NATURAL GAS SERVICES GROUP

Ticker: NGS CUSIP: 63886Q109 Class: Common Stock

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM's Holding History (CIK: 0001081019)

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

Q4 2025
Shares 627 Value ($000) $21 Avg Close $29.70 Range $25.36 - $34.47
Q3 2025
Shares 778 Value ($000) $22 Avg Close $25.41 Range $22.48 - $28.73
Q2 2025
Shares 777 Value ($000) $20 Avg Close $22.21 Range $16.55 - $27.54
Q1 2025
Shares 777 Value ($000) $17 Avg Close $25.04 Range $20.01 - $29.42
Q4 2024
Shares 777 Value ($000) $21 Avg Close $23.22 Range $18.21 - $28.20
Q3 2024
Shares 777 Value ($000) $15 Avg Close $19.78 Range $16.52 - $22.59
Q2 2024
Shares 777 Value ($000) $16 Avg Close $21.72 Range $17.81 - $24.97
Q1 2020
Shares 19,778 Value ($000) $88 Avg Close $9.28 Range $2.59 - $13.00
Q4 2019
Shares 19,550 Value ($000) $240 Avg Close $11.66 Range $10.44 - $12.91
Q3 2019
Shares 19,550 Value ($000) $250 Avg Close $13.56 Range $10.11 - $16.51
Q2 2019
Shares 19,550 Value ($000) $323 Avg Close $16.22 Range $14.71 - $18.54
Q1 2019
Shares 19,550 Value ($000) $338 Avg Close $17.65 Range $15.90 - $19.02
Q4 2018
Shares 19,550 Value ($000) $321 Avg Close $18.94 Range $15.26 - $20.99
Q3 2018
Shares 19,102 Value ($000) $403 Avg Close $21.85 Range $20.28 - $24.24
Q2 2018
Shares 19,102 Value ($000) $451 Avg Close $23.87 Range $21.47 - $26.42
Q1 2018
Shares 18,888 Value ($000) $450 Avg Close $26.44 Range $22.81 - $29.04
Q4 2017
Shares 19,881 Value ($000) $521 Avg Close $26.38 Range $23.89 - $29.04
Q3 2017
Shares 19,881 Value ($000) $565 Avg Close $24.49 Range $22.26 - $29.24
Q2 2017
Shares 21,959 Value ($000) $546 Avg Close $26.24 Range $22.26 - $28.69
Q1 2017
Shares 24,759 Value ($000) $645 Avg Close $27.74 Range $23.30 - $33.05
Q4 2016
Shares 25,459 Value ($000) $819 Avg Close $27.19 Range $20.43 - $34.13
Q3 2016
Shares 26,159 Value ($000) $643 Avg Close $24.06 Range $21.50 - $26.46
Q2 2016
Shares 25,859 Value ($000) $592 Avg Close $22.14 Range $19.61 - $25.27
Q1 2016
Shares 26,968 Value ($000) $583 Avg Close $18.82 Range $15.79 - $22.57
Q4 2015
Shares 23,641 Value ($000) $527 Avg Close $21.48 Range $18.28 - $24.21
Q3 2015
Shares 23,157 Value ($000) $447 Avg Close $20.31 Range $18.37 - $22.64
Q2 2015
Shares 23,257 Value ($000) $531 Avg Close $23.06 Range $19.10 - $25.82
Q1 2015
Shares 22,621 Value ($000) $435 Avg Close $19.65 Range $17.69 - $23.12
Q4 2014
Shares 23,121 Value ($000) $533 Avg Close $23.39 Range $20.44 - $26.73
Q3 2014
Shares 23,023 Value ($000) $554 Avg Close $28.91 Range $23.00 - $33.65
Q2 2014
Shares 22,792 Value ($000) $754 Avg Close $30.73 Range $28.13 - $34.48
Q1 2014
Shares 22,392 Value ($000) $675 Avg Close $29.49 Range $25.23 - $34.59
Q4 2013
Shares 22,392 Value ($000) $617 Avg Close $27.72 Range $24.44 - $30.62
Q3 2013
Shares 22,192 Value ($000) $595 Avg Close $25.86 Range $23.52 - $27.95
Q2 2013
Shares 21,550 Value ($000) $506 Avg Close $21.33 Range $18.17 - $23.75
Q1 2013
Shares 21,380 Value ($000) $412 Avg Close $17.86 Range $16.33 - $19.24