-----BEGIN PRIVACY-ENHANCED MESSAGE----- Proc-Type: 2001,MIC-CLEAR Originator-Name: webmaster@www.sec.gov Originator-Key-Asymmetric: MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB MIC-Info: RSA-MD5,RSA, RWFkZB2miwe4RSF1dDeoLA8EumWHxzroV/2sDPnzLOCRAiyM3yhCiiJkHh4Udr+1 U+LmcsKuI6c3cXWcHP5iYQ== 0000902219-96-000051.txt : 19960209 0000902219-96-000051.hdr.sgml : 19960209 ACCESSION NUMBER: 0000902219-96-000051 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 19960208 SROS: NASD SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: POWELL INDUSTRIES INC CENTRAL INDEX KEY: 0000080420 STANDARD INDUSTRIAL CLASSIFICATION: SWITCHGEAR & SWITCHBOARD APPARATUS [3613] IRS NUMBER: 880106100 STATE OF INCORPORATION: NV FISCAL YEAR END: 1031 FILING VALUES: FORM TYPE: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-43757 FILM NUMBER: 96512932 BUSINESS ADDRESS: STREET 1: 8550 MOSLEY DR STREET 2: POST OFFICE BOX 12818 CITY: HOUSTON STATE: TX ZIP: 77075 BUSINESS PHONE: 7139446900 MAIL ADDRESS: STREET 2: 8550 MOSLEY DRIVE P O BOX 12818 CITY: HOUSTON STATE: TX ZIP: 77075 FORMER COMPANY: FORMER CONFORMED NAME: PROCESS SYSTEMS INC DATE OF NAME CHANGE: 19780926 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: WELLINGTON MANAGEMENT CO CENTRAL INDEX KEY: 0000902219 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 042683227 STATE OF INCORPORATION: MA FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 75 STATE STREET CITY: BOSTON STATE: MA ZIP: 02109 BUSINESS PHONE: 6179515000 MAIL ADDRESS: STREET 1: 75 STATE STREET CITY: BOSTON STATE: MA ZIP: 02109 SC 13G/A 1 13G FORM SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. SCHEDULE 13G (Under the Securities Exchange Act of 1934) (Amendment No.1)* POWELL INDUSTRIES, INC. - ------------------------------ (Name of Issuer) COMMON STOCK - --------------------------------- (Title of Class of Securities) 73912810 - ----------------------- (Cusip Number) Check the following box if a fee is being paid with this statement [ ]. (A fee is not required only if the filing person: (1) has a previous statement on file reporting beneficial ownership of more than five percent of the class of securities described in Item 1; and (2) has filed no amendment subsequent thereto reporting beneficial ownership of more than five percent or less of such class.) (See Rule 13d-7.) *The remainder of this cover page shall be filled out for a reporting person's initial filing of this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes.) [Continued on the following page(s)] Page 1 of 4 Pages CUSIP No. 73912810 Page 2 of 4 Pages - ---------------------------------------------------------------- 1. Name of reporting person S.S. or I.R.S. identification no. of above person Wellington Management Company 04-2683227 - ---------------------------------------------------------------- 2. Check the appropriate box if a member of a group (a)( ) (b)( ) - ---------------------------------------------------------------- 3. SEC use only - ---------------------------------------------------------------- 4. Citizenship or place of organization Massachusetts - ---------------------------------------------------------------- 5. Sole Voting Power 0 Number of ----------------------------- shares 6. Shared Voting Power beneficially owned by 453,000 each ----------------------------- Reporting 7. Sole Dispositive Power person with 0 ----------------------------- 8. Shared Dispositive Power 747,000 - --------------------------------------------------------------- 9. Aggregate amount beneficially owned by each reporting person 747,000 - ---------------------------------------------------------------- 10. Check if the aggregate amount in row (9) excludes certain shares* - ---------------------------------------------------------------- 11. Percent of class represented by amount in row 9 7.09% - ---------------------------------------------------------------- 12. Type of Reporting person IA, HC Page 3 of 4 Pages Cusip #:73912810 SCHEDULE 13G ITEM 1(A): NAME OF ISSUER: POWELL INDUSTRIES, INC. 1(B): ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 8550 MOSLEY DRIVE HOUSTON TX 77075-1180 ITEM 2(A): NAME OF PERSON FILING: Wellington Management Company ("WMC") ITEM 2(B): ADDRESS OF PRINCIPAL BUSINESS OFFICE: 75 State Street Boston, Massachusetts 02109 ITEM 2(C): CITIZENSHIP: See Item 4 of Cover Page ITEM 2(D): TITLE OF CLASS OF SECURITIES: See Cover Page ITEM 2(E): CUSIP NUMBER: See Cover Page ITEM 3: TYPE OF REPORTING PERSON: See Item 12 of Cover Page ITEM 4: OWNERSHIP: (a) AMOUNT BENEFICIALLY OWNED: WMC, in its capacity as investment adviser, may be deemed the beneficial owner of 747,000 shares of common stock of the Issuer which are owned by numerous investment counselling clients. (b) PERCENT OF CLASS: 7.09% (c) For information on voting and dispositive power with respect to the above listed shares, see Items 5 - 8 of Cover Page. Page 4 of 4 Pages Cusip #:73912810 ITEM 5: OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: ITEM 6: OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON: Shares as to which this Schedule is filed are owned by a variety of investment advisory clients of the person filing this Schedule, which clients receive dividends and the proceeds from the sale of such shares. No such client is known to have such interest with respect to more than five percent of the class except as follows: NONE ITEM 7: IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY: Wellington Trust Company, N.A. (BK) ITEM 8: IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not Applicable ITEM 9: NOTICE OF DISSOLUTION OF GROUP: Not Applicable ITEM 10: CERTIFICATION: By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired in the ordinary course of business and were not acquired for the purpose of and do not have the effect of changing or influencing the control of the issuer of such securities and were not acquired in connection with or as a participant in any transaction having such purpose or effect. SIGNATURE: After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: JANUARY 31, 1996 Signature: --//Brian P. Hillery//-- Name/Title: BRIAN P. HILLERY Regulatory Analyst -----END PRIVACY-ENHANCED MESSAGE-----