X0306 4 2021-03-01 0 0001652044 Alphabet Inc. GOOG 0001286672 RAGHAVAN PRABHAKAR C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 0 1 0 0 Senior Vice President Class C Capital Stock 2021-02-24 5 G 0 E 1276 0.00 A 5105 I By Prabhakar Raghavan, Srilatha Raghavan, UA 01-12-2000 Raghavan Living Trust Class C Capital Stock 2021-02-24 5 G 0 E 1276 0.00 D 1200 D Class C Capital Stock 2021-03-01 4 S 0 1199 2056.52 D 1 D Class C Google Stock Units 30387 D Class C Google Stock Units 9517 D The Class C Google Stock Units (GSU) entitle the Reporting Person to receive one share of Alphabet Inc. Class C Capital Stock for each share underlying the GSU as GSU vest. 1/8th of GSU grant vested on June 25, 2020 and an additional 1/16th of the grant will vest quarterly on the 25th day of the month thereafter until the GSU are fully vested, subject to continued employment on the applicable vesting dates. 1/8th of GSU grant vested on March 25, 2020 (the 25th day of the month 15 months after the vesting start date), and an additional 1/8th of the grant will vest quarterly on the 25th day of the month thereafter until the GSU are fully vested, subject to the continued employment on the applicable vesting dates. Sale transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person. /s/ Valentina Margulis, as Attorney-in-Fact for Prabhakar Raghavan 2021-03-01