secwatch.observer — SEC 8-K summary
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Issuer:     TETRA TECH INC (TTEK)
CIK:        0000831641
Form:       8-K
Filed at:   2026-02-20T23:59:59+00:00
Accession:  0001104659-26-018205
Event type: leadership
Sentiment:  neutral
Materiality: 0.50
Item codes: 5.02, 5.07, 9.01
LLM model:  deepseek-v4-flash:cloud@v2

Tetra Tech appoints CEO Roger R. Argus to board; Batrack becomes Executive Chairman
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- Roger R. Argus appointed to Board of Directors effective Feb 19, 2026, following his promotion to CEO earlier in February.
- Dan L. Batrack signed filing as Executive Chairman, indicating transition from CEO role.
- All six director nominees elected with support from over 88% of votes cast; advisory say-on-pay approved with 92.2% for.
- Amendment to Employee Stock Purchase Plan approved (99.5% for); PricewaterhouseCoopers ratified as auditor for fiscal 2026.
- Board now has seven members; Argus will not serve on any committee.

Source:
  EDGAR index:    https://www.sec.gov/Archives/edgar/data/831641/000110465926018205/0001104659-26-018205-index.htm
  Primary doc:    https://www.sec.gov/Archives/edgar/data/831641/000110465926018205/tm266903d1_8k.htm
  HTML page:      https://secwatch.observer/filing/0001104659-26-018205

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