X0609 4 2026-08-28 0001652044 Alphabet Inc. GOOGL 0001665419 ARNOLD FRANCES false C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 true false false false true Class C Capital Stock 2026-08-28 4 S false 82 337.71 D 18995 D Class C Google Stock Units 597 D Class C Google Stock Units 903 D Class C Google Stock Units 1432 D Class C Google Stock Units 940 D The Google Stock Units (GSUs) entitle the Reporting Person to receive one share of Alphabet Inc. Class C Capital Stock for each share underlying the GSU as GSU vests. 1/48th of GSUs vested on July 25, 2023 and an additional 1/48th of GSUs will vest monthly thereafter until the GSUs are fully vested, subject to continued service on such vesting dates. 1/48 of GSUs vests on the 25th day of each month following the grant date for 31 months and on the 1st day of each month for the following 17 months, subject to continued service on such vesting dates. 1/48 of GSUs will vest on the 25th day of each month following the grant date for 19 months and on the 1st day of each month for the following 29 months, subject to continued service on the Board on the applicable vesting dates. 1/48 of GSUs shall vest on the 25th of the month of the Grant Date, vesting 1/48 every 1 month(s) for 7 event(s); 1/48 of GSUs shall vest on the 1st of the month 7 month(s) after the Grant Date, vesting 1/48 every 1 month(s) for 41 event(s), subject to continued employment on such vesting date(s). Transaction reported in this Form 4 was effected purusant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person on August 21, 2025. /s/ Fadillah Badar, as Attorney-in-Fact for Frances H. Arnold 2026-08-31