Form 4 Filing for 111, Inc.

This filing details transactions made by Chen Yang Luke, a director at 111, Inc. (YI). The transactions primarily involve Restricted Stock Units (RSUs) for Class A shares. On September 8, 2023, 126,295 RSUs were acquired. Further grants of RSUs were received on May 11, 2026 (54,759 units) and May 12, 2026 (413,168 units). Some RSUs were sold to cover tax obligations: 1,440 units on May 26, 2026, and 3,400 units on May 27, 2026. All reported RSUs have vested as of the filing date, with post-transaction share ownership reflecting these changes.