---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-26-007481"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2026-01-28T23:59:59+00:00"
generated_at: "2026-05-16T07:15:31.478890+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech beats Q1 estimates, raises FY26 guidance, boosts dividend 12%

## Summary
- Q1 net revenue of $1.04B, up 8% excluding USAID/DOS and hurricane impacts; EPS $0.40, adjusted EPS $0.35.
- Operating income $141M; adjusted EBITDA $147M with margin up 140 bps YoY; cash from ops $72M, $517M TTM.
- Board declared $0.065 quarterly dividend (+12% YoY), payable Feb 27 to holders of record Feb 12.
- Acquired Halvik (data analytics/defense) and Providence (program advisory) to expand front-end consulting.
- Roger Argus promoted to CEO effective after annual shareholder meeting; Dan Batrack remains Chairman.

## SEC filing metadata
- accession: 0001104659-26-007481
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2026-01-28T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465926007481/0001104659-26-007481-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465926007481/tm264341d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-26-007481
- JSON: https://secwatch.observer/filing/0001104659-26-007481.json
- Plain text: https://secwatch.observer/filing/0001104659-26-007481.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.