NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

STATE STREET CORP's Holding History (CIK: 0000093751)

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

Q4 2025

Shares 198,877 Value ($000) $6,692 Avg Close $29.70 Range $25.36 - $34.47

Q3 2025

Shares 196,143 Value ($000) $5,490 Avg Close $25.41 Range $22.48 - $28.73

Q2 2025

Shares 195,594 Value ($000) $5,048 Avg Close $22.21 Range $16.55 - $27.54

Q1 2025

Shares 174,142 Value ($000) $3,826 Avg Close $25.04 Range $20.01 - $29.42

Q4 2024

Shares 173,413 Value ($000) $4,647 Avg Close $23.22 Range $18.21 - $28.20

Q3 2024

Shares 162,646 Value ($000) $3,108 Avg Close $19.78 Range $16.52 - $22.59

Q2 2024

Shares 136,577 Value ($000) $2,748 Avg Close $21.72 Range $17.81 - $24.97

Q1 2024

Shares 36,052 Value ($000) $700 Avg Close $15.93 Range $13.55 - $19.94

Q4 2023

Shares 36,352 Value ($000) $585 Avg Close $14.30 Range $12.61 - $16.27

Q3 2023

Shares 33,152 Value ($000) $483 Avg Close $10.78 Range $9.52 - $15.23

Q2 2023

Shares 47,053 Value ($000) $466 Avg Close $10.23 Range $9.45 - $11.09

Q1 2023

Shares 48,753 Value ($000) $503 Avg Close $10.89 Range $9.31 - $12.54

Q4 2022

Shares 48,753 Value ($000) $559 Avg Close $10.80 Range $9.88 - $12.25

Q3 2022

Shares 48,753 Value ($000) $489 Avg Close $10.16 Range $9.01 - $12.32

Q2 2022

Shares 47,053 Value ($000) $518 Avg Close $12.63 Range $10.83 - $14.84

Q1 2022

Shares 51,624 Value ($000) $615 Avg Close $11.42 Range $9.74 - $13.89

Q4 2021

Shares 51,055 Value ($000) $535 Avg Close $11.19 Range $9.41 - $12.83

Q3 2021

Shares 55,055 Value ($000) $571 Avg Close $9.70 Range $8.82 - $10.76

Q2 2021

Shares 55,055 Value ($000) $566 Avg Close $9.89 Range $8.77 - $11.52

Q1 2021

Shares 13,599 Value ($000) $128 Avg Close $9.42 Range $7.92 - $10.65

Q4 2020

Shares 16,999 Value ($000) $161 Avg Close $9.94 Range $8.27 - $12.10

Q3 2020

Shares 16,999 Value ($000) $144 Avg Close $7.49 Range $6.05 - $10.02

Q2 2020

Shares 16,999 Value ($000) $107 Avg Close $5.74 Range $3.96 - $8.23

Q1 2020

Shares 253,640 Value ($000) $1,131 Avg Close $9.28 Range $2.59 - $13.00

Q4 2019

Shares 249,144 Value ($000) $3,055 Avg Close $11.66 Range $10.44 - $12.91

Q3 2019

Shares 242,565 Value ($000) $3,107 Avg Close $13.56 Range $10.11 - $16.51

Q2 2019

Shares 291,357 Value ($000) $4,807 Avg Close $16.22 Range $14.71 - $18.54

Q1 2019

Shares 305,551 Value ($000) $5,289 Avg Close $17.65 Range $15.90 - $19.02

Q4 2018

Shares 301,170 Value ($000) $4,951 Avg Close $18.94 Range $15.26 - $20.99

Q3 2018

Shares 305,229 Value ($000) $6,440 Avg Close $21.85 Range $20.28 - $24.24

Q2 2018

Shares 289,404 Value ($000) $6,827 Avg Close $23.87 Range $21.47 - $26.42

Q1 2018

Shares 258,151 Value ($000) $6,159 Avg Close $26.44 Range $22.81 - $29.04

Q4 2017

Shares 281,970 Value ($000) $7,391 Avg Close $26.38 Range $23.89 - $29.04

Q3 2017

Shares 247,217 Value ($000) $7,023 Avg Close $24.49 Range $22.26 - $29.24

Q2 2017

Shares 250,140 Value ($000) $6,211 Avg Close $26.24 Range $22.26 - $28.69

Q1 2017

Shares 234,986 Value ($000) $6,124 Avg Close $27.74 Range $23.30 - $33.05

Q4 2016

Shares 243,800 Value ($000) $7,840 Avg Close $27.19 Range $20.43 - $34.13

Q3 2016

Shares 230,021 Value ($000) $5,657 Avg Close $24.06 Range $21.50 - $26.46

Q2 2016

Shares 227,835 Value ($000) $5,217 Avg Close $22.14 Range $19.61 - $25.27

