MEDICINES CO

CUSIP: 584688105 Class: COM

Atika Capital Management LLC's Holding History (CIK: 0001599731)

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

Q3 2019
Shares 124,000 Value ($000) $6,199 Avg Close — Range —
Q2 2019
Shares 71,000 Value ($000) $2,589 Avg Close — Range —
Q3 2018
Shares 20,000 Value ($000) $599 Avg Close — Range —
Q2 2018
Shares 10,813 Value ($000) $396 Avg Close — Range —
Q3 2017
Shares 78,000 Value ($000) $2,889 Avg Close — Range —
Q2 2017
Shares 190,000 Value ($000) $7,222 Avg Close — Range —
Q1 2017
Shares 76,000 Value ($000) $3,716 Avg Close — Range —
Q4 2016
Shares 44,000 Value ($000) $1,494 Avg Close — Range —
Q3 2016
Shares 65,000 Value ($000) $2,453 Avg Close — Range —