NYSE:NBY 11 January 2026 - 12 January 2026

NovaBay Pharmaceuticals shares fell 10% to $17.21 in premarket trading Monday, following a 102.5% surge Friday on unusually heavy volume. Traders are watching for updates on warrants and share supply after the company disclosed possible new share issuances and a reverse split. NovaBay has not commented on the recent volatility. Fourth-quarter results are expected March 25.

NovaBay Pharmaceuticals shares jumped 102.5% to $19.16 Friday, with volume spiking to 10 million. The surge follows disclosures of pre-funded warrants and convertible preferred stock that could sharply increase the share count. David E. Lazar recently became CEO after leading a strategic investment. Traders await new filings and the U.S. CPI report on Jan. 13.