INVESTOR ALERT: Pomerantz Law Firm Reminds Investors with Losses on their Investment in Calix, Inc. of Class Action Lawsuit and Upcoming Deadlines – CALX

Pomerantz LLP announces that a class action lawsuit has been filed against Calix, Inc. (“Calix” or the “Company”) (NYSE: CALX). Such investors are advised to contact Danielle Peyton at [email protected] or 646-581-9980, (or 888.4-POMLAW), toll-free, Ext. 7980. Those who inquire by e-mail are encouraged to include their mailing address, telephone number, and the number of shares purchased.

The class action concerns whether Calix and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices. You have until July 27, 2026, to ask the Court to appoint you as Lead Plaintiff for the class if you purchased or otherwise acquired Calix securities during the Class Period. A copy of the Complaint can be obtained at www.pomerantzlaw.com.

On April 21, 2026, after the market closed, Calix reported results for the first quarter of 2026 earnings, including that “[n]on-GAAP gross margin was 57.2%, a decrease of 80 basis points sequentially.” Further, the Company reported gross margin guidance for the second quarter of 2026 is “55.8% (at the midpoint) is down 140 basis points from the previous quarter. This decline is primarily due the increase in memory component costs.”

In an accompanying earnings call on the same day, Calix’s Chief Financial Officer, Cory Sindelar, said that “advanced purchasing had allowed us to avoid higher memory component costs during the first quarter. However, that advanced supply has run its course, and we now face market prices.” Sindelar further revealed that, “reflecting the effects of higher memory...