NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

Pacific Ridge Capital Partners, LLC's Holding History (CIK: 0001591546)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 345,662 Value ($000) $11,632 Avg Close $29.70 Range $25.36 - $34.47

Q3 2025

Shares 391,287 Value ($000) $10,952 Avg Close $25.41 Range $22.48 - $28.73

Q2 2025

Shares 400,243 Value ($000) $10,330 Avg Close $22.21 Range $16.55 - $27.54

Q1 2025

Shares 406,154 Value ($000) $8,923 Avg Close $25.04 Range $20.01 - $29.42

Q4 2024

Shares 426,644 Value ($000) $11,434 Avg Close $23.22 Range $18.21 - $28.20

Q3 2024

Shares 452,026 Value ($000) $8,638 Avg Close $19.78 Range $16.52 - $22.59

Q2 2024

Shares 485,319 Value ($000) $9,765 Avg Close $21.72 Range $17.81 - $24.97

Q1 2024

Shares 589,681 Value ($000) $11,458 Avg Close $15.93 Range $13.55 - $19.94

Q4 2023

Shares 620,298 Value ($000) $9,974 Avg Close $14.30 Range $12.61 - $16.27

Q3 2023

Shares 628,309 Value ($000) $9,148 Avg Close $10.78 Range $9.52 - $15.23

Q2 2023

Shares 589,922 Value ($000) $5,840 Avg Close $10.23 Range $9.45 - $11.09

Q1 2023

Shares 560,025 Value ($000) $5,774 Avg Close $10.89 Range $9.31 - $12.54

Q4 2022

Shares 564,247 Value ($000) $6,466 Avg Close $10.80 Range $9.88 - $12.25

Q3 2022

Shares 572,892 Value ($000) $5,752 Avg Close $10.16 Range $9.01 - $12.32

Q2 2022

Shares 590,580 Value ($000) $6,496 Avg Close $12.63 Range $10.83 - $14.84

Q1 2022

Shares 648,477 Value ($000) $7,723 Avg Close $11.42 Range $9.74 - $13.89

Q4 2021

Shares 645,425 Value ($000) $6,758 Avg Close $11.19 Range $9.41 - $12.83

Q3 2021

Shares 654,550 Value ($000) $6,794 Avg Close $9.70 Range $8.82 - $10.76

Q2 2021

Shares 693,510 Value ($000) $7,129 Avg Close $9.89 Range $8.77 - $11.52

Q1 2021

Shares 666,899 Value ($000) $6,296 Avg Close $9.42 Range $7.92 - $10.65

Q4 2020

Shares 522,767 Value ($000) $4,956 Avg Close $9.94 Range $8.27 - $12.10

Q3 2020

Shares 404,095 Value ($000) $3,415 Avg Close $7.49 Range $6.05 - $10.02

Q2 2020

Shares 562,940 Value ($000) $3,530 Avg Close $5.74 Range $3.96 - $8.23

Q1 2020

Shares 484,490 Value ($000) $2,161 Avg Close $9.28 Range $2.59 - $13.00

Q4 2019

Shares 457,083 Value ($000) $5,604 Avg Close $11.66 Range $10.44 - $12.91

Q3 2019

Shares 415,221 Value ($000) $5,319 Avg Close $13.56 Range $10.11 - $16.51

Q2 2019

Shares 300,425 Value ($000) $4,957 Avg Close $16.22 Range $14.71 - $18.54

Q1 2019

Shares 227,241 Value ($000) $3,934 Avg Close $17.65 Range $15.90 - $19.02

Q4 2018

Shares 172,009 Value ($000) $2,828 Avg Close $18.94 Range $15.26 - $20.99

Q3 2018

Shares 170,410 Value ($000) $3,596 Avg Close $21.85 Range $20.28 - $24.24

Q2 2018

Shares 159,210 Value ($000) $3,757 Avg Close $23.87 Range $21.47 - $26.42

Q1 2018

Shares 126,158 Value ($000) $3,009 Avg Close $26.44 Range $22.81 - $29.04

Q4 2017

Shares 125,368 Value ($000) $3,285 Avg Close $26.38 Range $23.89 - $29.04

Q3 2017

Shares 107,208 Value ($000) $3,045 Avg Close $24.49 Range $22.26 - $29.24

Q2 2017

Shares 96,318 Value ($000) $2,394 Avg Close $26.24 Range $22.26 - $28.69

Q1 2017

Shares 104,568 Value ($000) $2,724 Avg Close $27.74 Range $23.30 - $33.05

Q4 2016

Shares 86,952 Value ($000) $2,796 Avg Close $27.19 Range $20.43 - $34.13

