MEDICINES CO

CUSIP: 584688105 Class: COM

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

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

Q3 2018
Shares 43,294 Value ($000) $1,295 Avg Close — Range —
Q2 2018
Shares 28,884 Value ($000) $1,060 Avg Close — Range —
Q1 2018
Shares 52,034 Value ($000) $1,714 Avg Close — Range —
Q4 2017
Shares 67,829 Value ($000) $1,854 Avg Close — Range —
Q3 2017
Shares 99,141 Value ($000) $3,672 Avg Close — Range —
Q2 2017
Shares 93,765 Value ($000) $3,564 Avg Close — Range —
Q1 2017
Shares 74,523 Value ($000) $3,644 Avg Close — Range —
Q3 2016
Shares 2,019 Value ($000) $76 Avg Close — Range —
Q2 2016
Shares 26,075 Value ($000) $877 Avg Close — Range —
Q1 2016
Shares 39,983 Value ($000) $1,270 Avg Close — Range —
Q4 2015
Shares 24,341 Value ($000) $909 Avg Close — Range —
Q3 2015
Shares 1,878 Value ($000) $71 Avg Close — Range —
Q2 2015
Shares 34,307 Value ($000) $982 Avg Close — Range —
Q1 2015
Shares 11,226 Value ($000) $315 Avg Close — Range —
Q3 2014
Shares 8,606 Value ($000) $192 Avg Close — Range —
Q2 2014
Shares 2,663 Value ($000) $77 Avg Close — Range —
Q1 2014
Shares 2,400 Value ($000) $68 Avg Close — Range —