---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-118762"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2023-11-15T23:59:59+00:00"
generated_at: "2026-06-08T02:56:10.904529+00:00"
event_type: "earnings"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech Q4 revenue $1.26B +40% YoY, adj EPS $1.78 +41%, FY revenue $4.52B, initiates FY24 growth guidance

## Summary
- Q4 revenue $1.26B (+40% YoY), net revenue $1.06B (+44%), GAAP EPS $1.00, adj EPS $1.78 (+41%).
- Adjusted EBITDA $153M (+51% YoY); backlog record $4.79B (+$1.05B YoY).
- FY23 revenue $4.52B (+29%), net revenue $3.75B (+32%), adj EBITDA $481M (+33%); GAAP EPS $5.10; adj EPS $5.58 (+24%).
- Cash from ops Q4 $122M (+103% YoY); FY23 $368M; DSO record low 54 days.
- Dividend raised 13% to $0.26/share, payable Dec 13, 2023; FY24 guidance expects double-digit revenue and EPS growth.

## SEC filing metadata
- accession: 0001104659-23-118762
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2023-11-15T23:59:59+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/831641/000110465923118762/0001104659-23-118762-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465923118762/tm2330497d2_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-118762
- JSON: https://secwatch.observer/filing/0001104659-23-118762.json
- Plain text: https://secwatch.observer/filing/0001104659-23-118762.txt

## Key facts
- Earnings Releases
  TETRA TECH INC reported the fourth fiscal quarter ended October 1, 2023 results: revenue $1.26 billion, EPS $1.00.
  - Period: the fourth fiscal quarter ended October 1, 2023
  - Revenue: $1.26 billion
  - EPS: $1.00
  - Result: reported results
  source text: 99.1) --- EX-99.1 2 tm2330497d2_ex99-1.htm EXHIBIT 99.1 Exhibit 99.1 NEWS RELEASE November 15, 2023 Tetra Tech Reports Record Fourth Quarter and Fiscal 2023 Results · Revenue $1.26 billion, up 40% Y/Y · Net revenue $1.06 billion, up 44% Y/Y · Quarterly adjusted EBITDA $153 million, up 51% Y/Y · Backlog of $4.79 billion, up $1.05 billion Y/Y · Initiates FY24
  evidence_url: https://www.sec.gov/Archives/edgar/data/831641/000110465923118762/0001104659-23-118762-index.htm
- Earnings Releases
  TETRA TECH INC reported the fiscal year ended October 1, 2023 results: revenue $4.52 billion, EPS $5.10. Guidance initiated.
  - Period: the fiscal year ended October 1, 2023
  - Revenue: $4.52 billion
  - EPS: $5.10
  - Guidance: initiated
  - Result: reported results
  source text: Tech also achieved record annual results with all-time highs for revenue, net revenue, operating income, adjusted EBITDA, earnings and cash flow. Revenue for fiscal 2023 was $4.52 billion and net revenue was $3.75 billion, up 29% and 32%, respectively, over fiscal 2022. Adjusted EBITDA was $481 million, up 33% compared to last year. GAAP EPS was $5.10; adjusted
  evidence_url: https://www.sec.gov/Archives/edgar/data/831641/000110465923118762/0001104659-23-118762-index.htm

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