YOUDAO INC

Ticker: DAO CUSIP: 98741T104 Class: ADR

GROUP ONE TRADING, L.P.'s Holding History (CIK: 0000932540)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 123 Value ($000) $1 Avg Close — Range —
Q3 2025
Shares 1,947 Value ($000) $19 Avg Close — Range —
Q2 2025
Shares 7,771 Value ($000) $67 Avg Close — Range —
Q1 2025
Shares 7,193 Value ($000) $55 Avg Close — Range —
Q4 2023
Shares 4,119 Value ($000) $16 Avg Close — Range —
Q3 2023
Shares 5,519 Value ($000) $22 Avg Close — Range —
Q2 2023
Shares 14,451 Value ($000) $70 Avg Close — Range —
Q1 2023
Shares 13,001 Value ($000) $111 Avg Close — Range —
Q3 2022
Shares 4,232 Value ($000) $17 Avg Close — Range —
Q1 2021
Shares 2,997 Value ($000) $71 Avg Close — Range —
Q4 2020
Shares 823 Value ($000) $22 Avg Close — Range —