---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-126279"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2022-12-12T23:59:59+00:00"
generated_at: "2026-06-21T06:32:03.688969+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.7
calibrated_materiality_score: 0.7
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech receives Australian and UK regulatory clearances for RPS acquisition; scheme effective Jan 23, 2023

## Summary
- Received foreign investment clearances in Australia and the United Kingdom for its acquisition of RPS Group.
- Conditions relating to regulatory clearances have been waived; Court Hearing to sanction scheme set for Jan 19, 2023.
- Scheme effective date expected Jan 23, 2023; long-stop date Aug 9, 2023.
- Deal originally announced Nov 17, 2022; total cash consideration not restated in this filing.

## SEC filing metadata
- accession: 0001104659-22-126279
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2022-12-12T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.7
- calibrated_materiality_score: 0.7
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465922126279/0001104659-22-126279-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465922126279/tm2232468d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-126279
- JSON: https://secwatch.observer/filing/0001104659-22-126279.json
- Plain text: https://secwatch.observer/filing/0001104659-22-126279.txt

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