Here are the 424B prospectus supplements from Somnigroup International Inc. (SGI) in our archive over the last 12 months, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.
A 424B covers the supplement that carries the terms of a priced offering, so if you follow SGI and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full SGI filings page.
Leggett & Platt (LEG) has agreed to be acquired by Somnigroup (NYSE: SGI) pursuant to an Agreement and Plan of Merger dated April 13, 2026. At the Effective Time each outstanding share of Leggett & Platt common stock will convert into 0.1455 shares of Somnigroup common stock (the Exchange Ratio), with cash in lieu of fractional shares.
Based on share counts as of the record date, Somnigroup anticipates issuing approximately 19,872,203 shares in the transaction; former Leggett & Platt shareholders are expected to own approximately 8.6% of Somnigroup after closing. The Merger is subject to shareholder approval, regulatory clearances and customary closing conditions.