Q3 2016

Shares 89,912 Value ($000) $2,211 Avg Close $24.06 Range $21.50 - $26.46

Q2 2016

Shares 93,510 Value ($000) $2,141 Avg Close $22.14 Range $19.61 - $25.27

Q1 2016

Shares 98,500 Value ($000) $2,131 Avg Close $18.82 Range $15.79 - $22.57

Q4 2015

Shares 73,910 Value ($000) $1,648 Avg Close $21.48 Range $18.28 - $24.21

Q3 2015

Shares 69,610 Value ($000) $1,343 Avg Close $20.31 Range $18.37 - $22.64

Q2 2015

Shares 69,490 Value ($000) $1,586 Avg Close $23.06 Range $19.10 - $25.82

Q1 2015

Shares 70,290 Value ($000) $1,351 Avg Close $19.65 Range $17.69 - $23.12

Q4 2014

Shares 68,040 Value ($000) $1,568 Avg Close $23.39 Range $20.44 - $26.73

Q3 2014

Shares 49,470 Value ($000) $1,191 Avg Close $28.91 Range $23.00 - $33.65

Q2 2014

Shares 28,870 Value ($000) $954 Avg Close $30.73 Range $28.13 - $34.48

Q1 2014

Shares 29,170 Value ($000) $879 Avg Close $29.49 Range $25.23 - $34.59

Q4 2013

Shares 31,250 Value ($000) $862 Avg Close $27.72 Range $24.44 - $30.62

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	345,662	$11,632	$29.70	$25.36 - $34.47
Q3 2025	391,287	$10,952	$25.41	$22.48 - $28.73
Q2 2025	400,243	$10,330	$22.21	$16.55 - $27.54
Q1 2025	406,154	$8,923	$25.04	$20.01 - $29.42
Q4 2024	426,644	$11,434	$23.22	$18.21 - $28.20
Q3 2024	452,026	$8,638	$19.78	$16.52 - $22.59
Q2 2024	485,319	$9,765	$21.72	$17.81 - $24.97
Q1 2024	589,681	$11,458	$15.93	$13.55 - $19.94
Q4 2023	620,298	$9,974	$14.30	$12.61 - $16.27
Q3 2023	628,309	$9,148	$10.78	$9.52 - $15.23
Q2 2023	589,922	$5,840	$10.23	$9.45 - $11.09
Q1 2023	560,025	$5,774	$10.89	$9.31 - $12.54
Q4 2022	564,247	$6,466	$10.80	$9.88 - $12.25
Q3 2022	572,892	$5,752	$10.16	$9.01 - $12.32
Q2 2022	590,580	$6,496	$12.63	$10.83 - $14.84
Q1 2022	648,477	$7,723	$11.42	$9.74 - $13.89
Q4 2021	645,425	$6,758	$11.19	$9.41 - $12.83
Q3 2021	654,550	$6,794	$9.70	$8.82 - $10.76
Q2 2021	693,510	$7,129	$9.89	$8.77 - $11.52
Q1 2021	666,899	$6,296	$9.42	$7.92 - $10.65
Q4 2020	522,767	$4,956	$9.94	$8.27 - $12.10
Q3 2020	404,095	$3,415	$7.49	$6.05 - $10.02
Q2 2020	562,940	$3,530	$5.74	$3.96 - $8.23
Q1 2020	484,490	$2,161	$9.28	$2.59 - $13.00
Q4 2019	457,083	$5,604	$11.66	$10.44 - $12.91
Q3 2019	415,221	$5,319	$13.56	$10.11 - $16.51
Q2 2019	300,425	$4,957	$16.22	$14.71 - $18.54
Q1 2019	227,241	$3,934	$17.65	$15.90 - $19.02
Q4 2018	172,009	$2,828	$18.94	$15.26 - $20.99
Q3 2018	170,410	$3,596	$21.85	$20.28 - $24.24
Q2 2018	159,210	$3,757	$23.87	$21.47 - $26.42
Q1 2018	126,158	$3,009	$26.44	$22.81 - $29.04
Q4 2017	125,368	$3,285	$26.38	$23.89 - $29.04
Q3 2017	107,208	$3,045	$24.49	$22.26 - $29.24
Q2 2017	96,318	$2,394	$26.24	$22.26 - $28.69
Q1 2017	104,568	$2,724	$27.74	$23.30 - $33.05
Q4 2016	86,952	$2,796	$27.19	$20.43 - $34.13
Q3 2016	89,912	$2,211	$24.06	$21.50 - $26.46
Q2 2016	93,510	$2,141	$22.14	$19.61 - $25.27
Q1 2016	98,500	$2,131	$18.82	$15.79 - $22.57
Q4 2015	73,910	$1,648	$21.48	$18.28 - $24.21
Q3 2015	69,610	$1,343	$20.31	$18.37 - $22.64
Q2 2015	69,490	$1,586	$23.06	$19.10 - $25.82
Q1 2015	70,290	$1,351	$19.65	$17.69 - $23.12
Q4 2014	68,040	$1,568	$23.39	$20.44 - $26.73
Q3 2014	49,470	$1,191	$28.91	$23.00 - $33.65
Q2 2014	28,870	$954	$30.73	$28.13 - $34.48
Q1 2014	29,170	$879	$29.49	$25.23 - $34.59
Q4 2013	31,250	$862	$27.72	$24.44 - $30.62