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Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001258897-18-001264
Filing Date
2018-02-09
Accepted
2018-02-09 09:13:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A dfs408.htm SC 13G/A 51219
  Complete submission text file 0001258897-18-001264.txt   53052
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 (Subject) CIK: 0000080420 (see all company filings)

IRS No.: 880106100 | State of Incorp.: NV | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-43757 | Film No.: 18588478
SIC: 3613 Switchgear & Switchboard Apparatus

Mailing Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746
Business Address 6300 BEE CAVE ROAD BUILDING ONE AUSTIN TX 78746 (512) 306-7400
DIMENSIONAL FUND ADVISORS LP (Filed by) CIK: 0000354204 (see all company filings)

IRS No.: 222370029 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000