---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-114455"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2022-11-03T23:59:59+00:00"
generated_at: "2026-06-22T10:40:02.600455+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech's cash acquisition of RPS Group approved by RPS shareholders; scheme expected effective by end 2022

## Summary
- Scheme approved by 99.94% of votes (158.9M shares) at both Court and General Meetings.
- Acquisition remains subject to outstanding conditions, including foreign investment approvals in Australia and UK.
- Transaction expected to close by end of 2022, pending Court sanction and delivery of Court Order.

## SEC filing metadata
- accession: 0001104659-22-114455
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2022-11-03T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465922114455/0001104659-22-114455-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465922114455/tm2229669d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-114455
- JSON: https://secwatch.observer/filing/0001104659-22-114455.json
- Plain text: https://secwatch.observer/filing/0001104659-22-114455.txt

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