Q1 2016

Shares 232,233 Value ($000) $5,023 Avg Close $18.82 Range $15.79 - $22.57

Q4 2015

Shares 235,321 Value ($000) $5,247 Avg Close $21.48 Range $18.28 - $24.21

Q3 2015

Shares 229,933 Value ($000) $4,438 Avg Close $20.31 Range $18.37 - $22.64

Q2 2015

Shares 229,400 Value ($000) $5,238 Avg Close $23.06 Range $19.10 - $25.82

Q1 2015

Shares 220,833 Value ($000) $4,244 Avg Close $19.65 Range $17.69 - $23.12

Q4 2014

Shares 220,531 Value ($000) $5,078 Avg Close $23.39 Range $20.44 - $26.73

Q3 2014

Shares 218,440 Value ($000) $5,254 Avg Close $28.91 Range $23.00 - $33.65

Q2 2014

Shares 213,904 Value ($000) $7,073 Avg Close $30.73 Range $28.13 - $34.48

Q1 2014

Shares 219,636 Value ($000) $6,616 Avg Close $29.49 Range $25.23 - $34.59

Q4 2013

Shares 229,278 Value ($000) $6,320 Avg Close $27.72 Range $24.44 - $30.62

Q3 2013

Shares 235,730 Value ($000) $6,322 Avg Close $25.86 Range $23.52 - $27.95

Q2 2013

Shares 243,972 Value ($000) $5,731 Avg Close $21.33 Range $18.17 - $23.75

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	198,877	$6,692	$29.70	$25.36 - $34.47
Q3 2025	196,143	$5,490	$25.41	$22.48 - $28.73
Q2 2025	195,594	$5,048	$22.21	$16.55 - $27.54
Q1 2025	174,142	$3,826	$25.04	$20.01 - $29.42
Q4 2024	173,413	$4,647	$23.22	$18.21 - $28.20
Q3 2024	162,646	$3,108	$19.78	$16.52 - $22.59
Q2 2024	136,577	$2,748	$21.72	$17.81 - $24.97
Q1 2024	36,052	$700	$15.93	$13.55 - $19.94
Q4 2023	36,352	$585	$14.30	$12.61 - $16.27
Q3 2023	33,152	$483	$10.78	$9.52 - $15.23
Q2 2023	47,053	$466	$10.23	$9.45 - $11.09
Q1 2023	48,753	$503	$10.89	$9.31 - $12.54
Q4 2022	48,753	$559	$10.80	$9.88 - $12.25
Q3 2022	48,753	$489	$10.16	$9.01 - $12.32
Q2 2022	47,053	$518	$12.63	$10.83 - $14.84
Q1 2022	51,624	$615	$11.42	$9.74 - $13.89
Q4 2021	51,055	$535	$11.19	$9.41 - $12.83
Q3 2021	55,055	$571	$9.70	$8.82 - $10.76
Q2 2021	55,055	$566	$9.89	$8.77 - $11.52
Q1 2021	13,599	$128	$9.42	$7.92 - $10.65
Q4 2020	16,999	$161	$9.94	$8.27 - $12.10
Q3 2020	16,999	$144	$7.49	$6.05 - $10.02
Q2 2020	16,999	$107	$5.74	$3.96 - $8.23
Q1 2020	253,640	$1,131	$9.28	$2.59 - $13.00
Q4 2019	249,144	$3,055	$11.66	$10.44 - $12.91
Q3 2019	242,565	$3,107	$13.56	$10.11 - $16.51
Q2 2019	291,357	$4,807	$16.22	$14.71 - $18.54
Q1 2019	305,551	$5,289	$17.65	$15.90 - $19.02
Q4 2018	301,170	$4,951	$18.94	$15.26 - $20.99
Q3 2018	305,229	$6,440	$21.85	$20.28 - $24.24
Q2 2018	289,404	$6,827	$23.87	$21.47 - $26.42
Q1 2018	258,151	$6,159	$26.44	$22.81 - $29.04
Q4 2017	281,970	$7,391	$26.38	$23.89 - $29.04
Q3 2017	247,217	$7,023	$24.49	$22.26 - $29.24
Q2 2017	250,140	$6,211	$26.24	$22.26 - $28.69
Q1 2017	234,986	$6,124	$27.74	$23.30 - $33.05
Q4 2016	243,800	$7,840	$27.19	$20.43 - $34.13
Q3 2016	230,021	$5,657	$24.06	$21.50 - $26.46
Q2 2016	227,835	$5,217	$22.14	$19.61 - $25.27
Q1 2016	232,233	$5,023	$18.82	$15.79 - $22.57
Q4 2015	235,321	$5,247	$21.48	$18.28 - $24.21
Q3 2015	229,933	$4,438	$20.31	$18.37 - $22.64
Q2 2015	229,400	$5,238	$23.06	$19.10 - $25.82
Q1 2015	220,833	$4,244	$19.65	$17.69 - $23.12
Q4 2014	220,531	$5,078	$23.39	$20.44 - $26.73
Q3 2014	218,440	$5,254	$28.91	$23.00 - $33.65
Q2 2014	213,904	$7,073	$30.73	$28.13 - $34.48
Q1 2014	219,636	$6,616	$29.49	$25.23 - $34.59
Q4 2013	229,278	$6,320	$27.72	$24.44 - $30.62
Q3 2013	235,730	$6,322	$25.86	$23.52 - $27.95
Q2 2013	243,972	$5,731	$21.33	$18.17 - $23.75