---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-21-140598"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2021-11-17T23:59:59+00:00"
generated_at: "2026-06-28T07:34:46.748249+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech reports record Q4 revenue $892M, EPS $1.52, up 85% YoY; dividend increased 18%

## Summary
- Q4 revenue $892M (+18% YoY); net revenue $709M (+20%); GAAP EPS $1.52 (+85%); adjusted EPS $1.05 (+15%).
- Record backlog $3.48B (+7% YoY); cash from operations $78M (+15% YoY).
- FY2021 revenue $3.21B; EPS $4.26; adjusted EPS $3.79; cash from operations $304M (+16% YoY).
- Board declared $0.20/share quarterly dividend, 18% increase; $548M available for share repurchases.

## SEC filing metadata
- accession: 0001104659-21-140598
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2021-11-17T23:59:59+00:00
- event_type: earnings
- sentiment: positive
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 2.02, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465921140598/0001104659-21-140598-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465921140598/tm2133193d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-21-140598
- JSON: https://secwatch.observer/filing/0001104659-21-140598.json
- Plain text: https://secwatch.observer/filing/0001104659-21-140598.txt

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