Form 4 Filing for 111, Inc. by Chen Yang Luke

This filing details transactions by Chen Yang Luke, a director at 111, Inc. On September 8, 2023, 126,295 RSUs (Class A) were acquired. Further grants of RSUs (Class A) include 54,759 on May 11, 2026, and 413,168 on May 12, 2026. All these RSUs represent contingent rights to receive Class A ordinary shares. The RSUs granted on May 11, 2026, vest in full on the grant date. The RSUs granted on May 12, 2026, vest in installments over four years, with 25% vesting annually, starting on the first anniversary of May 12, 2026. Vesting may be prorated upon termination of service under certain conditions. All reported RSUs have fully vested as of the filing date.