ONE GAS INC

Ticker: OGS CUSIP: 68235P108 Class: COM

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q4 2025

Shares 3,199,956 Value ($000) $247,197 Avg Close $80.38 Range $76.52 - $83.96

Q3 2025

Shares 4,191,095 Value ($000) $339,227 Avg Close $74.90 Range $71.27 - $81.48

Q2 2025

Shares 4,334,217 Value ($000) $311,457 Avg Close $75.12 Range $69.75 - $82.25

Q1 2025

Shares 3,397,926 Value ($000) $256,849 Avg Close $72.08 Range $66.38 - $77.00

Q4 2024

Shares 3,364,716 Value ($000) $233,007 Avg Close $72.98 Range $66.92 - $78.89

Q3 2024

Shares 3,470,618 Value ($000) $258,283 Avg Close $68.78 Range $61.54 - $74.99

Q2 2024

Shares 2,825,052 Value ($000) $180,380 Avg Close $62.72 Range $58.31 - $66.52

Q1 2024

Shares 2,735,332 Value ($000) $176,511 Avg Close $61.35 Range $57.74 - $65.75

Q4 2023

Shares 1,555,206 Value ($000) $99,098 Avg Close $63.18 Range $55.50 - $70.66

Q3 2023

Shares 1,502,466 Value ($000) $102,588 Avg Close $75.57 Range $67.94 - $82.06

Q2 2023

Shares 1,458,788 Value ($000) $112,050 Avg Close $79.91 Range $75.88 - $83.89

Q1 2023

Shares 1,002,236 Value ($000) $79,407 Avg Close $79.26 Range $73.46 - $84.26

Q4 2022

Shares 618,543 Value ($000) $46,836 Avg Close $77.17 Range $68.86 - $89.01

Q3 2022

Shares 520,105 Value ($000) $36,610 Avg Close $80.56 Range $70.22 - $85.81

Q2 2022

Shares 395,680 Value ($000) $32,125 Avg Close $85.62 Range $76.73 - $92.26

Q1 2022

Shares 379,128 Value ($000) $33,454 Avg Close $80.54 Range $73.37 - $89.63

Q1 2018

Shares 10,232 Value ($000) $675 Avg Close $67.29 Range $62.20 - $73.58

Q4 2017

Shares 23,745 Value ($000) $1,739 Avg Close $75.81 Range $70.66 - $79.51

Q3 2017

Shares 23,745 Value ($000) $1,749 Avg Close $73.35 Range $68.45 - $76.06

Q2 2017

Shares 20,369 Value ($000) $1,422 Avg Close $69.75 Range $67.27 - $72.97

Q1 2017

Shares 48,323 Value ($000) $3,266 Avg Close $64.84 Range $61.42 - $68.79

Q4 2016

Shares 48,565 Value ($000) $3,106 Avg Close $60.73 Range $55.98 - $64.94

Q3 2016

Shares 70,949 Value ($000) $4,387 Avg Close $63.44 Range $59.28 - $67.35

Q2 2016

Shares 72,251 Value ($000) $4,812 Avg Close $60.28 Range $56.51 - $66.60

Q1 2016

Shares 29,442 Value ($000) $1,799 Avg Close $56.41 Range $48.01 - $62.25

Q4 2015

Shares 35,109 Value ($000) $1,762 Avg Close $48.28 Range $44.68 - $51.79

Q3 2015

Shares 14,429 Value ($000) $655 Avg Close $43.80 Range $41.23 - $45.58

Q2 2015

Shares 14,429 Value ($000) $614 Avg Close $42.67 Range $40.83 - $44.75

Q1 2015

Shares 12,198 Value ($000) $527 Avg Close $42.74 Range $38.88 - $46.50

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,199,956	$247,197	$80.38	$76.52 - $83.96
Q3 2025	4,191,095	$339,227	$74.90	$71.27 - $81.48
Q2 2025	4,334,217	$311,457	$75.12	$69.75 - $82.25
Q1 2025	3,397,926	$256,849	$72.08	$66.38 - $77.00
Q4 2024	3,364,716	$233,007	$72.98	$66.92 - $78.89
Q3 2024	3,470,618	$258,283	$68.78	$61.54 - $74.99
Q2 2024	2,825,052	$180,380	$62.72	$58.31 - $66.52
Q1 2024	2,735,332	$176,511	$61.35	$57.74 - $65.75
Q4 2023	1,555,206	$99,098	$63.18	$55.50 - $70.66
Q3 2023	1,502,466	$102,588	$75.57	$67.94 - $82.06
Q2 2023	1,458,788	$112,050	$79.91	$75.88 - $83.89
Q1 2023	1,002,236	$79,407	$79.26	$73.46 - $84.26
Q4 2022	618,543	$46,836	$77.17	$68.86 - $89.01
Q3 2022	520,105	$36,610	$80.56	$70.22 - $85.81
Q2 2022	395,680	$32,125	$85.62	$76.73 - $92.26
Q1 2022	379,128	$33,454	$80.54	$73.37 - $89.63
Q1 2018	10,232	$675	$67.29	$62.20 - $73.58
Q4 2017	23,745	$1,739	$75.81	$70.66 - $79.51
Q3 2017	23,745	$1,749	$73.35	$68.45 - $76.06
Q2 2017	20,369	$1,422	$69.75	$67.27 - $72.97
Q1 2017	48,323	$3,266	$64.84	$61.42 - $68.79
Q4 2016	48,565	$3,106	$60.73	$55.98 - $64.94
Q3 2016	70,949	$4,387	$63.44	$59.28 - $67.35
Q2 2016	72,251	$4,812	$60.28	$56.51 - $66.60
Q1 2016	29,442	$1,799	$56.41	$48.01 - $62.25
Q4 2015	35,109	$1,762	$48.28	$44.68 - $51.79
Q3 2015	14,429	$655	$43.80	$41.23 - $45.58
Q2 2015	14,429	$614	$42.67	$40.83 - $44.75
Q1 2015	12,198	$527	$42.74	$38.88 - $46.50