FAIRMOUNT SANTROL HLDGS INC

CUSIP: 30555Q108 Class: COM

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

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

Q4 2017
Shares 102,925 Value ($000) $538 Avg Close — Range —
Q3 2017
Shares 73,241 Value ($000) $350 Avg Close — Range —
Q2 2017
Shares 663,279 Value ($000) $2,587 Avg Close — Range —
Q1 2017
Shares 103,066 Value ($000) $755 Avg Close — Range —
Q4 2016
Shares 30,158 Value ($000) $356 Avg Close — Range —
Q3 2016
Shares 24,913 Value ($000) $211 Avg Close — Range —
Q2 2016
Shares 83,624 Value ($000) $645 Avg Close — Range —
Q4 2015
Shares 29,905 Value ($000) $70 Avg Close — Range —
Q3 2015
Shares 64,137 Value ($000) $173 Avg Close — Range —