GEVO INC

CUSIP: 374396109 Class: CMN

SABBY MANAGEMENT, LLC's Holding History (CIK: 0001535610)

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

Q4 2014
Shares 1,878,020 Value ($000) $601 Avg Close — Range —
Q3 2014
Shares 4,448,220 Value ($000) $1,524 Avg Close — Range —
Q2 2014
Shares 555,456 Value ($000) $478 Avg Close — Range —
Q4 2013
Shares 463,552 Value ($000) $663 Avg Close — Range —