NANOSPHERE INC

CUSIP: 63009F105 Class: COM

PERKINS CAPITAL MANAGEMENT INC's Holding History (CIK: 0000884300)

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

Q1 2015
Shares 27,000 Value ($000) $6 Avg Close — Range —
Q4 2014
Shares 38,000 Value ($000) $15 Avg Close — Range —
Q3 2014
Shares 59,500 Value ($000) $34 Avg Close — Range —
Q2 2014
Shares 68,500 Value ($000) $108 Avg Close — Range —
Q1 2014
Shares 529,550 Value ($000) $1,139 Avg Close — Range —
Q4 2013
Shares 948,050 Value ($000) $2,171 Avg Close — Range —
Q3 2013
Shares 858,750 Value ($000) $1,718 Avg Close — Range —
Q2 2013
Shares 382,750 Value ($000) $1,175 Avg Close — Range —