X0508 4 2025-12-15 0001652044 Alphabet Inc. GOOGL 0001738007 O'Toole Amie Thuener C/O ALPHABET INC. 1600 AMPHITHEATRE PKWY MOUNTAIN VIEW CA 94043 false true false false VP, Chief Accounting Officer true Class C Capital Stock 2025-12-15 4 S false 2778 312.3 D 8962 D Class C Google Stock Units 2025-12-15 4 A false 8 0 A 12235 D Class C Google Stock Units 2025-12-15 4 A false 10 0 A 15170 D Class A Common Stock 8940 D Class C GSUs entitle the Reporting Person to receive one share of Alphabet Inc. Class C capital stock for each share underlying the GSUs as GSUs vest. 1/18th of the grant will vest on the 25th day of the month starting on March 25, 2025; 1/36th of the grant will vest on the 25th day of each month starting on March 25, 2026; and 1/36th of the grant will vest on March 1, 2027, subject to continued employment on each vesting date. Represents the dividend equivalent units (DEUs) that accrued on the Reporting Person's GSUs held as of December 8, 2025, in connection with the cash dividend that was declared by the Issuer and distributed on December 15, 2025. These DEUs will vest on the same schedule as the GSUs on which the DEUs accrued. Each DEU entitles the Reporting Person to receive one share of Alphabet Inc. Class C capital stock for each share underlying the DEU as each DEU vests. Consists of 89 DEUs and 12,147 GSUs. 1/36th of the grant will vest on the 25th day of the month starting on March 25, 2025; and 1/36th of the grant will vest on 1st of the month starting on April 1, 2027, subject to continued employment on each vesting date. Consists of 59 DEUs and 15,111 GSUs. Transaction reported in this Form 4 was effected pursuant to a Rule 10b5-1 Trading Plan adopted by the Reporting Person on May 23, 2025. /s/ Fadillah Badar as Attorney-in-Fact for Amie Thuener O'Toole 2025-12-17