---
schema_version: "secwatch.filing_event.v1"
accession: "0001104659-22-102772"
form_type: "8-K"
ticker: "TTEK"
cik: "0000831641"
company_name: "TETRA TECH INC"
filed_at: "2022-09-26T23:59:59+00:00"
generated_at: "2026-06-23T07:34:58.636165+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 acquires RPS Group for 222p/share (~£636M) in recommended cash offer

## Summary
- Acquiring RPS Group plc for 222 pence per share in cash, valuing RPS at approximately £636 million.
- Price represents a 7.8% premium over the competing WSP offer of 206p per share.
- Entered a £714M + $350M bridge loan facility with Bank of America to finance the acquisition.
- Received irrevocable undertakings from shareholders representing 27.53% of RPS issued share capital to support the deal.
- Acquisition expected to be mid-to-high teen percent accretive to Tetra Tech's adjusted EPS after realizing £21M in cost synergies.

## SEC filing metadata
- accession: 0001104659-22-102772
- form_type: 8-K
- ticker: TTEK
- cik: 0000831641
- company_name: TETRA TECH INC
- filed_at: 2022-09-26T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 2.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/831641/000110465922102772/0001104659-22-102772-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/831641/000110465922102772/tm2226569d1_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001104659-22-102772
- JSON: https://secwatch.observer/filing/0001104659-22-102772.json
- Plain text: https://secwatch.observer/filing/0001104659-22-102772.txt

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