Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000831641-20-000071
Filing Date
2020-08-07
Accepted
2020-08-07 19:18:56
Documents
1
Period of Report
2020-08-06

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_159684220285592.html 4  
1 FORM 4 wf-form4_159684220285592.xml 4 3319
  Complete submission text file 0000831641-20-000071.txt   4678
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)

EIN.: 954148514 | State of Incorp.: DE | Fiscal Year End: 0927
SIC: 8711 Services-Engineering Services

Mailing Address ALASKA AIR GROUP 19300 PACIFIC HIGHWAY SOUTH SEATTLE WA 98188
Business Address
THOMPSON J KENNETH (Reporting) CIK: 0001188787 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19655 | Film No.: 201086087