NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

ROYCE & ASSOCIATES LP's Holding History (CIK: 0000906304)

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

Q4 2025

Shares 354,816 Value ($000) $11,940 Avg Close $29.70 Range $25.36 - $34.47

Q3 2025

Shares 361,571 Value ($000) $10,120 Avg Close $25.41 Range $22.48 - $28.73

Q2 2025

Shares 352,787 Value ($000) $9,105 Avg Close $22.21 Range $16.55 - $27.54

Q1 2025

Shares 209,848 Value ($000) $4,610 Avg Close $25.04 Range $20.01 - $29.42

Q4 2024

Shares 242,843 Value ($000) $6,508 Avg Close $23.22 Range $18.21 - $28.20

Q3 2024

Shares 252,843 Value ($000) $4,832 Avg Close $19.78 Range $16.52 - $22.59

Q2 2024

Shares 252,843 Value ($000) $5,087 Avg Close $21.72 Range $17.81 - $24.97

Q1 2024

Shares 322,843 Value ($000) $6,273 Avg Close $15.93 Range $13.55 - $19.94

Q4 2023

Shares 358,643 Value ($000) $5,767 Avg Close $14.30 Range $12.61 - $16.27

Q3 2023

Shares 431,579 Value ($000) $6,284 Avg Close $10.78 Range $9.52 - $15.23

Q2 2023

Shares 425,979 Value ($000) $4,217 Avg Close $10.23 Range $9.45 - $11.09

Q1 2023

Shares 419,458 Value ($000) $4,325 Avg Close $10.89 Range $9.31 - $12.54

Q4 2022

Shares 420,258 Value ($000) $4,816 Avg Close $10.80 Range $9.88 - $12.25

Q3 2022

Shares 420,258 Value ($000) $4,219 Avg Close $10.16 Range $9.01 - $12.32

Q2 2022

Shares 420,258 Value ($000) $4,623 Avg Close $12.63 Range $10.83 - $14.84

Q1 2022

Shares 468,008 Value ($000) $5,574 Avg Close $11.42 Range $9.74 - $13.89

Q4 2021

Shares 494,192 Value ($000) $5,174 Avg Close $11.19 Range $9.41 - $12.83

Q3 2021

Shares 488,966 Value ($000) $5,075 Avg Close $9.70 Range $8.82 - $10.76

Q2 2021

Shares 488,966 Value ($000) $5,027 Avg Close $9.89 Range $8.77 - $11.52

Q1 2021

Shares 488,966 Value ($000) $4,616 Avg Close $9.42 Range $7.92 - $10.65

Q4 2020

Shares 471,266 Value ($000) $4,468 Avg Close $9.94 Range $8.27 - $12.10

Q3 2020

Shares 471,266 Value ($000) $3,982 Avg Close $7.49 Range $6.05 - $10.02

Q2 2020

Shares 464,366 Value ($000) $2,912 Avg Close $5.74 Range $3.96 - $8.23

Q1 2020

Shares 292,666 Value ($000) $1,305 Avg Close $9.28 Range $2.59 - $13.00

Q4 2019

Shares 167,166 Value ($000) $2,049 Avg Close $11.66 Range $10.44 - $12.91

Q3 2019

Shares 212,166 Value ($000) $2,718 Avg Close $13.56 Range $10.11 - $16.51

Q2 2019

Shares 212,166 Value ($000) $3,501 Avg Close $16.22 Range $14.71 - $18.54

Q1 2019

Shares 266,628 Value ($000) $4,615 Avg Close $17.65 Range $15.90 - $19.02

Q4 2018

Shares 256,628 Value ($000) $4,219 Avg Close $18.94 Range $15.26 - $20.99

Q3 2018

Shares 312,884 Value ($000) $6,602 Avg Close $21.85 Range $20.28 - $24.24

Q2 2018

Shares 330,484 Value ($000) $7,799 Avg Close $23.87 Range $21.47 - $26.42

Q1 2018

Shares 247,984 Value ($000) $5,914 Avg Close $26.44 Range $22.81 - $29.04

Q4 2017

Shares 136,197 Value ($000) $3,568 Avg Close $26.38 Range $23.89 - $29.04

Q3 2017

Shares 140,358 Value ($000) $3,986 Avg Close $24.49 Range $22.26 - $29.24

Q2 2017

Shares 140,066 Value ($000) $3,481 Avg Close $26.24 Range $22.26 - $28.69

Q1 2017

Shares 118,566 Value ($000) $3,089 Avg Close $27.74 Range $23.30 - $33.05

Q4 2016

Shares 104,166 Value ($000) $3,349 Avg Close $27.19 Range $20.43 - $34.13

Q3 2016

Shares 108,666 Value ($000) $2,672 Avg Close $24.06 Range $21.50 - $26.46

Q2 2016

Shares 171,166 Value ($000) $3,920 Avg Close $22.14 Range $19.61 - $25.27

