Gevo, Inc. — Director's Dealing 2013

Sep 18, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Gevo, Inc. (GEVO)
CIK: 0001392380
Period of Report: 2013-09-16

Reporting Person: Lund Brett (EVP, GC and Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-09-16	Common Stock	S	2000	$1.94	Disposed	150959	Direct
2013-09-17	Common Stock	S	4717	$1.95	Disposed	146242	Direct
2013-09-18	Common Stock	A	30000	$0.49	Acquired	176242	Direct
2013-09-18	Common Stock	A	30000	$1.16	Acquired	206242	Direct
2013-09-18	Common Stock	S	60000	$2.03	Disposed	146242	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-09-18	Non-Qualified Stock Option (right to buy)	$0.49	X	30000	Disposed	2017-12-17	Common Stock (30000)	Direct
2013-09-18	Non-Qualified Stock Option (right to buy)	$1.16	X	30000	Disposed	2018-08-11	Common Stock (30000)	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.92 to $1.96, inclusive. The reporting person undertakes to provide to Gevo, Inc., any security holder of Gevo, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (1) to this Form 4.

F2: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 16, 2013. The shares sold represent shares of restricted stock granted to the reporting person that have recently vested. Such shares were sold, in part, to satisfy certain tax obligations of the reporting person triggered by the vesting of such shares.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1.92 to $1.97, inclusive. The reporting person undertakes to provide to Gevo, Inc., any security holder of Gevo, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (3) to this Form 4.

F4: This option was granted on December 17, 2007 and became exercisable as the option vested over a four year period.

F5: This option was granted on August 11, 2008 and became exercisable as the option vested over a four year period.

F6: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $2.02 to $2.04, inclusive. The reporting person undertakes to provide to Gevo, Inc., any security holder of Gevo, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote (6) to this Form 4.

F7: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on May 16, 2013.