13G Filing: Sabby Capital and Gevo Inc. (GEVO)

( (iv)
Shared power to dispose or to direct the disposition of
1,088,347
.As calculated in accordance with Rule 13d-3 of the Securities Exchange Act of
1934, as amended, (i) Sabby Healthcare Master Fund, Ltd. and Sabby
Volatility Master Fund, Ltd. beneficially own 657,500 and 657,500 shares of
the Issuer’s common stock (“Common Stock”), respectively, representing
approximately 3.01% and 3.01% of the Common Stock, respectively, and
(ii) Sabby Management, LLC and Hal Mintz each beneficially own 1,088,347
shares of the Common Stock, representing approximately 4.99% of the Common
Stock. Sabby Management, LLC and Hal Mintz do not directly own any shares of
Common Stock, but each indirectly owns 1,088,347 shares of
Common Stock. Sabby Management, LLC, a Delaware limited liability company,
indirectly owns 1,088,347 shares of Common Stock because it serves as the
investment manager of Sabby Healthcare Master Fund, Ltd. and Sabby
Volatility Warrant Master Fund, Ltd., Cayman Islands companies. Mr. Mintz
indirectly owns 1,088,347 shares of Common Stock in his capacity as
manager of Sabby Management, LLC.