Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000831641-25-000026
Filing Date
2025-08-15
Accepted
2025-08-15 16:37:14
Documents
1
Period of Report
2025-08-14

Document Format Files

Seq Description Document Type Size
1 FORM 4 wk-form4_1755290230.html 4  
1 FORM 4 wk-form4_1755290230.xml 4 3373
  Complete submission text file 0000831641-25-000026.txt   4775
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: 0928
SIC: 8711 Services-Engineering Services
(CF Office: 07 Trade & Services)

Mailing Address 3475 EAST FOOTHILL BOULEVARD PASADENA CA 91107
Business Address
Birkenbeuel Gary (Reporting) CIK: 0001748476 (see all company filings)

Type: 4 | Act: 34 | File No.: 000-19655 | Film No.: 251225199