---
schema_version: "secwatch.filing_event.v1"
accession: "0001206264-25-000025"
form_type: "8-K/A"
ticker: "SGI"
cik: "0001206264"
company_name: "SOMNIGROUP INTERNATIONAL INC."
filed_at: "2025-02-06T23:59:59+00:00"
generated_at: "2026-05-27T01:27:54.772379+00:00"
event_type: "m_and_a"
sentiment: "positive"
materiality_score: 0.95
calibrated_materiality_score: 0.95
confidence: "high"
source: SEC EDGAR
---

# Tempur Sealy completes $5B acquisition of Mattress Firm; name change to Somnigroup

## Summary
- Total purchase price approx. $5B: $2.7B cash + 34.2M Tempur Sealy shares issued.
- Pro forma annual sales ~$8B (85% North America, 65% direct-to-consumer channels).
- Company to rename Somnigroup International Inc., ticker SGI, effective Feb 18, 2025.
- Peter Sachse appointed to Board; will divest 73 Mattress Firm stores and Sleep Outfitters to Mattress Warehouse in Q2 2025.
- CEO cites 80% stock price increase since deal announced; expects enhanced omni-channel strategy.

## SEC filing metadata
- accession: 0001206264-25-000025
- form_type: 8-K/A
- ticker: SGI
- cik: 0001206264
- company_name: SOMNIGROUP INTERNATIONAL INC.
- filed_at: 2025-02-06T23:59:59+00:00
- event_type: m_and_a
- sentiment: positive
- materiality_score: 0.95
- calibrated_materiality_score: 0.95
- confidence: high
- sec_items: 3.02, 2.01, 2.03, 5.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1206264/000120626425000025/0001206264-25-000025-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1206264/000120626425000025/tpx-20250205.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001206264-25-000025
- JSON: https://secwatch.observer/filing/0001206264-25-000025.json
- Plain text: https://secwatch.observer/filing/0001206264-25-000025.txt

## Key facts
- Executive change
  Peter R. Sachse was appointed as Director at SOMNIGROUP INTERNATIONAL INC..
  - Action: appointed
  - Role: Director
  source text: Pursuant to the terms of the Merger Agreement, the Board of Directors (the "Board") of the Company approved an increase of the size of the Board from 7 to 8 members effective February 5, 2025 and filled the newly created vacancy by appointing Peter R. Sachse, as an independent director, to serve on the Board, effective on the same day.
  evidence_url: https://www.sec.gov/Archives/edgar/data/1206264/000120626425000025/0001206264-25-000025-index.htm

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