SUCAMPO PHARMACEUTICALS INC

CUSIP: 864909106 Class: CMN

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

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

Q4 2017
Shares 27,735 Value ($000) $498 Avg Close — Range —
Q4 2016
Shares 3,216 Value ($000) $44 Avg Close — Range —
Q4 2015
Shares 675 Value ($000) $12 Avg Close — Range —
Q2 2015
Shares 1,027 Value ($000) $17 Avg Close — Range —
Q4 2013
Shares 2,137 Value ($000) $20 Avg Close — Range —
Q3 2013
Shares 1,737 Value ($000) $11 Avg Close — Range —