X0306 4 2018-03-01 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 2018-03-01 4 M 0 10000 9.01 A 161679 D Common Stock 2018-03-01 4 S 0 10000 26.743 D 151679 D Stock Option (Right to Buy) 9.01 2018-03-01 4 M 0 10000 0 D 2024-09-01 Common Stock 10000 40000 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan. Represents the aggregate of sales effected on the same day at different prices. Represents the weighted average sales price per share. The shares sold at prices ranging from $26.48 to $27.41 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 grant vests as to 1/4th of the total number of shares on September 2, 2015, and thereafter shall vest as to 1/48th of the total number of shares in equal monthly installments. /s/ Justin Spencer by Douglas Carlen, Attorney-in-Fact 2018-03-05