---
schema_version: "secwatch.filing_event.v1"
accession: "0001140361-25-043720"
form_type: "8-K"
ticker: "SGI"
cik: "0001206264"
company_name: "SOMNIGROUP INTERNATIONAL INC."
filed_at: "2025-12-01T23:59:59+00:00"
generated_at: "2026-05-16T15:51:25.946490+00:00"
event_type: "m_and_a"
sentiment: "neutral"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Somnigroup proposes to acquire Leggett & Platt for $12/share in all-stock deal with 30.3% premium

## Summary
- Proposed consideration: shares of SGI stock valued at $12.00 per LEG share, a 30.3% premium over 30-day average price.
- All-stock transaction not subject to financing contingency or SGI shareholder approval; requires LEG shareholder and regulatory approvals.
- Somnigroup expects the combination to be accretive before synergies; LEG would operate independently under SGI umbrella.
- Response requested by December 22, 2025; proposal unanimously authorized by SGI Board.

## SEC filing metadata
- accession: 0001140361-25-043720
- form_type: 8-K
- ticker: SGI
- cik: 0001206264
- company_name: SOMNIGROUP INTERNATIONAL INC.
- filed_at: 2025-12-01T23:59:59+00:00
- event_type: m_and_a
- sentiment: neutral
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1206264/000114036125043720/0001140361-25-043720-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1206264/000114036125043720/ef20060239_8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001140361-25-043720
- JSON: https://secwatch.observer/filing/0001140361-25-043720.json
- Plain text: https://secwatch.observer/filing/0001140361-25-043720.txt

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