Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Mar 8, 2018	S	10,000	$9.12	D	2,146,797	I	See footnote
Common Stock^F1,F2	Mar 12, 2018	S	18,560	$9.50	D	2,128,237	I	See footnote
Common Stock^F1,F2	Mar 13, 2018	S	16,934	$9.27	D	2,111,303	I	See footnote
Common Stock^F1,F2	Mar 14, 2018	S	13,600	$9.47	D	2,097,703	I	See footnote
Common Stock^F1,F2	Mar 16, 2018	S	6,423	$9.52	D	2,091,280	I	See footnote
Common Stock^F1,F2	Mar 16, 2018	S	2,120	$9.52	D	2,089,160	I	See footnote
Common Stock^F3	Mar 16, 2018	S	2,120	$9.52	D	1,672,494	D
Common Stock^F1,F2	Mar 19, 2018	S	200	$9.57	D	2,088,960	I	See footnote
Common Stock^F3	Mar 19, 2018	S	200	$9.57	D	1,672,294	D
Common Stock^F1,F2	Mar 20, 2018	S	4,200	$9.54	D	2,084,760	I	See footnote
Common Stock^F3	Mar 20, 2018	S	4,200	$9.54	D	1,668,094	D
Common Stock^F1,F2	Mar 20, 2018	S	15,183	$9.70	D	2,069,577	I	See footnote
Common Stock^F3	Mar 20, 2018	S	15,183	$9.70	D	1,652,911	D
Common Stock^F1,F2	Mar 21, 2018	S	210,311	$10.18	D	1,859,266	I	See footnote
Common Stock^F3	Mar 21, 2018	S	210,311	$10.18	D	1,442,600	D
Common Stock^F1,F2	Mar 22, 2018	S	20,000	$10.76	D	1,839,266	I	See footnote
Common Stock^F3	Mar 22, 2018	S	20,000	$10.76	D	1,422,600	D
Common Stock^F1,F2	Mar 23, 2018	S	3,500	$10.88	D	1,835,766	I	See footnote
Common Stock^F3	Mar 23, 2018	S	3,500	$10.88	D	1,419,100	D
Common Stock^F1,F2	Mar 27, 2018	S	22,707	$11.34	D	1,813,059	I	See footnote
Common Stock^F3	Mar 27, 2018	S	22,707	$11.34	D	1,396,393	D
Common Stock^F1,F2	Mar 28, 2018	S	605	$11.65	D	1,812,454	I	See footnote
Common Stock^F3	Mar 28, 2018	S	605	$11.65	D	1,395,788	D
Common Stock^F1,F2	Mar 28, 2018	S	145,788	$11.50	D	1,666,666	I	See footnote
Common Stock^F3	Mar 28, 2018	S	145,788	$11.50	D	1,250,000	D

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Manchester Management PR, LLC, a Puerto Rico limited liability company, provides investment management services to private individuals and institutions, including Manchester Explorer, L.P. The reported securities are indirectly beneficially owned by Manchester Management PR, LLC as a result of it having investment discretion over certain advisory accounts it manages and by Manchester Management Company, LLC as a result of it being the general partner over certain advisory accounts. The reported securities may also be deemed to be indirectly beneficially owned by James E. Besser, as the Managing Member of Manchester Management PR, LLC and as a Managing Member of Manchester Management Company, LLC, and by Morgan C. Frank, who serves as a portfolio manager and a consultant of Manchester Management Company, LLC.
F2Each of the Reporting Persons disclaim beneficial ownership of the reported securities and warrants except to the extent of their pecuniary interest therein, and this report shall not be deemed an admission that such Reporting Persons are the beneficial owners of the securities and warrants for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.
F3The reported securities are directly owned by Manchester Explorer, L.P., a Delaware limited partnership.

Remarks

This is the fourth part of a Form 4 filing for the reporting persons. There are four parts to this Form 4 filing because of the constraint of a 30 transaction line maximum for tables in a Form 4.