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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000831641-20-000123
Filing Date
2020-11-20
Accepted
2020-11-20 16:55:52
Documents
1
Period of Report
2020-11-18

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_160590933759540.html 4  
1 FORM 4 wf-form4_160590933759540.xml 4 9181
  Complete submission text file 0000831641-20-000123.txt   10570
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: 0927
SIC: 8711 Services-Engineering Services

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address
LEWIS J CHRISTOPHER (Reporting) CIK: 0001007757 (see all company filings)

State of Incorp.: CA | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-19655 | Film No.: 201333221