Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000932471-19-005756
Filing Date
2019-02-12
Accepted
2019-02-11 17:48:47
Documents
1

Document Format Files

Seq Description Document Type Size
1 tetratechinc.htm SC 13G/A 32624
  Complete submission text file 0000932471-19-005756.txt   34088
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 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Subject) CIK: 0000831641 (see all company filings)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0929
Type: SC 13G/A | Act: 34 | File No.: 005-43035 | Film No.: 19586816
SIC: 8711 Services-Engineering Services