Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000831641-21-000024
Filing Date
2021-02-08
Accepted
2021-02-08 20:09:41
Documents
1
Period of Report
2021-02-05

Document Format Files

Seq Description Document Type Size
1 FORM 4 wf-form4_161283296075300.html 4  
1 FORM 4 wf-form4_161283296075300.xml 4 6917
  Complete submission text file 0000831641-21-000024.txt   8275
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: 1003
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.: 21603275