NEW YORK, May  26, 2026  (GLOBE NEWSWIRE) -- The law firm of Kirby McInerney LLP continues its investigation on behalf of Armstrong World Industries, Inc. (&#34;Armstrong World&#34; or the &#34;Company&#34;) (NYSE:AWI) investors

AWI INVESTOR ALERT: Kirby McInerney LLP Investigates Potential Claims Involving Armstrong World Industries, Inc.

Armstrong World Under Securities Investigation Could Impact AWI

<section class="insight" data-version="1">
  <section data-block="information">
    <h3>Information</h3>
    <p>NEW YORK, May  26, 2026  (GLOBE NEWSWIRE) -- The law firm of Kirby McInerney LLP continues its investigation on behalf of Armstrong World Industries, Inc. (&amp;#34;Armstrong World&amp;#34; or the &amp;#34;Company&amp;#34;) (NYSE:AWI) investors</p>
  </section>

  <section data-block="ai-summary-paragraph">
    <h3>AI Summary</h3>
    <p>Kirby McInerney LLP disclosed an ongoing securities investigation into Armstrong World Industries (AWI) after the February 24, 2026 earnings release, which cited softer volumes and delayed Architecture Specialties projects. While no lawsuit has been filed, the probe introduces near-term regulatory and litigation risk that could keep AWI shares volatile until facts emerge.</p>
  </section>

  <section data-block="ai-summary-bullets">
    <h3>Key Points</h3>
    <ul><li>Law firm opens securities investigation into Armstrong World (AWI) following 2025 results.</li><li>No lawsuit filed yet; investigation could affect AWI&#039;s legal risk and stock volatility.</li><li>Q4 2025 results showed softer volumes and five delayed Architectural Specialties projects.</li><li>Armstrong World stock fell ~10% on Feb 24, 2026; investigation adds risk.</li></ul>
  </section>

  <section data-block="companies-mentioned">
    <h3>Companies Mentioned</h3>
    <ul><li><strong>Armstrong World Industries, Inc. (AWI)</strong>: Subject of ongoing securities investigation; potential liability and stock volatility.</li><li><strong>Kirby McInerney LLP (N/A)</strong>: Plaintiffs&#039; law firm leading the investigation; could precede securities action.</li></ul>
  </section>

  <section data-block="category">
    <h3>Legal</h3>
    <p>Category: Legal. The piece centers on a plaintiff-law-firm securities investigation into AWI, a fundamental risk factor that could influence litigation costs, regulatory scrutiny, and near-term share volatility absent concrete price-relevant facts.</p>
  </section>

  <section data-block="market-moving">
    <h3>Market-Moving</h3>
    <ul><li>Possible securities class action could raise penalties and settlements.</li><li>Progress of the investigation could increase AWI stock volatility.</li><li>Q4 2025 &#039;air pocket&#039; and project delays continue to weigh margins.</li></ul>
  </section>

  <section data-block="key-facts">
    <h3>Key Facts</h3>
    <ul><li>AWI reported Q4 and full-year 2025 results on Feb 24, 2026; volumes softer.</li><li>Five large Architectural Specialties projects were delayed; some fell out of the year.</li><li>AWI stock declined from $192.83 (Feb 23) to $174.30 (Feb 24), ~10%.</li><li>Kirby McInerney LLP launched securities investigation; no lawsuit filed yet.</li><li>Investigation concerns potential federal securities laws violations.</li></ul>
  </section>

  <section data-block="trading-thesis">
    <h3>Trading Thesis</h3>
    <p>Near-term AWI downside risk until investigation progress; longer-term depends on findings.</p>
  </section>
</section>