Q1 2016

Shares 171,166 Value ($000) $3,702 Avg Close $18.82 Range $15.79 - $22.57

Q4 2015

Shares 159,166 Value ($000) $3,549 Avg Close $21.48 Range $18.28 - $24.21

Q3 2015

Shares 275,266 Value ($000) $5,313 Avg Close $20.31 Range $18.37 - $22.64

Q2 2015

Shares 295,266 Value ($000) $6,738 Avg Close $23.06 Range $19.10 - $25.82

Q1 2015

Shares 367,866 Value ($000) $7,070 Avg Close $19.65 Range $17.69 - $23.12

Q4 2014

Shares 416,938 Value ($000) $9,606 Avg Close $23.39 Range $20.44 - $26.73

Q3 2014

Shares 471,638 Value ($000) $11,352 Avg Close $28.91 Range $23.00 - $33.65

Q2 2014

Shares 541,566 Value ($000) $17,904 Avg Close $30.73 Range $28.13 - $34.48

Q1 2014

Shares 554,766 Value ($000) $16,721 Avg Close $29.49 Range $25.23 - $34.59

Q4 2013

Shares 550,663 Value ($000) $15,182 Avg Close $27.72 Range $24.44 - $30.62

Q3 2013

Shares 539,066 Value ($000) $14,458 Avg Close $25.86 Range $23.52 - $27.95

Q2 2013

Shares 577,866 Value ($000) $13,574 Avg Close $21.33 Range $18.17 - $23.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	354,816	$11,940	$29.70	$25.36 - $34.47
Q3 2025	361,571	$10,120	$25.41	$22.48 - $28.73
Q2 2025	352,787	$9,105	$22.21	$16.55 - $27.54
Q1 2025	209,848	$4,610	$25.04	$20.01 - $29.42
Q4 2024	242,843	$6,508	$23.22	$18.21 - $28.20
Q3 2024	252,843	$4,832	$19.78	$16.52 - $22.59
Q2 2024	252,843	$5,087	$21.72	$17.81 - $24.97
Q1 2024	322,843	$6,273	$15.93	$13.55 - $19.94
Q4 2023	358,643	$5,767	$14.30	$12.61 - $16.27
Q3 2023	431,579	$6,284	$10.78	$9.52 - $15.23
Q2 2023	425,979	$4,217	$10.23	$9.45 - $11.09
Q1 2023	419,458	$4,325	$10.89	$9.31 - $12.54
Q4 2022	420,258	$4,816	$10.80	$9.88 - $12.25
Q3 2022	420,258	$4,219	$10.16	$9.01 - $12.32
Q2 2022	420,258	$4,623	$12.63	$10.83 - $14.84
Q1 2022	468,008	$5,574	$11.42	$9.74 - $13.89
Q4 2021	494,192	$5,174	$11.19	$9.41 - $12.83
Q3 2021	488,966	$5,075	$9.70	$8.82 - $10.76
Q2 2021	488,966	$5,027	$9.89	$8.77 - $11.52
Q1 2021	488,966	$4,616	$9.42	$7.92 - $10.65
Q4 2020	471,266	$4,468	$9.94	$8.27 - $12.10
Q3 2020	471,266	$3,982	$7.49	$6.05 - $10.02
Q2 2020	464,366	$2,912	$5.74	$3.96 - $8.23
Q1 2020	292,666	$1,305	$9.28	$2.59 - $13.00
Q4 2019	167,166	$2,049	$11.66	$10.44 - $12.91
Q3 2019	212,166	$2,718	$13.56	$10.11 - $16.51
Q2 2019	212,166	$3,501	$16.22	$14.71 - $18.54
Q1 2019	266,628	$4,615	$17.65	$15.90 - $19.02
Q4 2018	256,628	$4,219	$18.94	$15.26 - $20.99
Q3 2018	312,884	$6,602	$21.85	$20.28 - $24.24
Q2 2018	330,484	$7,799	$23.87	$21.47 - $26.42
Q1 2018	247,984	$5,914	$26.44	$22.81 - $29.04
Q4 2017	136,197	$3,568	$26.38	$23.89 - $29.04
Q3 2017	140,358	$3,986	$24.49	$22.26 - $29.24
Q2 2017	140,066	$3,481	$26.24	$22.26 - $28.69
Q1 2017	118,566	$3,089	$27.74	$23.30 - $33.05
Q4 2016	104,166	$3,349	$27.19	$20.43 - $34.13
Q3 2016	108,666	$2,672	$24.06	$21.50 - $26.46
Q2 2016	171,166	$3,920	$22.14	$19.61 - $25.27
Q1 2016	171,166	$3,702	$18.82	$15.79 - $22.57
Q4 2015	159,166	$3,549	$21.48	$18.28 - $24.21
Q3 2015	275,266	$5,313	$20.31	$18.37 - $22.64
Q2 2015	295,266	$6,738	$23.06	$19.10 - $25.82
Q1 2015	367,866	$7,070	$19.65	$17.69 - $23.12
Q4 2014	416,938	$9,606	$23.39	$20.44 - $26.73
Q3 2014	471,638	$11,352	$28.91	$23.00 - $33.65
Q2 2014	541,566	$17,904	$30.73	$28.13 - $34.48
Q1 2014	554,766	$16,721	$29.49	$25.23 - $34.59
Q4 2013	550,663	$15,182	$27.72	$24.44 - $30.62
Q3 2013	539,066	$14,458	$25.86	$23.52 - $27.95
Q2 2013	577,866	$13,574	$21.33	$18.17 - $23.75