GLOBAL GEOPHYSICAL SVCS INC

CUSIP: 37946S107 Class: CMN

EMERALD ADVISERS, LLC's Holding History (CIK: 0001015083)

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

Q3 2013
Shares 65,555 Value ($000) $178 Avg Close Range
Q2 2013
Shares 346,538 Value ($000) $1,636 Avg Close Range