BRIDGEWAY CAPITAL MANAGEMENT, LLC

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
31 Dec 2025	0.15%	-0.01%	$7,184,376	213,503	-20,000	-8.6%	$33.65	Q4 2025
30 Sep 2025	0.14%	-0%	$6,535,749	233,503	-5,660	-2.4%	$27.99	Q3 2025
30 Jun 2025	0.15%	+0%	$6,172,797	239,163	+3,330	+1.4%	$25.81	Q2 2025
31 Mar 2025	0.13%	-0.02%	$5,181,251	235,833	-30,675		$21.97	Q1 2025
31 Dec 2024	0.16%	+0%	$7,142,414	266,508	+3,797	+1.4%	$26.80	Q4 2024
30 Sep 2024	0.11%	+0%	$5,020,407	262,711	+4,422	+1.7%	$19.11	Q3 2024
30 Jun 2024	0.12%	+0%	$5,196,775	258,289	+5,940	+2.4%	$20.12	Q2 2024
31 Mar 2024	0.1%	+0%	$4,903,141	252,349	+5,917	+2.4%	$19.43	Q1 2024
31 Dec 2023	0.08%	+0%	$3,962,627	246,432	+6,528	+2.7%	$16.08	Q4 2023
30 Sep 2023	0.08%	-0%	$3,493,002	239,904	-5,744	-2.3%	$14.56	Q3 2023
30 Jun 2023	0.06%	-0%	$2,431,915	245,648	-3,866	-1.5%	$9.90	Q2 2023
31 Mar 2023	0.07%	-0%	$2,572,489	249,514	-3,230	-1.3%	$10.31	Q1 2023
31 Dec 2022	0.07%	+0.01%	$2,896,446	252,744	+50,000	+25%	$11.46	Q4 2022
30 Sep 2022	0.05%	-0%	$2,036,000	202,744	-284	-0.14%	$10.04	Q3 2022
30 Jun 2022	0.05%	-0%	$2,233,000	203,028	-7,000	-3.3%	$11.00	Q2 2022
31 Mar 2022	0.05%	+0%	$2,501,000	210,028	+18,400	+9.6%	$11.91	Q1 2022
31 Dec 2021	0.04%	-0%	$2,006,000	191,628	-1,400	-0.73%	$10.47	Q4 2021
30 Sep 2021	0.04%	0%	$2,004,000	193,028	0		$10.38	Q3 2021
30 Jun 2021	0.04%	-0%	$1,984,000	193,028	-4,400	-2.2%	$10.28	Q2 2021
31 Mar 2021	0.03%	+0.01%	$1,864,000	197,428	+49,000	+33%	$9.44	Q1 2021
31 Dec 2020	0.03%	0%	$1,407,000	148,428	0		$9.48	Q4 2020
30 Sep 2020	0.03%	-0.01%	$1,254,000	148,428	-49,600	-25%	$8.45	Q3 2020
30 Jun 2020	0.03%	+0%	$1,242,000	198,028	+27,300	+16%	$6.27	Q2 2020
31 Mar 2020	0.02%	-0%	$761,000	170,728	-8,136	-4.5%	$4.46	Q1 2020
31 Dec 2019	0.03%	-0%	$2,193,000	178,864	-7,900	-4.2%	$12.26	Q4 2019
30 Sep 2019	0.03%	+0%	$2,392,000	186,764	+16,300	+9.6%	$12.81	Q3 2019
30 Jun 2019	0.04%	-0.01%	$2,813,000	170,464	-29,809	-15%	$16.50	Q2 2019
31 Mar 2019	0.04%	0%	$3,467,000	200,273	0		$17.31	Q1 2019
31 Dec 2018	0.04%	0%	$3,292,000	200,273	0		$16.44	Q4 2018
30 Sep 2018	0.04%	+0%	$4,226,000	200,273	+700	+0.35%	$21.10	Q3 2018
30 Jun 2018	0.05%	0%	$4,710,000	199,573	0		$23.60	Q2 2018
31 Mar 2018	0.05%	0%	$4,760,000	199,573	0		$23.85	Q1 2018
31 Dec 2017	0.06%	0%	$5,229,000	199,573	0		$26.20	Q4 2017
30 Sep 2017	0.06%	0%	$5,668,000	199,573	0		$28.40	Q3 2017
30 Jun 2017	0.06%	0%	$4,959,000	199,573	0		$24.85	Q2 2017
31 Mar 2017	0.06%	-0%	$5,199,000	199,573	-700	-0.35%	$26.05	Q1 2017
31 Dec 2016	0.08%	-0%	$6,439,000	200,273	-10,415	-4.9%	$32.15	Q4 2016
30 Sep 2016	0.08%	-0%	$5,181,000	210,688	-11,000	-5%	$24.59	Q3 2016
30 Jun 2016	0.08%	0%	$5,077,000	221,688	0		$22.90	Q2 2016
31 Mar 2016	0.08%	+0%	$4,795,000	221,688	+6,683	+3.1%	$21.63	Q1 2016
31 Dec 2015	0.09%	+0.03%	$4,795,000	215,005	+81,900	+62%	$22.30	Q4 2015
30 Sep 2015	0.05%	0%	$2,569,000	133,105	0		$19.30	Q3 2015
30 Jun 2015	0.06%	0%	$3,037,000	133,105	0		$22.82	Q2 2015
31 Mar 2015	0.05%	+0.01%	$2,558,000	133,105	+31,700	+31%	$19.22	Q1 2015
31 Dec 2014	0.05%	+0.01%	$2,336,000	101,405	+20,000	+25%	$23.04	Q4 2014
30 Sep 2014	0.05%	-0%	$1,959,000	81,405	-800	-0.97%	$24.06	Q3 2014
30 Jun 2014	0.07%	0%	$2,718,000	82,205	0		$33.06	Q2 2014
31 Mar 2014	0.07%	0%	$2,478,000	82,205	0		$30.14	Q1 2014
31 Dec 2013	0.07%	0%	$2,266,000	82,205	0		$27.57	Q4 2013

* 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.