144/A 0001628280-26-021637 0001586648 XXXXXXXX LIVE 0001384905 Ringcentral Inc. 001-36089 20 DavisDr. Belmont CA 94002 650-472-4100 Kira Makagon Officer Common Merrill Lynch

2049 Century Park East., Suite 1200 Los Angeles CA 90067

44840 1602921.85 90141000 03/27/2026 NYSE Common 03/27/2026 Compensation Issuer N 44840 03/27/2026 Compensation N Kira Makagon

20 Davis Dr. Belmont CA 94002

Ring Central Inc. 12/29/2025 6495 189524.1 Kira Makagon

20 Davis Dr. Belmont CA 94002

Ring Central Inc. 02/23/2026 46960 1664732 Kira Makagon

20 Davis Dr. Belmont CA 94002

Ring Central Inc. 03/26/2026 5870 210346.9 Kira Makagon

20 Davis Dr. Belmont CA 94002

Ring Central Inc. 03/27/2026 44840 1602921.85 03/30/2026 03/14/2025 Kira Makagon