ARCA BIOPHARMA INC

CUSIP: 00211Y209 Class: COM NEW

CITADEL ADVISORS LLC's Holding History (CIK: 0001423053)

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

Q2 2015
Shares 18,763 Value ($000) $22 Avg Close — Range —
Q1 2015
Shares 31,511 Value ($000) $25 Avg Close — Range —
Q4 2014
Shares 32,235 Value ($000) $31 Avg Close — Range —
Q3 2014
Shares 15,914 Value ($000) $20 Avg Close — Range —
Q2 2014
Shares 18,445 Value ($000) $27 Avg Close — Range —