TETRA TECH INC
TTEK · Services Engineering Services
Latest available SEC filing: 4 ·
Latest disclosures
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Volpi Kirsten M: Form 4
Insider disclosure · Filed · Report period 04 Aug 2026
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Form 4
SEC filing · Filed
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Latest financial period: Q2 2026
Financial facts · Filed
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Form 10-Q
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 4
SEC filing · Filed
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Form 10-Q
SEC filing · Filed
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Form 4
SEC filing · Filed
Institutional holders by security
Choose a share class to see reported 13F positions and quarterly changes. Different securities have separate holder histories.
- TTEK · 88162G103 - Common Stock
Company details and SEC sources
CIK 0000831641 · SEC filing index. Filing dates describe disclosures, not live market data.
- Listed symbols
- TTEK on Nasdaq
- SEC industry group
- Services Engineering Services (Office of Trade and Services)
- Business address
- 3475 East Foothill Boulevard, Pasadena, CA, 91107
- Incorporated in
- DE
- Fiscal year end
- 27 September
At a glance
Names, identifiers, and filing context for this profile.
2 identity fields