What price per share was used in Joseph McCormick’s ONE Gas (OGS) tax-withholding transactions?

The tax-withholding dispositions used a price of $76.00 per share. This price applied to shares delivered to cover the exercise price or associated tax obligations when McCormick’s restricted units converted into common stock.

How is Joseph McCormick’s retirement related to these ONE Gas (OGS) equity transactions?

A footnote explains the transactions occurred in conjunction with McCormick’s retirement on December 9, 2025. Restricted units vested on a pro-rata basis six months after retirement and were settled in ONE Gas common stock with associated dividend equivalents.

ONE Gas insider exercises 6,281 restricted units

ONE Gas, Inc. insider Joseph L. McCormick reported routine equity compensation activity.

Filing Impact

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Filing Sentiment

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Sentiment and the balance of points

Rhea-AI Sentiment reads the wording of the document, how positive or negative its language is on a 1 to 5 scale. The balance of points shown with the takes weighs what the document actually discloses, so the two can disagree, for example when a trial that missed its main goal is described in upbeat language.

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Form Type

Rhea-AI Filing Summary

ONE Gas, Inc. insider Joseph L. McCormick reported routine equity compensation activity. On June 9, 2026, restricted units granted under the Amended and Restated Equity Compensation Plan (2018) vested in connection with his December 9, 2025 retirement and converted into 6,281 shares of common stock.

The filing shows tax-withholding dispositions of 1,459.117 shares at $76 per share to satisfy exercise price or tax liabilities, rather than open-market sales. McCormick continues to hold ONE Gas common stock directly after these transactions.

Insider Trade Summary

6,281 shares exercised/converted

Exercise 9 txns

Insider McCormick Joseph L

Role Insider

Type	Security	Shares	Price	Value
Exercise	Restricted Units 2023	1,223	$76.00	$93K
Exercise	Restricted Units 2024	1,926	$76.00	$146K
Exercise	Restricted Units 2025	3,132	$76.00	$238K
Exercise	Common stock, par value $0.01	1,272.855	$76.00	$97K
Exercise Price or Tax Liability	Common stock, par value $0.01	558.145	$76.00	$42K
Exercise	Common stock, par value $0.01	1,230.156	$76.00	$93K
Exercise Price or Tax Liability	Common stock, par value $0.01	539.422	$76.00	$41K
Exercise	Common stock, par value $0.01	824.509	$76.00	$63K
Exercise Price or Tax Liability	Common stock, par value $0.01	361.55	$76.00	$27K

Holdings After Transaction: Restricted Units 2023 — 0 contracts (Direct); Restricted Units 2024 — 0 contracts (Direct); Restricted Units 2025 — 0 contracts (Direct); Common stock, par value $0.01 — 76,775.423 shares (Direct)

Footnotes (1)

F1. In conjunction with Mr. McCormick's retirement on December 9, 2025, distribution of restricted units awarded under Issuer's Amended and Restated Equity Compensation Plan (2018). The award vested on a pro-rata basis six months following the date of retirement in accordance with the terms of the grant agreement. The award and credited dividend equivalents are payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent.

Key Figures

Restricted units converted: 6,281 units 2025 restricted units: 3,132 units 2024 restricted units: 1,926 units +5 more

8 metrics

Restricted units converted 6,281 units Total Restricted Units 2023, 2024 and 2025 converted on June 9, 2026

2025 restricted units 3,132 units Restricted Units 2025 converted into common stock

2024 restricted units 1,926 units Restricted Units 2024 converted into common stock

2023 restricted units 1,223 units Restricted Units 2023 converted into common stock

Tax-withheld shares 1,459.117 shares Shares delivered for exercise price or tax liabilities

Withholding price $76.00 per share Price used in F-code tax-withholding dispositions

Exercise transactions 3 exercises, 6,281 shares Derivative exercise/conversion activity summarized in transactionSummary

Tax-withholding events 3 transactions, 1,459.117 shares Total F-code tax-withholding dispositions in this Form 4

Key Terms

Restricted Units, tax-withholding disposition, derivative exercise/conversion, Equity Compensation Plan (2018), +1 more

5 terms

Restricted Units financial

"Security titles include Restricted Units 2023, 2024 and 2025."

tax-withholding disposition financial

"transaction_action is listed as tax-withholding disposition for F-code entries."

A tax-withholding disposition is an event or transaction—such as selling or transferring securities, exercising options, or receiving compensation—that triggers a requirement to hold back part of the payment and remit it to tax authorities. It matters to investors because it reduces the cash they receive immediately and can change the timing and amount of taxable income, like a cashier taking a portion of your sale proceeds to pay taxes before you get the rest.

derivative exercise/conversion financial

"transaction_action is derivative exercise/conversion for M-code transactions."

