Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Aug 15, 2016	S	3,873	$6.21	D	56,028	I	By Holland/Yates Family Trust dtd 7/23/1999
Common Stock^F3,F2	Aug 16, 2016	S	23,511	$6.04	D	32,517	I	By Holland/Yates Family Trust dtd 7/23/1999
Common Stock^F4	holding	—	—		—	11,941,468	I	By Foundation Capital VI, L.P.
Common Stock^F4	holding	—	—		—	89,619	I	By Foundation Capital VI Principals Fund, LLC
Common Stock^F5	holding	—	—		—	42,006	I	By William B. Elmore Revocable Trust
Common Stock^F6	holding	—	—		—	9,532	I	By The Holland Childrens Trust
Common Stock^F7	holding	—	—		—	25,513	I	By Vassallo Family Revocable Trust dated 7/15/02
Common Stock^F8	holding	—	—		—	15,194	I	By Koontz Revocable Trust U/A/D 6/29/1998
Common Stock^F9	holding	—	—		—	29,144	I	By Michael N. & Mary G. Schuh 1990 Family Trust
Common Stock^F10	holding	—	—		—	26,746	I	By Elmore Family Investments B, LP
Common Stock^F11	holding	—	—		—	11,877	I	By Shane T. Weiss GST Exempt Trust
Common Stock^F12	holding	—	—		—	11,877	I	By Ally L. Weiss GST Exempt Trust
Common Stock^F13	holding	—	—		—	18,846	I	By Moldow Family Trust dated 11/11/2003
Common Stock^F14	holding	—	—		—	69,006	I	By Warren M. Weiss Trust UA dated 7/20/2005

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Price reflected is the weighted-average sale price for shares sold. The range of sale prices for the transactions reported was $6.18 to $6.25 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F10The shares are held by Elmore Family Investments B, LP (the "Elmore Partnership"). William B. Elmore is a general partner of the Elmore Partnership. The Reporting Person disclaims beneficial ownership of the shares held by the Elmore Partnership except to the extent of his proportionate pecuniary interest therein.
F11The shares are held by the SHANE T. WEISS GST EXEMPT TRUST (the "SHANE Trust"), a trust controlled by or for the benefit of one or more of Warren M. Weiss' family members. The Reporting Person disclaims beneficial ownership of the shares held by the SHANE Trust except to the extent of his proportionate pecuniary interest therein.
F12The shares are held by the ALLY L. WEISS GST EXEMPT TRUST (the "ALLY Trust"), a trust controlled by or for the benefit of one or more of Warren M. Weiss' family members. The Reporting Person disclaims beneficial ownership of the shares held by the ALLY Trust except to the extent of his proportionate pecuniary interest therein.
F13The shares are held by the Moldow Family Trust dated 11/11/2003 (the "Moldow Family Trust"). Charles Moldow is a trustee of the Moldow Family Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Moldow Family Trust except to the extent of his proportionate pecuniary interest therein.
F14The shares are held by The Warren M. Weiss Trust UA dated 7/20/2005 (the "Weiss Trust"). Warren M. Weiss is a trustee of the Weiss Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Weiss Trust except to the extent of his proportionate pecuniary interest therein.
F2The shares are held by the Holland/Yates Family Trust dtd 7/23/1999 (the "Holland Family Trust"). Paul R. Holland is a trustee of the Holland Family Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Holland Family Trust except to the extent of his proportionate pecuniary interest therein.
F3Price reflected is the weighted-average sale price for shares sold. The range of sale prices for the transactions reported was $5.95 to $6.20 per share. The Reporting Person undertakes to provide, upon request by the SEC staff, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate price.
F4Foundation Capital Management Co. VI, L.L.C. is the sole manager of Foundation Capital VI, L.P. and Foundation Capital VI Principals Fund, LLC and has sole voting and investment power with respect to the shares held by Foundation Capital VI, L.P. and Foundation Capital VI Principals Fund, LLC. William B. Elmore, Paul G. Koontz, Michael N. Schuh, Paul R. Holland, Steve P. Vassallo, Charles P. Moldow and Warren M. Weiss are managing members of Foundation Capital Management Co. VI, L.L.C., and may be deemed to share voting and investment power over the shares owned by Foundation Capital VI, L.P. and Foundation Capital VI Principals Fund, LLC. Each of the managing members of Foundation Capital Management Co. VI, L.L.C. disclaims beneficial ownership in the shares held by the aforementioned entities except to the extent of his or her pecuniary interest therein.
F5The shares are held by the William B. Elmore Revocable Trust (the "Elmore Trust"). William B. Elmore is a trustee of the Elmore Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Elmore Trust except to the extent of his proportionate pecuniary interest therein.
F6The shares are held by The Holland Children's Trust (the "Holland Children's Trust"). Paul R. Holland is a trustee of the Holland Children's Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Holland Children's Trust except to the extent of his proportionate pecuniary interest therein.
F7The shares are held by the Vassallo Family Revocable Trust dated 7/15/02 (the "Vassallo Family Trust"). Steve P. Vassallo is a trustee of the Vassallo Family Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Vassallo Family Trust except to the extent of his proportionate pecuniary interest therein.
F8The shares are held by the Koontz Revocable Trust U/A/D 6/29/1998 (the "Koontz Trust"). Paul G. Koontz is a trustee of the Koontz Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Koontz Trust except to the extent of his proportionate pecuniary interest therein.
F9The shares are held by the Michael N. & Mary G. Schuh 1990 Family Trust (the "Schuh Trust"). Michael N. Schuh is a trustee of the Schuh Trust. The Reporting Person disclaims beneficial ownership of the shares held by the Schuh Trust except to the extent of his proportionate pecuniary interest therein.