc-no: 0001140361-25-000276 (34 Act)  Size: 1 MB
2025-01-06 001-12488
25508920
DEF 14A  Documents   Interactive Data Other definitive proxy statements
Acc-no: 0001140361-25-000275 (34 Act)  Size: 5 MB
2025-01-06 001-12488
25508912
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000096 Size: 6 KB
2024-12-23
PRE 14A  Documents   Interactive Data Other preliminary proxy statements
Acc-no: 0001140361-24-050149 (34 Act)  Size: 5 MB
2024-12-23 001-12488
241569619
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000095 Size: 6 KB
2024-12-06
4/A  Documents [Amend] Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000094 Size: 6 KB
2024-12-06
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000093 Size: 5 KB
2024-12-04
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000092 Size: 5 KB
2024-12-04
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000091 Size: 6 KB
2024-12-04
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000090 Size: 6 KB
2024-12-04
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000089 Size: 5 KB
2024-12-04
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000088 Size: 5 KB
2024-12-04
10-K  Documents   Interactive Data Annual report [Section 13 and 15(d), not S-K Item 405]
Acc-no: 0000080420-24-000086 (34 Act)  Size: 8 MB
2024-11-20 001-12488
241480139
8-K  Documents   Interactive Data Current report, items 2.02 and 9.01
Acc-no: 0000080420-24-000084 (34 Act)  Size: 319 KB
2024-11-19 001-12488
241476590
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000013 Size: 16 KB
2024-11-13
144  Documents Report of proposed sale of securities
Acc-no: 0001949846-24-000651 (33 Act)  Size: 7 KB
2024-11-07 001-12488
241434490
8-K  Documents   Interactive Data Current report, items 8.01 and 9.01
Acc-no: 0000080420-24-000081 (34 Act)  Size: 212 KB
2024-11-05 001-12488
241427914
SC 13G/A  Documents [Amend] Statement of Beneficial Ownership by Certain Investors
Acc-no: 0000354204-24-004692 (34 Act)  Size: 19 KB
2024-10-31 005-43757
241413736
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000012 Size: 6 KB
2024-10-15
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000011 Size: 16 KB
2024-10-11
SC 13D/A  Documents [Amend] General Statement of Acquisition of Beneficial Ownership
Acc-no: 0001104659-24-107765 (34 Act)  Size: 61 KB
2024-10-10 005-43757
241365861
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000009 Size: 16 KB
2024-10-09
144  Documents Report of proposed sale of securities
Acc-no: 0001949846-24-000594 (33 Act)  Size: 5 KB
2024-10-04 001-12488
241354392
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000079 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000078 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000077 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000076 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000075 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000074 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000073 Size: 5 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000072 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000071 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000070 Size: 6 KB
2024-10-02
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000069 Size: 4 KB
2024-09-26
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000008 Size: 18 KB
2024-09-26
144  Documents Report of proposed sale of securities
Acc-no: 0001949846-24-000587 (33 Act)  Size: 4 KB
2024-09-23 001-12488
241316219
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000068 Size: 11 KB
2024-09-17
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-24-006484 (33 Act)  Size: 6 KB
2024-09-13 001-12488
241298534
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000066 Size: 4 KB
2024-09-10
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000064 Size: 15 KB
2024-08-29
144  Documents Report of proposed sale of securities
Acc-no: 0001958244-24-003957 (33 Act)  Size: 7 KB
2024-08-27 001-12488
241249343
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000063 Size: 13 KB
2024-08-19
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000062 Size: 4 KB
2024-08-19
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-24-005691 (33 Act)  Size: 5 KB
2024-08-16 001-12488
241215738
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000061 Size: 11 KB
2024-08-09
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-24-005477 (33 Act)  Size: 5 KB
2024-08-09 001-12488
241191892
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000060 Size: 4 KB
2024-08-06
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000080420-24-000059 (34 Act)  Size: 5 MB
2024-07-31 001-12488
241161308
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0000080420-24-000057 (34 Act)  Size: 367 KB
2024-07-30 001-12488
241157839
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000053 Size: 13 KB
2024-07-12
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-24-004884 (33 Act)  Size: 5 KB
2024-07-12 001-12488
241114711
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000051 Size: 5 KB
2024-06-28
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000049 Size: 3 KB
2024-06-28
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000048 Size: 15 KB
2024-06-18
144/A  Documents [Amend] Report of proposed sale of securities
Acc-no: 0001959173-24-004454 (33 Act)  Size: 5 KB
2024-06-14 001-12488
241045461
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-24-004446 (33 Act)  Size: 5 KB
2024-06-14 001-12488
241044787
4/A  Documents [Amend] Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000047 Size: 11 KB
2024-06-11
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000046 Size: 11 KB
2024-06-10
144  Documents Report of proposed sale of securities
Acc-no: 0001959173-24-004268 (33 Act)  Size: 5 KB
2024-06-07 001-12488
241027966
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000045 Size: 3 KB
2024-06-04
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000044 Size: 4 KB
2024-06-04
3/A  Documents [Amend] Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000043 Size: 4 KB
2024-06-03
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000007 Size: 19 KB
2024-06-03
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000042 Size: 3 KB
2024-06-03
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000041 Size: 3 KB
2024-05-31
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000040 Size: 3 KB
2024-05-31
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000039 Size: 3 KB
2024-05-30
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000038 Size: 3 KB
2024-05-30
3  Documents Initial statement of beneficial ownership of securities
Acc-no: 0000080420-24-000037 Size: 3 KB
2024-05-30
SD  Documents Specialized disclosure report
Acc-no: 0000080420-24-000035 (34 Act)  Size: 1 MB
2024-05-28 001-12488
24992665
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000032 Size: 4 KB
2024-05-07
144  Documents Report of proposed sale of securities
Acc-no: 0001949846-24-000234 (33 Act)  Size: 5 KB
2024-05-06 001-12488
24917133
10-Q  Documents   Interactive Data Quarterly report [Sections 13 or 15(d)]
Acc-no: 0000080420-24-000030 (34 Act)  Size: 5 MB
2024-05-01 001-12488
24901712
8-K  Documents   Interactive Data Current report, items 2.02, 8.01, and 9.01
Acc-no: 0000080420-24-000026 (34 Act)  Size: 365 KB
2024-04-30 001-12488
24898048
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000006 Size: 15 KB
2024-03-05
144  Documents Report of proposed sale of securities
Acc-no: 0001949846-24-000115 (33 Act)  Size: 863 KB
2024-03-04 001-12488
24714857
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000005 Size: 6 KB
2024-03-01
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000004 Size: 36 KB
2024-02-28
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0001219199-24-000003 Size: 21 KB
2024-02-23
4  Documents Statement of changes in beneficial ownership of securities
Acc-no: 0000080420-24-000024 Size: 11 KB
2024-02-22
144  Documents Report of proposed sale of securities
Acc-no: 0001972362-24-000176 (33 Act)  Size: 7 KB
2024-02-21 001-12488
24661490