GEVO INC

CUSIP: 374396109 Class: CMN

SG Americas Securities, LLC's Holding History (CIK: 0001313360)

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

Q1 2015
Shares 76,300 Value ($000) $15 Avg Close — Range —
Q4 2014
Shares 52,777 Value ($000) $17 Avg Close — Range —
Q2 2014
Shares 28,920 Value ($000) $25 Avg Close — Range —
Q1 2014
Shares 19,323 Value ($000) $23 Avg Close — Range —
Q4 2013
Shares 19,223 Value ($000) $27 Avg Close — Range —
Q3 2013
Shares 20,823 Value ($000) $40 Avg Close — Range —
Q2 2013
Shares 38,987 Value ($000) $79 Avg Close — Range —