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Mattress Firm Expands Kingsdown® Wesley Collection Nationwide Following Strong Customer Response and Category-Leading Performance

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Mattress Firm (NASDAQ:SGI) announced a nationwide expansion of the Kingsdown Wesley Collection, increasing its availability to nearly 800 stores after a strong initial launch. Developed with Kingsdown, the luxury innerspring line emphasizes elevated comfort, premium craftsmanship and lasting support using luxury Italian yarns, advanced comfort materials and responsibly sourced components.

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Market Reaction – SGI

+4.64% $69.73
15m delay
+4.64% Vs previous close
$69.73 Last Price
$66.31 $70.21 Day Range
$14.67B Market Cap
0.9x Rel. Volume

Following this news, SGI has gained 4.64%, reflecting a moderate positive market reaction. Our momentum scanner has triggered 18 alerts so far, indicating notable trading interest and price volatility. The stock is currently trading at $69.73.

Data tracked by StockTitan Argus (15 min delayed). Upgrade to Gold for real-time data.

Market Context

SGI recorded a -3.54% reaction after its July 4th Sale headline, while its earnings-date notice drew...
Analysis

SGI recorded a -3.54% reaction after its July 4th Sale headline, while its earnings-date notice drew +1.4%. That mixed record frames the collection expansion; recent insider activity was net selling. Subsequent company disclosures remain relevant.

Key Figures

Store Distribution: nearly 800 stores Partnership Duration: 18-year relationship
2 metrics
Store Distribution nearly 800 stores Nationwide Wesley Collection expansion
Partnership Duration 18-year relationship Mattress Firm and Kingsdown

Historical Context

5 past events · Latest: Jul 27 (Positive)
Pattern 5 events
Date Event Sentiment 24h Move Catalyst
Jul 27 Credit refinancing Positive -1.1% Refinanced credit facilities and added liquidity while lowering expected interest expense.
Jul 15 Earnings scheduling Neutral +1.4% Scheduled second-quarter results release and conference call for August 6.
Jun 30 Sleep research report Neutral +0.3% Released sleep-duration research using survey and Sleeptracker-AI data.
Jun 30 Sleep research report Neutral +0.3% Published sleep findings combining national survey and smart-bed sleep data.
Jun 10 Promotional sale Positive -3.5% Launched July 4th promotional sale featuring discounts and financing options.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Pattern Detected

SGI's recent news reactions were mixed, with positive or operational headlines followed by both gains and declines.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Luxury innerspring collection now available in nearly 800 stores nationwide

HOUSTON, Aug. 4, 2026 /PRNewswire/ -- Mattress Firm, America's largest mattress retailer, today announced the expansion of the Kingsdown® Wesley Collection in select markets, growing distribution to nearly 800 stores following a successful initial launch. Developed in close partnership with Kingsdown, the Wesley Collection delivers elevated comfort, premium craftsmanship and lasting support for shoppers seeking a luxury traditional innerspring mattress.

Mattress Firm Logo

"The Kingsdown Wesley Collection has quickly earned the trust of both our customers and Sleep Experts by delivering the luxury, comfort and support shoppers expect from a premium innerspring mattress," said Steve Rusing, President and CEO of Mattress Firm. "Its performance has been strong, making the decision to expand a natural next step. Together with Kingsdown, we're bringing more customers access to a product that truly elevates the sleep experience."

The collection is a part of Mattress Firm's portfolio of the best luxury mattresses and best mattresses for lasting support, with thoughtfully selected materials. Each mattress features luxury Italian yarns, advanced comfort materials and responsibly sourced components, including high-quality latex, to deliver a supportive and elevated sleep experience.

"Our longstanding 18-year relationship with Mattress Firm is built on a shared commitment to helping people sleep better," said Frank Hood, President and CEO of Kingsdown. "We're excited to bring the exceptional comfort, craftsmanship and performance of the Wesley Collection to more customers across the country, making this luxury sleep experience accessible to even more households."

