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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. 8-K Event Results of operations
  2. SC 13G Stake Amended Statement of Ownership
  3. SC 13G Stake Amended Statement of Ownership
  4. UPLOAD Other SEC-generated Letter
  5. DEF 14A Proxy Proxy Statement
  6. 10-K/A Report 10-K/A
  7. 10-K Report Annual Report
  8. NT 10-K Other NT 10-K
  9. 8-K Event Other events
  10. CORRESP Other Correspondence Between Filers and SEC Staff
  11. CORRESP Other Correspondence Between Filers and SEC Staff
  12. 4 Insider Changes in Ownership
  13. 4 Insider Changes in Ownership
  14. 4 Insider Changes in Ownership
  15. 4 Insider Changes in Ownership
  16. 4 Insider Changes in Ownership
  17. 4 Insider Changes in Ownership
  18. 4 Insider Changes in Ownership
  19. 4 Insider Changes in Ownership
  20. 4 Insider Changes in Ownership

Page 86 of 107 · 2,122 filings