Vladimir Shmunis plan to sell securities of RingCentral, Inc. under Form 144

Vladimir Shmunis filed Form 144 to notify SEC of plan to sell 27252 units of RingCentral, Inc. securities around 2026-06-15, with aggregate market value of $1,044,296.64. The total outstanding units is 74079066.0. The amount planned to be sold represents 0.04% of total outstanding units;