COMBIMATRIX CORPORATION

CUSIP: 20009T303 Class: COM

ACUTA CAPITAL PARTNERS, LLC's Holding History (CIK: 0001582844)

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

Q4 2015
Shares 711,470 Value ($000) $520 Avg Close — Range —
Q3 2015
Shares 893,644 Value ($000) $1,001 Avg Close — Range —
Q2 2015
Shares 880,244 Value ($000) $1,417 Avg Close — Range —
Q1 2015
Shares 880,244 Value ($000) $1,672 Avg Close — Range —
Q4 2014
Shares 853,278 Value ($000) $1,101 Avg Close — Range —