Form 4 Filing by Koh John

Koh John, a director at Aurora Mobile Ltd, reported a transaction on August 1, 2026. The filing details the acquisition of 6,534 American depositary shares (ADSs) under transaction code "M". Following this transaction, Koh John holds 48,320 ADSs. Additionally, 87,118 restricted share units (RSUs) were disposed of, which were granted on August 1, 2025, and fully vested on August 1, 2026. These RSUs convert into ADSs at a ratio of 3 ADSs for every 40 RSUs. The price per share for the ADS acquisition was not specified, but the RSUs had a transaction price of 0.0.