PARKER DRILLING CO

CUSIP: 701081507 Class: COMMON

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

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

Q4 2019
Shares 17 Value ($000) $0 Avg Close — Range —
Q3 2019
Shares 17 Value ($000) $0 Avg Close — Range —
Q2 2019
Shares 17 Value ($000) $0 Avg Close — Range —