<link type="text/css" rel="stylesheet" href="https://www.globenewswire.com/styles/gnw_nitf.css"></link><p align="justify">NEW YORK, May  26, 2026  (GLOBE NEWSWIRE) -- The law firm of <a href="https://www.globenewswire.com/Tracker?data=p5v2JXSP86deUoiLHUHgkk3_aMRtDBal2beMg8hARS6uED8ahv_EXu2CdoZMJmrbwBE_Jfxak30Ph-cuPaWSpCtaOckSmU99yT0m3zJogTU=" rel="nofollow" target="_blank">Kirby McInerney LLP</a> continues its investigation on behalf of Armstrong World Industries, Inc. ("Armstrong World" or the "Company") (NYSE:<a class="ticker" href="https://www.benzinga.com/quote/AWI">AWI</a>) investors concerning the Company's and/or members of its senior management's possible violation of the federal securities laws and other unlawful business practices.</p>  <p align="center">[<a href="https://www.globenewswire.com/Tracker?data=zZSCGYKmXCJamjLDjZp_xFftGuwbuTcJy344MKrP8EXBYkU-7Hb5HVyLa7hPASrVTqAryz2nf6LbkKOTEd5lwZotVgk0ZZ7QYO906x9eX16tQ-8CSL1pL9bZfsFddVJwdmfLIVdtmSQNRA3dCYRIbOKfXd1C0tvqRSB1iPWi5DNvZQQhfnv2lKTQkUBeK7Br" rel="nofollow" target="_blank">LEARN MORE ABOUT THE INVESTIGATION</a>]</p>  <p align="justify"><strong>What Happened?</strong></p>  <p align="justify">On February 24, 2026, Armstrong World reported its fourth quarter and full-year 2025 financial results. During the Company's earnings call, Armstrong disclosed that "volumes in the quarter were softer than we expected" and that it "did not see the normal bounce back after reopening." Armstrong World also discussed project timing issues in its Architectural Specialties segment, stating that "there were five good sized projects" that were delayed and that those projects "not only fell out of the quarter, they fell out of the year." The Company further stated that it "really did not have the operating leverage in the fourth quarter based on these project push outs" and described the impact as creating an "air pocket" in its results. On this news, the price of Armstrong World shares declined by $18.53 per share, or approximately 10%, from $192.83 per share on February 23, 2026 to close at $174.30 on February 24, 2026.</p>  <p align="justify"><strong>What Should I Do?</strong></p>  <p align="justify">At this stage, no lawsuit has been filed. The investigation is ongoing to determine whether claims may be brought under federal securities laws.</p>  <p align="justify">If you purchased or otherwise acquired Armstrong World securities, have information, or would like to learn more about this investigation, please contact <a href="https://www.globenewswire.com/Tracker?data=UafgVFRYzsrspMCFi-7j8BBmfA7Bz4LXfpWvBd_CbmqfPqoxQKAX2SIhgmSnZvHvY7oMB8N1N_-On7L3fTmV9QfK06CEMlLUyJ6GllVNCQ5wAGg0Nyc8haSz9UBPHpnz" rel="nofollow" target="_blank">Lauren Molinaro</a> of <a href="https://www.globenewswire.com/Tracker?data=p5v2JXSP86deUoiLHUHgknOzquoCpfU-7oplEilVhFR9Enfcyz4MSPmv39XrzHPF52uAT-_Pw640ACnJ7i3jRqJyBYYwmOPGo6GqbqXSj2U=" rel="nofollow" target="_blank">Kirby McInerney LLP</a> by email at <a href="https://www.globenewswire.com/Tracker?data=ByOcOs5iH69JjpTVfPY2MeWBoFZNXJOhrKlRn3SpmPF281Llcffj0EMH4QPGitOQEutHikHxNGBWt3-L6na4lmwOIuksnUdlHCn_Ua90wFIYXKG89YIt41PGiaJXFq9I" rel="nofollow" target="_blank">investigations@kmllp.com</a>, or fill out the contact form below, to discuss your rights or interests with respect to these matters at no cost.</p>  <p align="center"><a href="https://www.globenewswire.com/Tracker?data=USCSMgsYb0onW58PedyCPWr4zzxK4lM9rkc2WwYEzRvMvhHCERHCpZLn0yz7-NHorX-MS2MaZpCOydKLuVQEb4TazborBGPAWP766_wz0pJa4g4tmv_4Aq1JIVUtSKW5xp_aOkY6RdQaIgDl0pr-6g==" rel="nofollow" target="_blank">[LEARN MORE ABOUT SECURITIES CLASS ACTIONS]</a></p>  <p align="justify"><a href="https://www.globenewswire.com/Tracker?data=p5v2JXSP86deUoiLHUHgkiD_5hsLMglZIsxh6S6O-D_paiGasbH12yGpH-ssJK2uj03qxaiPSEhKWpcJ_6R25USfVQMGCPnLjTGvOrZzEkY=" rel="nofollow" target="_blank">Kirby McInerney LLP</a> is a New York-based plaintiffs' law firm concentrating in securities, antitrust, whistleblower, and consumer litigation. The firm's efforts on behalf of shareholders in securities litigation have resulted in recoveries totaling billions of dollars. Additional information about the firm can be found at Kirby McInerney LLP's <a href="https://www.globenewswire.com/Tracker?data=ZYS7F6YWe-76-9pLlJ8qBdvdWlx-OPbhnoZBZY5retfyRL6QvXILHGzaxfZEDMBRHM8hXgSOVUHtMPhZllLkrA==" rel="nofollow" target="_blank">website</a>.</p>  <p align="justify">This press release may be considered Attorney Advertising in some jurisdictions under the applicable law and ethical rules.</p>  <p align="justify">Contacts<br></br>Kirby McInerney LLP        <br></br>Lauren Molinaro, Esq.<br></br>212-699-1171<br></br><a href="https://www.globenewswire.com/Tracker?data=4HPh8Hxi1QsuBeOkOGmn3MfciYA9NkC9vpBqoMLoeB8zaBkZ3M4rQhtmSREK8GoR36U2JvFuZLFrwQ0BzetnhEFJy1-_tRwh-BvsXre8uko=" rel="nofollow" target="_blank">https://www.kmllp.com</a><br></br><a href="https://www.globenewswire.com/Tracker?data=4HPh8Hxi1QsuBeOkOGmn3Dq9f8DLCKyi_WEBfISeG96Iz57EOufQRXFuFYssfXaMylzprzjsOfNSLiKfAEh0ctE8QNa3a0Jh45aVVWJAuR_cLctMN4onlCadXJ6M49eirWQM4AqK2udRLw6AI5MuJA==" rel="nofollow" target="_blank">https://securitiesleadplaintiff.com/</a><br></br><a href="https://www.globenewswire.com/Tracker?data=ByOcOs5iH69JjpTVfPY2MeWBoFZNXJOhrKlRn3SpmPFsiqNcY8Sdguj1mY06GNZppTtHf2l4VOEi_osGsFHRuVNSjg9Am5JfUQgfEdBjruxu5W9GKL6KMBMdKzDa8mBM" rel="nofollow" target="_blank">investigations@kmllp.com</a></p> <img alt="" class="__GNW8366DE3E__IMG" src="https://www.globenewswire.com/newsroom/ti?nf=OTcyNjkxNyM3NjIyMzE3IzIwMjA2Njk="></img> <br></br><img alt="" src="https://ml.globenewswire.com/media/YzNjNDUwYjItYzc0OC00ZTg3LWFjZDEtM2Y1OTQyOTM1Zjc1LTEwMzE5OTctMjAyNi0wNS0yNy1lbg==/tiny/Kirby-McInerney-LLP.png" referrerpolicy="no-referrer-when-downgrade"></img><p><a href="https://www.globenewswire.com/NewsRoom/AttachmentNg/192da1d1-643f-4eee-b850-dde5b9f2b00f"><img src="https://ml.globenewswire.com/media/192da1d1-643f-4eee-b850-dde5b9f2b00f/small/linkedin-logo-300x300-png.png" border="0" width="147" height="147" alt="Primary Logo"></img></a></p>

Kirby McInerney LLP disclosed an ongoing securities investigation into Armstrong World Industries (AWI) after the February 24, 2026 earnings release, which cited softer volumes and delayed Architecture Specialties projects. While no lawsuit has been filed, the probe introduces near-term regulatory and litigation risk that could keep AWI shares volatile until facts emerge.

AWI INVESTOR ALERT: Kirby McInerney LLP Investigates Potential Claims Involving Armstrong World Industries, Inc.

AI Summary

Sentiment Rationale

Trading Thesis

Market-Moving

Key Facts

Companies Mentioned

Legal

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