---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-23-006206"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2023-01-24T23:59:59+00:00"
generated_at: "2026-06-20T11:18:27.521358+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Tetra Tech completes acquisition of RPS Group for 222 pence per share in cash

## Summary
- Acquisition of RPS Group completed; RPS shareholders receive 222 pence per share in cash.
- Scheme of arrangement sanctioned by UK High Court on Jan 19, 2023; effective Jan 23, 2023.
- RPS shares delisted from London Stock Exchange on Jan 24, 2023.
- Tetra Tech now owns entire issued and to-be-issued share capital of RPS.
- Financial statements and pro forma information to be filed within 71 days.

## SEC filing metadata
- accession: 0001104659-23-006206
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2023-01-24T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 2.01, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465923006206/0001104659-23-006206-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465923006206/tm234244d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-23-006206
- JSON: https://secwatch.observer/filing/0001104659-23-006206.json
- Plain text: https://secwatch.observer/filing/0001104659-23-006206.txt

## Key facts
- M&A Transactions
  TETRA TECH INC completed an acquisition involving RPS Group plc for 222 pence in cash for each RPS share.
  - Action: acquisition
  - Counterparty: RPS Group plc
  - Consideration: 222 pence in cash for each RPS share
  source text: documents including a Bridge Credit Agreement, dated September 23, 2022 (the “Bridge Credit Agreement”). Pursuant to the Acquisition, RPS shareholders are entitled to receive 222 pence in cash for each RPS share held by such shareholder. The foregoing summary description of the Acquisition does not purport to be complete and is qualified in its entirety by
  evidence_url: https://www.sec.gov/Archives/edgar/data/831641/000110465923006206/0001104659-23-006206-index.htm

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