Steven H. Rusing - 26 Feb 2026 Form 4 Insider Report for SOMNIGROUP INTERNATIONAL INC. (SGI)

Role: President & CEO Mattress Firm
Signature: /s/ Bhaskar Rao Attorney-in-Fact
Issuer symbol: SGI
Transactions as of: 26 Feb 2026
Net transactions value: $0
Form type: 4
Filing time: 02 Mar 2026, 16:03:10 UTC
Previous filing: 06 Jan 2026
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Rusing Steven H	President & CEO Mattress Firm	C/O SOMNIGROUP INTERNATIONAL INC., 100 CRESCENT CT., SUITE 700, DALLAS	/s/ Bhaskar Rao Attorney-in-Fact	02 Mar 2026	0001428563

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	SGI	Performance Restricted Stock Units	Award	$0	+13,975		$0.000000	13,975	26 Feb 2026	Common Stock	13,975	$0.000000	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Performance restricted stock units and restricted stock units convert into common stock on a one-for-one basis.
F2	On January 3, 2025, the reporting person was granted a target number of performance shares, with the payout from 0 to 300% of target based on the Company's adjusted EPS, adjusted EBITDA and qualitative Strategic Initiatives performance. The Human Resources/Capital and Talent Committee of the Board of Directors determined the payout for each metric on February 26, 2026 resulting in the reported number of performance shares received. The PRSUs vest in approximately three equal installments on January 4, 2027, 2028 and 2029.

Content

Performance restricted stock units and restricted stock units convert into common stock on a one-for-one basis.

On January 3, 2025, the reporting person was granted a target number of performance shares, with the payout from 0 to 300% of target based on the Company's adjusted EPS, adjusted EBITDA and qualitative Strategic Initiatives performance. The Human Resources/Capital and Talent Committee of the Board of Directors determined the payout for each metric on February 26, 2026 resulting in the reported number of performance shares received. The PRSUs vest in approximately three equal installments on January 4, 2027, 2028 and 2029.