To find the right Wesley Collection fit for them, shoppers can turn to Mattress Firm's Sleep Experts in-store or get personalized recommendations with the MattressMatcher® tool at MattressFirm.com

About Mattress Firm
Mattress Firm, the nation's largest mattress retailer, helps solve America's sleep problems through our family of brands. Every one of our more than 6,000 passionate Sleep Experts® are driven by a common purpose: to improve people's lives by making better sleep easy™. Whether browsing online or in one of our 2,100+ stores, our highly trained team provides personalized service and advice to help customers choose the right mattress and bedding products based on their unique needs. Our expertly curated selection of products includes leading brands such as Tempur-Pedic®, Sealy Posturepedic®, Stearns & Foster®, Purple®, Nectar®, Dreamcloud PressureSmart™, Kingsdown®, Beautyrest®, Serta®, Sleepy's® and tulo®. Mattress Firm supports local and national charities through donations and offers employees volunteering opportunities to serve their communities. As part of this commitment, Mattress Firm has partnered with the National Women's Shelter Network, an organization dedicated to ending homelessness and providing life-changing resources to people in need. Everyone deserves a safe place to sleep at night, and with this partnership we aim to create brighter mornings and a brighter future. Mattress Firm is a wholly owned business of Somnigroup International Inc. (NYSE: SGI). For more information about Mattress Firm, visit http://mattressfirm.com.

About Kingsdown®
Kingsdown, Inc., founded in 1904 and headquartered in Mebane, North Carolina, is a manufacturer of premium mattress systems that serves leading retailers across the United States, Canada, and in more than 20 countries. Each Kingsdown product is manufactured using handcrafted techniques, combined with state-of-the-art research, materials, and equipment.

Research and product development, manufacturing and distribution facilities are headquartered in Mebane, North Carolina and Ontario, Canada, with additional international offices located in England, Hong Kong, Japan, and Mexico. Canadian manufacturing and distribution are based in Woodbridge, Ontario; Calgary, Alberta; and Shawinigan, Quebec. Additional manufacturing facilities are located in California, Florida, Texas, Virginia, Australia, Brazil, China, Malaysia, Mexico, Taiwan, and Vietnam. For more information, please visit www.kingsdown.com.

Cision View original content to download multimedia:https://www.prnewswire.com/news-releases/mattress-firm-expands-kingsdown-wesley-collection-nationwide-following-strong-customer-response-and-category-leading-performance-302841953.html

SOURCE Mattress Firm

FAQ

What did Mattress Firm (SGI) announce about the Kingsdown Wesley Collection on August 4, 2026?

Mattress Firm announced the nationwide expansion of the Kingsdown Wesley Collection to nearly 800 stores. According to Mattress Firm, this follows a successful initial launch and strong performance, prompting broader distribution across select markets in the United States.

How many Mattress Firm stores will carry the Kingsdown Wesley Collection after the 2026 expansion?

The Kingsdown Wesley Collection will be available in nearly 800 Mattress Firm stores nationwide. According to Mattress Firm, this expanded distribution aims to give more customers access to the luxury innerspring line across additional markets following strong customer response.

What is the Kingsdown Wesley Collection offered by Mattress Firm (SGI)?

The Kingsdown Wesley Collection is a luxury traditional innerspring mattress line developed with Kingsdown. According to Mattress Firm, it emphasizes elevated comfort, premium craftsmanship and lasting support using luxury Italian yarns, advanced comfort materials and responsibly sourced components, including high-quality latex.

Why did Mattress Firm expand the Kingsdown Wesley Collection nationwide?

Mattress Firm expanded the Wesley Collection because its initial performance was strong in select markets. According to Mattress Firm, the line quickly earned trust from customers and Sleep Experts, making wider distribution a natural next step to reach more shoppers seeking luxury innerspring mattresses.

How can customers find the right Kingsdown Wesley mattress at Mattress Firm?

Customers can work with Sleep Experts in-store or use the MattressMatcher tool online. According to Mattress Firm, these options provide personalized recommendations to help shoppers select the most suitable Wesley Collection model for their comfort preferences and support needs.

What materials are used in the Kingsdown Wesley Collection sold by Mattress Firm (SGI)?

The Wesley Collection uses luxury Italian yarns, advanced comfort materials and responsibly sourced components. According to Mattress Firm, the mattresses also incorporate high-quality latex to deliver a supportive, elevated sleep experience within its portfolio of luxury and lasting-support mattress offerings.