Somnigroup Clears Key Antitrust Hurdle for Leggett & Platt Merger
SGI is trading near its 52-week low of $60.39 (12% above the low).
Summary
Somnigroup International announced that the HSR antitrust waiting period for its acquisition of Leggett & Platt has expired, moving the all-stock merger closer to completion.
Key Events · M&A and Partnerships · SGI
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HSR Waiting Period Expired
The 30-day waiting period under the Hart-Scott-Rodino Antitrust Improvements Act for the Leggett & Platt merger expired on June 3, 2026.
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Merger Progress
This removes a key regulatory condition, advancing the all-stock acquisition of Leggett & Platt, which was announced on April 13, 2026.
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Remaining Conditions
The transaction is still subject to Leggett & Platt shareholder approval, other international regulatory clearances, and the effectiveness of the Form S-4 registration statement.
Analysis · SGI · Manufacturing
This filing confirms the expiration of the Hart-Scott-Rodino (HSR) antitrust waiting period, a critical regulatory milestone for Somnigroup's previously announced all-stock acquisition of Leggett & Platt. While not the final approval, it removes a significant hurdle and indicates progress towards closing the major merger, which was initially announced on April 13, 2026. The transaction remains subject to other conditions, including Leggett & Platt shareholder approval and additional international regulatory clearances.
How filings like this one have moved
In the 30 days to Sep 14, 2026, 29.9% of the 1591 measured filings Wiseek scored 7 moved their stock by 5% or more by the next session's close. The median move was -0.24%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, SGI was trading at $67.41 on NYSE in the Manufacturing sector, with a market capitalization of approximately $14.2B. The 52-week trading range was $60.39 to $98.56. This filing was assessed with positive market sentiment and an importance score of 7 out of 10.