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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000354204-12-001090
Filing Date
2012-02-14
Accepted
2012-02-13 19:40:12
Documents
1

Document Format Files

Seq Description Document Type Size
1 SCHEDULE 13G/A rrd345.htm SC 13G/A 50161
  Complete submission text file 0000354204-12-001090.txt   51807
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

Mailing Address 3101 MCKELVEY ROAD ST LOUIS MO 63044
Business Address 3101 MCKELVEY RD ST LOUIS MO 63044 3142915110
ZOLTEK COMPANIES INC (Subject) CIK: 0000890923 (see all company filings)

IRS No.: 431311101 | State of Incorp.: DE | Fiscal Year End: 0930
Type: SC 13G/A | Act: 34 | File No.: 005-50421 | Film No.: 12601666
SIC: 3620 Electrical Industrial Apparatus