Sigma Labs Inc

CUSIP: 826598104 Class: COM

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q4 2013
Shares 10,791,801 Value ($000) $1,943 Avg Close — Range —
Q3 2013
Shares 8,706,400 Value ($000) $871 Avg Close — Range —