X0306 4 2018-08-29 0 0001477425 SendGrid, Inc. SEND 0001721790 Dholakia Sameer C/O SENDGRID, INC. 1801 CALIFORNIA STREET, SUITE 500 DENVER CO 80202 1 1 0 0 President and CEO Common Stock 2018-08-29 4 F 0 6378 36.28 D 309314 D Represents shares of Common Stock withheld by the Issuer in satisfaction of its tax withholding obligation with respect to the vesting and settlement of 12,863 previously reported restricted stock units ("RSUs") granted to the Reporting Person. Includes 12,864 RSUs previously reported as holdings of the Reporting Person. The RSUs will vest and the 12,864 shares will be delivered to the Reporting Person on September 29, 2018, provided that the Reporting Person's continuous service to the Issuer has not been terminated as defined in or as determined under the Issuer's 2012 Equity Incentive Plan. /s/ Matthew P. Dubofsky, Attorney-in-Fact 2018-08-30