Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-19-005757
Filing Date
2019-02-12
Accepted
2019-02-11 17:49:55
Documents
1

Document Format Files

Seq Description Document Type Size
1 tetratechnologiesinc.htm SC 13G/A 32651
  Complete submission text file 0000932471-19-005757.txt   34127
Mailing Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600
Business Address PO BOX 2600 V26 VALLEY FORGE PA 19482-2600 6106691000
VANGUARD GROUP INC (Filed by) CIK: 0000102909 (see all company filings)

EIN.: 231945930 | State of Incorp.: PA | Fiscal Year End: 1231
Type: SC 13G/A

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)

EIN.: 742148293 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A | Act: 34 | File No.: 005-44995 | Film No.: 19586823
SIC: 1311 Crude Petroleum & Natural Gas