144 0001189229 XXXXXXXX LIVE 0001280263 AMBARELLA INC 001-35667 3001 TASMAN DRIVE SANTA CLARA CA 95054 408-734-8888 PAISLEY CHRISTOPHER B Director Common Fidelity Brokerage Services LLC

900 Salem Street Smithfield RI 02917

500 36090.00 43050486 12/26/2025 NASDAQ Common 12/15/2023 Restricted Stock Vesting Issuer N 500 12/15/2023 Compensation Y This sale took place in the Paisley Living Trust of which Christopher B. Paisley is a trustee 12/29/2025 09/22/2025 /s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Christopher B. Paisley