InsiderTrades

Shum Heung Yeung

SEC CIK 1591807 · EDGAR

Buying vs selling by month open-market trades, last 24 months, DAO
BoughtSold

Companies

TickerCompanyTitleHoldingBoughtSoldTradesFirstLast
DAOYoudao, Inc.Dir 64.8K — — 32026-05-292026-08-31

Most active insiders at DAO, 12 months

#InsiderTitleBoughtSold
1 Wu YinghuiSVP ——
2 Peng SuSVP ——
3 Jin LeiPres ——
4 Li YongweiVP ——
5 Lai Jimmy Y.Dir ——
6 Shum Heung YeungDir ——

Transactions 3

Type
Reset
X Filed Traded Ticker Company Insider Title Type Price Qty Owned ΔOwn Value
DM 2026-09-02 06:32 2026-08-31+ DAO Youdao, Inc. Shum Heung Yeung Dir M - OptEx — +21.2K 64.8K +49% —
DM 2026-09-02 06:32 2026-08-31+ DAO Youdao, Inc. Shum Heung Yeung Dir S - Sale+OE — -21.2K 60.8K -26% —
2026-06-01 06:20 2026-05-29 DAO Youdao, Inc. Shum Heung Yeung Dir A - Grant — +11.4K 26.0K +79% —

Purchase Sale Sale after option exercise All abbreviations