Brian F. Brumfield

CIK: 0001951536

Transaction Breakdown

Open Market Buys (P)0 (0.0%)

High conviction signal

Open Market Sales (S)1 (9.1%)

Position reduction

Option Exercises (M)3 (27.3%)

Derivative conversions

Awards (A)4 (36.4%)

Compensation grants

Other (G, F, J, C, D, …)3 (27.3%)

Gifts, tax withholding, conversions, dispositions to the issuer and other codes

Companies & Roles (1)

OGS

ONE Gas, Inc.

Officer

Discretionary Trading P&L

Holdings

Transaction History (11 total)

OGS
ONE Gas, Inc.
Feb 24, 2026
Sale(S)
Direct
1K shares at avg. $86.44$86K
OGS
ONE Gas, Inc.
Feb 16, 2026
Award(A)
Restricted Units 2026
Direct
959 shares at avg. $86.04-
OGS
ONE Gas, Inc.
Feb 16, 2026
Exercise(M)
Direct
1.3K shares at avg. $86.04$110K
OGS
ONE Gas, Inc.
Feb 16, 2026
Tax Payment(F)
Direct
438 shares at avg. $86.04$38K
OGS
ONE Gas, Inc.
Feb 16, 2026
Award(A)
Performance Units 2026
Direct
959 shares at avg. $86.04-
OGS
ONE Gas, Inc.
Feb 14, 2026
Exercise(M)
Direct
563 shares at avg. $86.04$48K
OGS
ONE Gas, Inc.
Feb 14, 2026
Tax Payment(F)
Direct
187 shares at avg. $86.04$16K
OGS
ONE Gas, Inc.
Feb 18, 2025
Award(A)
Performance Units 2025
Direct
1.2K shares at avg. $71.53-
OGS
ONE Gas, Inc.
Feb 18, 2025
Tax Payment(F)
Direct
902 shares at avg. $71.53$64K
OGS
ONE Gas, Inc.
Feb 18, 2025
Award(A)
Restricted Units 2025
Direct
1.2K shares at avg. $71.53-
OGS
ONE Gas, Inc.
Feb 18, 2025
Exercise(M)
Direct
1.9K shares at avg. $71.53$136K

		Type	Shares	Price		Ownership
Feb 24, 2026	OGS ONE Gas, Inc.	Sale(S)	1,000	$86.44	$86,440	Direct
Feb 16, 2026	OGS ONE Gas, Inc.	Award(A) Restricted Units 2026	959	$86.04	-	Direct
Feb 16, 2026	OGS ONE Gas, Inc.	Exercise(M)	1,284	$86.04	$110,454	Direct
Feb 16, 2026	OGS ONE Gas, Inc.	Tax Payment(F)	438	$86.04	$37,720	Direct
Feb 16, 2026	OGS ONE Gas, Inc.	Award(A) Performance Units 2026	959	$86.04	-	Direct
Feb 14, 2026	OGS ONE Gas, Inc.	Exercise(M)	563	$86.04	$48,413	Direct
Feb 14, 2026	OGS ONE Gas, Inc.	Tax Payment(F)	187	$86.04	$16,082	Direct
Feb 18, 2025	OGS ONE Gas, Inc.	Award(A) Performance Units 2025	1,153	$71.53	-	Direct
Feb 18, 2025	OGS ONE Gas, Inc.	Tax Payment(F)	902	$71.53	$64,500	Direct
Feb 18, 2025	OGS ONE Gas, Inc.	Award(A) Restricted Units 2025	1,153	$71.53	-	Direct
Feb 18, 2025	OGS ONE Gas, Inc.	Exercise(M)	1,902	$71.53	$136,075	Direct

1-11 of 11 transactions

About Brumfield Brian F.

Brumfield Brian F. (SEC CIK 0001951536) files insider reports with the SEC as Officer of ONE Gas, Inc. (OGS).

Signal8 holds 3 ownership filings by Brumfield Brian F., all Form 4s, filed between Feb 20, 2025 and Feb 25, 2026. Those filings report 11 transactions, from Feb 18, 2025 to Feb 24, 2026. Signal8's Form 4 history starts in Sep 2024.

The business address on Brumfield Brian F.'s filings is in TULSA, OK.

Recent filings by Brumfield Brian F.

Feb 24, 2026: Open-market sale of OGS shares (Form 4, code S).
Feb 16, 2026: Grant or award of OGS derivative securities (Form 4, code A).
Feb 16, 2026: Option exercise of OGS shares (Form 4, code M).
Feb 16, 2026: Tax withholding of OGS shares (Form 4, code F).
Feb 16, 2026: Grant or award of OGS derivative securities (Form 4, code A).

Other insiders filing for ONE Gas, Inc. (OGS)

How to read Form 4 transaction codes