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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000950123-11-011825
Filing Date
2011-02-10
Accepted
2011-02-10 16:23:19
Documents
1

Document Format Files

Seq Description Document Type Size
1 SC 13G/A c62860d2sc13gza.htm SC 13G/A 36249
  Complete submission text file 0000950123-11-011825.txt   38520
Mailing Address 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380
Business Address 24955 INTERSTATE 45 NORTH THE WOODLANDS TX 77380 2813671983
TETRA TECHNOLOGIES INC (Subject) CIK: 0000844965 (see all company filings)

IRS No.: 742148293 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44995 | Film No.: 11592869
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 227 W MONROE ST STE 3000 CHICAGO IL 60606
Business Address 227 W MONROE STREET SUITE 3000 CHICAGO IL 60606 312-634-9200
COLUMBIA WANGER ASSET MANAGEMENT LLC (Filed by) CIK: 0000908733 (see all company filings)

IRS No.: 043519872 | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000