X0306 4 2021-03-12 0 0001129260 VOCERA COMMUNICATIONS, INC. VCRA 0001397180 Spencer Justin C/O VOCERA COMMUNICATIONS, INC. 525 RACE STREET SAN JOSE CA 95126 0 1 0 0 EVP, Chief Financial Officer Common Stock 2021-03-12 4 S 0 5310 40.5892 D 162339 D Common Stock 2021-03-12 4 S 0 375 41.536 D 161964 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 $40.26 to $41.20 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 $41.32 to $41.68 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. /s/ Douglas Carlen on behalf of Justin Spencer 2021-03-15