AlphaYouGY
Schedule 13D filing
Gang Yu disclosed a 21.4% stake in 111, Inc. (YI)
Gang Yu reported owning 21.4% of 111, Inc. (YI) (37,797,966 shares) in a Schedule 13D filed Sep 17, 2026.
A 13D means the holder may push for changes at the company.
More YI insider and Congress trades
From a public Schedule 13D, linked above. Not investment advice, and not a recommendation to buy or sell.