---
schema_version: "secwatch.filing_event.v1"
accession: "0001206264-23-000125"
form_type: "8-K"
ticker: "SGI"
cik: "0001206264"
company_name: "SOMNIGROUP INTERNATIONAL INC."
filed_at: "2023-05-11T23:59:59+00:00"
generated_at: "2026-06-15T03:38:30.769990+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.85
calibrated_materiality_score: 0.85
confidence: "high"
source: SEC EDGAR
---

# Tempur Sealy to acquire Mattress Firm for $2.715B cash + 34.2M shares; FTC second request

## Summary
- Aggregate consideration: $2.715B cash plus 34.2M Tempur Sealy shares (~19.9% of outstanding).
- Post-closing, Mattress Firm shareholders will own ~16.6% of combined entity.
- Transaction requires HSR antitrust clearance; FTC has issued second request for information.
- Reverse termination fee of $50M payable to Mattress Firm if antitrust approval fails.
- Written consents from ~88% of Mattress Firm stockholders (Steinhoff 50.1%, lenders 38.5%) obtained.

## SEC filing metadata
- accession: 0001206264-23-000125
- form_type: 8-K
- ticker: SGI
- cik: 0001206264
- company_name: SOMNIGROUP INTERNATIONAL INC.
- filed_at: 2023-05-11T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.85
- calibrated_materiality_score: 0.85
- confidence: high
- sec_items: 1.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1206264/000120626423000125/0001206264-23-000125-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1206264/000120626423000125/tpx-20230509.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001206264-23-000125
- JSON: https://secwatch.observer/filing/0001206264-23-000125.json
- Plain text: https://secwatch.observer/filing/0001206264-23-000125.txt

## Key facts
- Material Agreements
  SOMNIGROUP INTERNATIONAL INC. entered into Agreement and Plan of Merger with Mattress Firm Group Inc. valued at $2,715,000,000 (effective 2023-05-09).
  - Action: entry
  - Agreement: merger
  - Counterparty: Mattress Firm Group Inc.
  - Value: $2,715,000,000
  - Effective: 2023-05-09
  source text: On May 9, 2023, Tempur Sealy International, Inc. (“ Tempur ”) entered into an Agreement and Plan of Merger (the “ Merger Agreement ”), with Mattress Firm Group Inc. (“ Mattress Firm ”), Lima Holdings Corporation, a Delaware corporation and wholly owned subsidiary of Tempur, and Lima Deal Corporation LLC, a Delaware limited liability company and a wholly owned subsidiary of Tempur, and Steenbok Newco 9 Limited, solely in its capacity as stockholder representative.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1206264/000120626423000125/0001206264-23-000125-index.htm

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