Equity Compensation Plan (2018) financial

"Footnote cites Issuer's Amended and Restated Equity Compensation Plan (2018)."

dividend equivalents financial

"Footnote notes credited dividend equivalents payable in common stock."

Payments tied to employee or contractor equity awards that mirror the cash dividends paid on the company’s stock; they give the holder the same economic benefit as owning the shares without transferring actual shares—often paid in cash or additional award units when the award becomes payable. Investors care because these payments affect a company’s compensation costs, cash flow and potential share dilution, and they signal how management is being rewarded and aligned with shareholders.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider transaction did ONE Gas (OGS) report for Joseph L. McCormick?

ONE Gas reported that Joseph L. McCormick converted vested restricted units into common shares and had some shares withheld for taxes. The activity reflects routine equity compensation settlement rather than open-market purchases or sales.

How many ONE Gas (OGS) restricted units did Joseph McCormick convert?

Joseph McCormick converted 6,281 restricted units into ONE Gas common stock. These units came from awards labeled Restricted Units 2023, 2024 and 2025, all granted under the company’s Amended and Restated Equity Compensation Plan (2018).

Were any ONE Gas (OGS) shares sold on the open market in this Form 4?

The Form 4 shows no open-market sales. It reports tax-withholding dispositions totaling 1,459.117 shares at $76 per share, used to satisfy exercise price or related tax liabilities tied to vested restricted units.

How many tax-withholding transactions did ONE Gas (OGS) report for Joseph McCormick?

ONE Gas reported three tax-withholding transactions for Joseph McCormick. Together, these F-code entries covered 1,459.117 shares used to satisfy exercise price or tax liabilities tied to the vesting and conversion of restricted units.

AI-generated analysis. How Rhea-AI works. Not financial advice.

Form 4 Insider Transactions: What Each Field Means →

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Accepted by SEC EDGAR 06/10/2026 - 04:15 PM EDT

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

McCormick Joseph L

(Last)

(First)

(Middle)

15 E. 5TH STREET

(Street)

TULSA

OKLAHOMA

74103

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Issuer Name and Ticker or Trading Symbol
ONE Gas, Inc. [ OGS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

Director		10% Owner
Officer (give title below)	X	Other (specify below)
		See Remarks

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
06/09/2026

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common stock, par value $0.01	06/09/2026		M		1,272.855⁽¹⁾	A	$76⁽¹⁾	76,179.875	D
Common stock, par value $0.01	06/09/2026		F		558.145⁽¹⁾	D	$76⁽¹⁾	75,621.73	D
Common stock, par value $0.01	06/09/2026		M		1,230.156⁽¹⁾	A	$76⁽¹⁾	76,851.886	D
Common stock, par value $0.01	06/09/2026		F		539.422⁽¹⁾	D	$76⁽¹⁾	76,312.464	D
Common stock, par value $0.01	06/09/2026		M		824.509⁽¹⁾	A	$76⁽¹⁾	77,136.973	D
Common stock, par value $0.01	06/09/2026		F		361.55⁽¹⁾	D	$76⁽¹⁾	76,775.423	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Units 2023	⁽¹⁾	06/09/2026		M			1,223	⁽¹⁾	⁽¹⁾	Common stock, par value $0.01	1,223	$76⁽¹⁾	0	D
Restricted Units 2024	⁽¹⁾	06/09/2026		M			1,926	⁽¹⁾	⁽¹⁾	Common stock, par value $0.01	1,926	$76⁽¹⁾	0	D
Restricted Units 2025	⁽¹⁾	06/09/2026		M			3,132	⁽¹⁾	⁽¹⁾	Common stock, par value $0.01	3,132	$76⁽¹⁾	0	D

Explanation of Responses:

1. In conjunction with Mr. McCormick's retirement on December 9, 2025, distribution of restricted units awarded under Issuer's Amended and Restated Equity Compensation Plan (2018). The award vested on a pro-rata basis six months following the date of retirement in accordance with the terms of the grant agreement. The award and credited dividend equivalents are payable one share of the Issuer's common stock for each vested restricted unit and dividend equivalent.

Remarks:

Former Senior Vice President, General Counsel and Assistant Secretary

	/s/ Brian K. Shore, Attorney-in-Fact for Joseph L. McCormick,	06/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)

Source: View Original Filing on SEC EDGAR