X0508 4 2025-11-03 0001766502 Chewy, Inc. CHWY 0001879000 Billings William G. 7700 WEST SUNRISE BOULEVARD PLANTATION FL 33322 1 Chief Accounting Officer 1 Class A Common Stock 2025-11-03 4 S 0 1121 32.7181 D 31045 D Class A Common Stock 43750 D Class A Common Stock 29728 D Class A Common Stock 25377 D Represents "sell to cover" sales effected pursuant to a Rule 10b5-1 trading plan adopted by the filing person on September 11, 2024 to cover tax withholding obligations in connection with the vesting of restricted stock units ("RSUs"). Represents RSUs granted to the filing person on September 20, 2024. Each RSU represents a contingent right to receive one share of Class A common stock of Chewy, Inc. The RSUs are subject to time-vesting conditions. 58.5% will vest on August 1, 2026, and 41.5% will vest on August 1, 2027, subject to the filing person's continued employment with Chewy, Inc. through the applicable vesting date. Represents RSUs granted to the filing person on September 20, 2024. Each RSU represents a contingent right to receive one share of Class A common stock of Chewy, Inc. The RSUs are subject to time-vesting conditions. 9.09% will vest on February 1, 2026, and each three-month anniversary thereafter, subject to the filing person's continued employment with Chewy, Inc. through the applicable vesting date. Represents RSUs granted to the filing person on April 8, 2025. Each RSU represents a contingent right to receive one share of Class A common stock of Chewy, Inc. The RSUs are subject to time-vesting conditions. 25% of these RSUs will vest on March 1, 2026, and 6.25% will vest on each three-month anniversary thereafter, subject to the filing person's continued employment with Chewy, Inc. through the applicable vesting date. /s/ Da-Wai Hu, as Attorney-in-fact- for William G. Billings 2025-11-05