Form 4 Filing for Aurora Mobile Ltd

This filing details transactions by Lee Hon Sang, a director at Aurora Mobile Ltd. On August 1, 2026, Lee Hon Sang acquired 4,906 American depositary shares (ADSs) and disposed of 65,407 Restricted Share Units (RSUs). The RSUs converted into ADSs at a ratio of 3 ADSs for every 40 RSUs. Following these transactions, Lee Hon Sang holds 11,470 ADSs. The transactions were made under a share incentive plan, with the RSUs granted on August 1, 2025, and fully vested on August 1, 2026. Each ADS represents 40 Class A common shares.