CORMEDIX INC

CUSIP: 21900C100 Class: COM

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

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

Q4 2018
Shares 78,135 Value ($000) $101 Avg Close — Range —
Q3 2018
Shares 746 Value ($000) $1 Avg Close — Range —
Q2 2018
Shares 44,648 Value ($000) $11 Avg Close — Range —
Q1 2018
Shares 72,448 Value ($000) $13 Avg Close — Range —
Q4 2017
Shares 88,548 Value ($000) $44 Avg Close — Range —
Q3 2017
Shares 82,748 Value ($000) $43 Avg Close — Range —
Q2 2017
Shares 130,148 Value ($000) $56 Avg Close — Range —
Q1 2017
Shares 149,348 Value ($000) $243 Avg Close — Range —
Q4 2016
Shares 275,549 Value ($000) $422 Avg Close — Range —
Q3 2016
Shares 293,949 Value ($000) $741 Avg Close — Range —
Q2 2016
Shares 303,325 Value ($000) $604 Avg Close — Range —
Q1 2016
Shares 318,216 Value ($000) $843 Avg Close — Range —
Q4 2015
Shares 196,134 Value ($000) $398 Avg Close — Range —
Q3 2015
Shares 172,898 Value ($000) $344 Avg Close — Range —
Q2 2015
Shares 335,919 Value ($000) $1,303 Avg Close — Range —
Q1 2015
Shares 96,691 Value ($000) $951 Avg Close — Range —