X0306 4 2021-01-20 0 0001129260 VOCERA COMMUNICATIONS, INC. VCRA 0001570881 DUFFY MARY BRIDGET C/O VOCERA COMMUNICATIONS, INC. 525 RACE STREET SAN JOSE CA 95126 0 1 0 0 Chief Medical Officer Common Stock 2021-01-20 4 M 0 7500 24.15 A 71974 D Common Stock 2021-01-20 4 S 0 3800 44.337 D 68174 D Common Stock 2021-01-20 4 S 0 3700 45.0268 D 64474 D Employee Stock Option (Right to Buy) 24.15 2021-01-20 4 M 0 7500 0.00 D 2022-05-30 Common Stock 7500 0 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. Represents the weighted average sales price per share. The shares sold at prices ranging from $43.85 to $44.78 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. Represents the weighted average sales price per share. The shares sold at prices ranging from $45.01 to $45.12 per share. Full information regarding the number of shares sold at each price shall be provided upon request to the staff of the U.S. Securities and Exchange Commission, the Issuer, or a security holder of the Issuer. The stock option is fully vested and immediately exercisable. /s/ Douglas Carlen on behalf of M. Bridget Duffy 2021-01-22