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Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000831641-23-000077
Filing Date
2023-11-21
Accepted
2023-11-21 21:53:11
Documents
1
Period of Report
2023-11-18

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1700621581.html 4  
1 FORM 4 wk-form4_1700621581.xml 4 8544
  Complete submission text file 0000831641-23-000077.txt   9898
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: 1001
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.: 231429860