DIAMOND OFFSHORE DRILLING IN

CUSIP: 25271C102 Class: COM

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

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

Q3 2018
Shares 7,348 Value ($000) $147 Avg Close — Range —
Q2 2018
Shares 9,728 Value ($000) $203 Avg Close — Range —
Q1 2018
Shares 61,660 Value ($000) $904 Avg Close — Range —
Q3 2017
Shares 18,677 Value ($000) $271 Avg Close — Range —
Q1 2017
Shares 24,380 Value ($000) $407 Avg Close — Range —
Q2 2016
Shares 11,606 Value ($000) $282 Avg Close — Range —
Q4 2015
Shares 113,896 Value ($000) $2,403 Avg Close — Range —