RBBN

Ribbon Communications' stock price experienced a significant decline of 53.91% between October 6, 2025, and October 2, 2026, and was down -9.5% in the 30 days leading up to September 26, 2026. Key events included Q1 2026 financial results reported on April 28, 2026, which showed GAAP revenue falling to $162.6 million (a 10.3% year-over-year decrease, marginally missing analyst estimates) and a non-GAAP diluted loss per share of -$0.05 (exceeding analyst expectations), alongside widened GAAP operating and net losses. Q2 2026 financial results, reported on July 28, 2026, showed earnings per share of -2 cents, missing estimates. In September 2026, analysts reduced their price target on Ribbon Communications to $2.20 from $3.50, citing weaker visibility on sustainable catalysts in its Telco-focused Optical and IP segments and delays in expected voice modernization projects, which contributed to a 17% share price decline that month. Additionally, a new major risk related to revenue and earnings growth was identified on August 2, 2026.