Calix investors face July 27, 2026 deadline to seek lead plaintiff role

Calix (NYSE: CALX) reported first-quarter 2026 results on April 21, 2026, posting a non-GAAP gross margin of 57.2%, down 80 basis points sequentially. The company also cut its second-quarter gross margin guidance to 54.25%–57.25% and said it expects its full-year non-GAAP gross margin to decline 50–150 basis points. Calix said first-quarter profit benefited from advance purchases of memory, but that supply has been exhausted and it must now buy at higher market prices, increasing cost pressure. After the update, the stock fell 14% ($6.93) to $42.65.