secwatch.observer — SEC 8-K summary
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Issuer:     TETRA TECH INC (TTEK)
CIK:        0000831641
Form:       8-K
Filed at:   2025-12-22T23:59:59+00:00
Accession:  0001104659-25-123764
Event type: leadership
Sentiment:  neutral
Materiality: 0.35
Item codes: 5.02, 8.01, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Tetra Tech appoints ex-American Water CEO Susan Hardwick and ex-US Ecology CEO Jeff Feeler to board
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- M. Susan Hardwick and Jeffrey R. Feeler appointed to Tetra Tech board, effective December 29, 2025.
- Hardwick, former CEO of American Water (2022-2024), joins Audit and Nominating/Governance committees.
- Feeler, former Chairman/CEO of US Ecology (2013-2022), joins Audit and Compensation committees.
- Both will receive standard non-employee director compensation: $110K annual retainer plus $175K equity award pro-rated.
- Board expands to eight members with these appointments.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/831641/000110465925123764/0001104659-25-123764-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/831641/000110465925123764/tm2534127d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-25-123764

License: Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer