Calix, Inc. Securities Fraud Class Action Result of Undisclosed Component Cost Increase and 14% Stock Decline - Investors may Contact Lewis Kahn, Esq, at Kahn Swick & Foti, LLC

NEW YORK CITY & NEW ORLEANS--(BUSINESS WIRE)--Kahn Swick & Foti, LLC (“KSF”) and KSF partner, former Attorney General of Louisiana, Charles C. Foti, Jr., remind investors with substantial losses that they have until July 28, 2026 to file lead plaintiff applications in a securities class action lawsuit against Calix, Inc. (NYSE: CALX) (“Calix” or the “Company”), if they purchased or otherwise acquired the Company’s securities between January 28, 2026 and April 21, 2026, inclusive (the “Class Period”). This action is pending in the United States District Court for the Northern District of California.

What You May Do

If you purchased securities of Calix and would like to discuss your legal rights and how this case might affect you and your right to recover for your economic loss, you may, without obligation or cost to you, contact KSF Managing Partner Lewis Kahn toll-free at 1-877-515-1850 or via email (lewis.kahn@ksfcounsel.com), or visit https://www.ksfcounsel.com/cases/nyse-calx/ to learn more. If you wish to serve as a lead plaintiff in this class action, you must petition the Court by July 28, 2026.

About the Lawsuit

Calix. and certain of its executives are charged with failing to disclose material information during the Class Period, violating federal securities laws.

On April 21, 2026, post-market, Calix reported its 1Q 2026 financial results, disclosing that non-GAAP gross margin declined 80 basis points sequentially to 57.2%. The Company further guided second quarter 2026 non-GAAP gross margin to approximately 55.8% at the midpoint, representing an additional sequential decline of 140 basis points, which management attributed primarily to increased memory component costs. In the accompanying earnings call, the Company’s Chief Financial Officer revealed that advanced purchasing had allowed the Company to avoid higher memory component costs during the first quarter, but that the advanced supply had run its course and the Company now faced market prices, and thus expected non-GAAP gross margin to decline between 50 and 150 basis points.

On this news, the price of Calix’s shares fell $6.93 per share, or approximately 14%, to close at $42.65 per share on April 22, 2026.

The case is Noor v. Calix, Inc., et al., No. 26-cv-04993.

About Kahn Swick & Foti, LLC

KSF, whose partners include former Louisiana Attorney General Charles C. Foti, Jr., is one of the nation's premier boutique securities litigation law firms. This past year, KSF was ranked by SCAS among the top 10 firms nationally based upon total settlement value. KSF serves a variety of clients, including public and private institutional investors, and retail investors - in seeking recoveries for investment losses emanating from corporate fraud or malfeasance by publicly traded companies. KSF has offices in New York, Delaware, California, Louisiana, Chicago, and a representative office in Luxembourg.

TOP 10 Plaintiff Law Firms - According to ISS Securities Class Action Services

To learn more about KSF, you may visit www.ksfcounsel.com.

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