Deferred stock grant adds to ONE Gas (NYSE: OGS) director holdings

Rhea-AI Filing Summary

Hersman Deborah reported acquisition or exercise transactions in this Form 4 filing.

ONE Gas director Deborah Hersman received a grant of 1,700 shares of deferred stock valued at $82.35 per share. Her deferred stock balance increased to 7,533 shares, which are convertible into ONE Gas common stock on a 1-for-1 basis under the company’s deferred compensation plan for non-employee directors.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hersman Deborah

Role null

Type	Security	Shares	Price	Value
Grant/Award	Deferred Stock	1,700	$82.35	$140K

Holdings After Transaction: Deferred Stock — 7,533 shares (Direct, null)

Footnotes (1)

1. Shares of deferred stock are convertible into ONE Gas' common stock on a 1-for-1 ratio. Annual stock retainer elected to be deferred under ONE Gas' Deferred Compensation Plan for Non-Employee Directors. Deferred stock is accrued under ONE Gas' Deferred Compensation Plan for Non-Employee Directors (the "Plan") and is settled in shares of ONE Gas common stock at the distribution date described in the Plan.

Key Figures

Deferred stock grant: 1,700 shares Grant valuation price: $82.35 per share Deferred stock holdings after grant: 7,533 shares +1 more

4 metrics

Deferred stock grant 1,700 shares Grant of deferred stock on 2026-05-21

Grant valuation price $82.35 per share Value used for deferred stock grant

Deferred stock holdings after grant 7,533 shares Total deferred stock following transaction

Conversion ratio 1-for-1 Deferred stock to ONE Gas common stock

Key Terms

Deferred Stock, Deferred Compensation Plan for Non-Employee Directors, distribution date

3 terms

Deferred Stock financial

"Shares of deferred stock are convertible into ONE Gas' common stock on a 1-for-1 ratio."

Deferred Compensation Plan for Non-Employee Directors financial

"Annual stock retainer elected to be deferred under ONE Gas' Deferred Compensation Plan for Non-Employee Directors."

distribution date financial

"settled in shares of ONE Gas common stock at the distribution date described in the Plan."

The distribution date is the day a company, fund, or trust actually pays out cash or other assets to its shareholders or unitholders. Think of it as the payday when owners receive dividends, interest, or capital gains distributions; it matters to investors because it determines when you get the money, can affect the security’s price that day, and has tax and cash-flow consequences.

Form 4 Insider Transactions: What Each Field Means →

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^*

Hersman Deborah

(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)

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

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/21/2026

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)
			Code	V	Amount	(A) or (D)	Price

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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Deferred Stock	(1)	05/21/2026		A(2)		1,700		(3)	(3)	Common stock, par value $0.01	1,700	$82.35	7,533	D

Explanation of Responses:

1. Shares of deferred stock are convertible into ONE Gas' common stock on a 1-for-1 ratio.

2. Annual stock retainer elected to be deferred under ONE Gas' Deferred Compensation Plan for Non-Employee Directors.

3. Deferred stock is accrued under ONE Gas' Deferred Compensation Plan for Non-Employee Directors (the "Plan") and is settled in shares of ONE Gas common stock at the distribution date described in the Plan.

	/s/ Brian K. Shore, Attorney-in-Fact for Deborah A.P. Hersman	05/26/2026
	** 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)

FAQ

What insider transaction did ONE Gas (OGS) report for director Deborah Hersman?

ONE Gas reported that director Deborah Hersman received 1,700 shares of deferred stock as a grant. This award increased her deferred stock holdings to 7,533 shares, all linked to ONE Gas common stock on a 1-for-1 conversion basis.

Was the ONE Gas (OGS) Form 4 transaction a stock purchase or a compensation grant?

The Form 4 shows a compensation-related grant, not an open-market stock purchase. Deborah Hersman received 1,700 deferred stock units as an annual stock retainer elected to be deferred under ONE Gas’ Deferred Compensation Plan for Non-Employee Directors.

At what price was the deferred stock grant to the ONE Gas (OGS) director valued?

The 1,700 shares of deferred stock granted to director Deborah Hersman were valued at $82.35 per share. This valuation applies to the deferred stock units that will later be settled in ONE Gas common shares according to the plan’s distribution terms.

How many ONE Gas (OGS) deferred stock units does the director hold after this grant?

After receiving 1,700 additional deferred stock units, director Deborah Hersman holds a total of 7,533 deferred stock shares. These units are designed to be settled in ONE Gas common stock on a 1-for-1 basis at the distribution date defined in the plan.

How are ONE Gas (OGS) deferred stock units for non-employee directors settled?

Deferred stock units for non-employee directors are accrued under ONE Gas’ Deferred Compensation Plan. They are settled in shares of ONE Gas common stock on a 1-for-1 basis at the distribution date described in the plan’s terms for non-employee directors.

What is the source of the deferred stock grant reported in ONE Gas (OGS) Form 4?

The deferred stock grant comes from the annual stock retainer for non-employee directors. Deborah Hersman elected to defer this retainer under ONE Gas’ Deferred Compensation Plan, receiving 1,700 deferred stock units tied to future settlement in common shares.