ZACKS INVESTMENT MANAGEMENT

Holdings History for NATURAL GAS SERVICES GROUP INC - Common Stock, par value $0.01 per share (NGS)

Symbol: NGS on NYSE
Investment type: Equity / Common Stock, par value $0.01 per share

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
30 Sep 2016		-0.03%	$0	0	-39,412	-100%	$36.39	Q3 2016
30 Jun 2016	0.03%	+0%	$903,000	39,412	+762	+2%	$22.91	Q2 2016
31 Mar 2016	0.03%	+0%	$836,000	38,650	+3,544	+10%	$21.63	Q1 2016
31 Dec 2015	0.03%	+0.03%	$783,000	35,106	+35,106	NEW	$22.30	Q4 2015

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.