Smith Micro Software is trading at $2.22, down 5.53% after the November 4, 2026 regular-session close; no confirmed company announcement explains the after-hours decline. - Its press-release page lists August 13 Q2 results as its latest release; Nasdaq showed no available November 4 earnings announcement. - Q3 reporting estimates differ: some listings showed November 4, while another calendar listed November 11. - The broader market was sharply higher; no volume data or specific after-hours catalyst was confirmed.