Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock ($0.0001 par value)^F4,F1	May 18, 2018	P	25,409	$9.0003	A	308,510	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F2	May 18, 2018	P	12,704	$9.0003	A	154,328	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F5,F1	May 23, 2018	P	20,563	$8.9985	A	329,073	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F5,F2	May 23, 2018	P	10,129	$8.9985	A	164,457	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F6,F1	Jun 11, 2018	P	1,827	$9.8372	A	330,900	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F6,F2	Jun 11, 2018	P	900	$9.8372	A	165,357	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F7,F1	Jun 14, 2018	P	2,546	$10.4433	A	333,446	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F7,F2	Jun 14, 2018	P	1,254	$10.4433	A	166,611	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F3,F1	Jul 1, 2018	J	34,294	—	D	299,152	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F3,F2	Jul 1, 2018	J	34,294	—	A	200,905	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F8,F1	Jul 9, 2018	P	1,648	$9.7382	A	300,800	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F8,F2	Jul 9, 2018	P	1,089	$9.7383	A	201,994	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F9,F1	Jul 10, 2018	P	4,518	$9.6173	A	305,318	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F9,F2	Jul 10, 2018	P	2,982	$9.6173	A	204,976	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F1	Jul 11, 2018	P	3,012	$9.2998	A	308,330	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F2	Jul 11, 2018	P	1,988	$9.2998	A	206,964	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F10,F1	Jul 12, 2018	P	8,723	$9.5436	A	317,053	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F10,F2	Jul 12, 2018	P	5,762	$9.5436	A	212,726	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F11,F1	Jul 13, 2018	P	5,464	$9.4789	A	322,517	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F11,F2	Jul 13, 2018	P	3,608	$9.4789	A	216,334	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F12,F1	Jul 16, 2018	P	1,806	$9.4952	A	324,323	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F12,F2	Jul 16, 2018	P	1,194	$9.4952	A	217,528	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F13,F1	Jul 17, 2018	P	1,806	$9.3471	A	326,129	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F13,F2	Jul 17, 2018	P	1,194	$9.3471	A	218,722	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F14,F1	Jul 18, 2018	P	2,348	$9.4868	A	328,477	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F14,F2	Jul 18, 2018	P	1,552	$9.4868	A	220,274	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F15,F1	Jul 23, 2018	P	3,390	$9.3786	A	331,867	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F15,F2	Jul 23, 2018	P	2,240	$9.3786	A	222,514	I	By: Greenhaven Road Capital Fund 2, L.P.
Common Stock ($0.0001 par value)^F16,F1	Jul 24, 2018	P	3,614	$9.4976	A	335,481	I	By: Greenhaven Road Capital Fund 1, L.P.
Common Stock ($0.0001 par value)^F16,F2	Jul 24, 2018	P	2,386	$9.4976	A	224,900	I	By: Greenhaven Road Capital Fund 2, L.P.

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Greenhaven Road Capital Fund 1, L.P. (""Fund 1"") is a private investment vehicle. Fund 1 directly owns these securities reported herein. Greenhaven Road Investment Management, LP (the ""Investment Manager"") is the investment manager of Fund 1. MVM Funds, LLC (the ""General Partner"") is the general partner of Fund 1 and the Investment Manager. Scott Miller is the controlling person of the General Partner. Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose.
F10The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.50 to $9.9.6274, inclusive.
F11The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.439570789 to $9.498852878, inclusive.
F12The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.4856 to $9.50, inclusive.
F13The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.3383 to $9.35511, inclusive.
F14The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.467894737 to $9.52165, inclusive.
F15The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.23765 to $9.44, inclusive.
F16The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.49529333 to $9.50, inclusive.
F2Greenhaven Road Capital Fund 2, L.P. (""Fund 2"") is a private investment vehicle. Fund 2 directly owns these securities reported herein. The Investment Manager is the investment manager of Fund 2. The General Partner is the general partner of Fund 2. Each Reporting Person disclaims beneficial ownership of all securities reported herein, except to the extent of their pecuniary interest therein, if any, and this report shall not be deemed an admission that such Reporting Person is the beneficial owner of such securities for purposes of Section 16 of the Securities and Exchange Act of 1934 or for any other purpose.
F3Represents a transfer from Fund 1 to Fund 2 and a mere change in the form of beneficial ownership (certain investors in Fund 1 were moved to Fund 2 along with their pro rata share of the assets of Fund 1).
F4All prices reported herein are exclusive of brokerage commissions.
F5The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $8.99393 to $9.00, inclusive. The Reporting Persons undertake to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares acquired at each separate price within the ranges set forth in footnotes (5) through (16) of this Form 4.
F6The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.83528 to $9.84, inclusive.
F7The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $10.3973 to $10.48784, inclusive.
F8The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.64 to $9.741896094, inclusive.
F9The price reported in Column 4 is a weighted average price. These shares were acquired in multiple transactions at prices ranging from $9.60 to $9.625490196, inclusive.