IMPRIMIS PHARMACEUTICALS INC

CUSIP: 45323A201 Class: COMMON

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

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

Q3 2018
Shares 4,300 Value ($000) $12 Avg Close — Range —
Q2 2018
Shares 4,300 Value ($000) $9 Avg Close — Range —
Q1 2018
Shares 500 Value ($000) $1 Avg Close — Range —
Q4 2017
Shares 500 Value ($000) $1 Avg Close — Range —