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Filing Detail
Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000831641-18-000168
Filing Date
2018-11-21
Accepted
2018-11-21 20:02:59
Documents
1
Period of Report
2018-11-20

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_154284856368174.html 4  
1 FORM 4 wf-form4_154284856368174.xml 4 4717
  Complete submission text file 0000831641-18-000168.txt   6044
Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107 6263514664
TETRA TECH INC (Issuer) CIK: 0000831641 (see all company filings)

IRS No.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0930
SIC: 8711 Services-Engineering Services

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address
Amidon Derek G (Reporting) CIK: 0001721981 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19655 | Film No.: 181199071