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CIK 0000831641 · Large accelerated filer

TETRA TECH INC

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Ticker
TTEK
Exchange
Nasdaq
Industry
Services-Engineering Services
FY end
Sep 27
Incorporated
DE
Entity type
operating
EIN
954148514
Phone
6263514664
Business address
3475 EAST FOOTHILL BOULEVARD, PASADENA, CA, 91107
  1. 4 Insider Changes in Ownership
  2. 4 Insider Changes in Ownership
  3. 144 Insider Sale of Securities
  4. 10-Q Report Quarterly Report
  5. 8-K Event Results of operations · Other events
  6. 4 Insider Changes in Ownership
  7. 4 Insider Changes in Ownership
  8. 4 Insider Changes in Ownership
  9. 4 Insider Changes in Ownership
  10. ARS Other Annual Report to Security Holders
  11. DEFA14A Proxy Proxy Materials
  12. DEF 14A Proxy Proxy Statement
  13. 3 Insider Initial Statement of Ownership
  14. 3 Insider Initial Statement of Ownership
  15. 8-K Event Executive or director change · Other events
  16. 8-K Event Executive or director change · Other events
  17. 4 Insider Changes in Ownership
  18. 4 Insider Changes in Ownership
  19. 4 Insider Changes in Ownership
  20. 4 Insider Changes in Ownership

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