RYB ED INC

CUSIP: 74979W101 Class: ADR

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

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

Q4 2021
Shares 58 Value ($000) $0 Avg Close — Range —
Q3 2021
Shares 358 Value ($000) $1 Avg Close — Range —
Q2 2021
Shares 363 Value ($000) $2 Avg Close — Range —
Q1 2019
Shares 3,435 Value ($000) $23 Avg Close — Range —
Q4 2018
Shares 100 Value ($000) $1 Avg Close — Range —
Q3 2018
Shares 100 Value ($000) $2 Avg Close — Range —
Q2 2018
Shares 2,840 Value ($000) $56 Avg Close — Range —