NANOSPHERE INC

CUSIP: 63009F105 Class: COM

PIPER SANDLER & CO.'s Holding History (CIK: 0000724683)

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

Q2 2014
Shares 100,000 Value ($000) $158 Avg Close — Range —
Q4 2013
Shares 106,250 Value ($000) $243 Avg Close — Range —