ONE Gas awards performance and restricted units to executive

Gregory Regina reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Gregory Regina reported acquisition or exercise transactions in this Form 4 filing.

ONE Gas, Inc. reported that officer Gregory Regina received equity awards in the form of performance units and restricted units tied to the company’s stock. These are compensation grants rather than open‑market share purchases or sales.

Regina was granted 3,835 Performance Units 2026 and 2,557 Restricted Units 2026 on February 16, 2026, at a reference price of $86.04 per unit. The performance units vest on February 17, 2029 for between 0% and 200% of the granted amount, depending on ONE Gas’s total shareholder return versus a selected peer group from January 1, 2026 through December 31, 2029. The restricted units also vest on February 17, 2029 under their award agreement.

Insider Trade Summary

Grant/Award: 6,392 shares

Grant/Award 2 txns

Insider Gregory Regina

Role See Remarks

Type	Security	Shares	Price	Value
Grant/Award	Performance Units 2026	3,835	$86.04	$330K
Grant/Award	Restricted Units 2026	2,557	$86.04	$220K

Holdings After Transaction: Performance Units 2026 — 3,835 contracts (Direct); Restricted Units 2026 — 2,557 contracts (Direct)

Footnotes (2)

1. F1. Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 17, 2029, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2026, through December 31, 2029, in accordance with the terms of the Performance Unit Award Agreement.
2. F2. Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 17, 2029, in accordance with the terms of the Restricted Unit Award Agreement.

FAQ

What insider transaction did ONE Gas (OGS) report for Gregory Regina?

ONE Gas reported that officer Gregory Regina received equity compensation grants, not open-market trades. He was awarded 3,835 performance units and 2,557 restricted units, both designated as 2026 units, under the company’s Amended and Restated Equity Compensation Plan (2018).

How many performance and restricted units did Gregory Regina receive at ONE Gas (OGS)?

Gregory Regina received 3,835 Performance Units 2026 and 2,557 Restricted Units 2026. These awards increase his equity-based compensation exposure, aligning part of his pay with ONE Gas’s future stock performance and long-term value creation for shareholders.

When do Gregory Regina’s ONE Gas (OGS) equity awards vest?

Both the performance units and restricted units granted to Gregory Regina are scheduled to vest on February 17, 2029. This long vesting period is designed to encourage multi‑year retention and align his incentives with the company’s longer-term performance and shareholder returns.

What performance conditions apply to the ONE Gas (OGS) performance units granted to Gregory Regina?

The performance units will vest for 0% to 200% of the granted 3,835 units. The final payout depends on ONE Gas’s total shareholder return versus a selected peer group from January 1, 2026 through December 31, 2029, as defined in the award agreement.

Are Gregory Regina’s ONE Gas (OGS) equity awards open-market purchases or sales?

The reported transactions are equity compensation grants, not market trades. They are coded as awards (transaction code A) of performance units and restricted units under ONE Gas’s 2018 equity compensation plan, rather than buys or sells of existing shares on the open market.

What is the reference price for Gregory Regina’s ONE Gas (OGS) equity awards?

Both the performance units and restricted units were granted at a reference price of $86.04 per unit. This price generally reflects the grant-date value used for accounting and compensation purposes, rather than cash paid or received in an open-market stock transaction.

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Accepted by SEC EDGAR 02/19/2026 - 04:15 PM Learn about SEC filing dates

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^*

Gregory Regina

(Last) (First) (Middle)

15 E. 5TH STREET

(Street)

TULSA OK 74103

(City) (State) (Zip)

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
X	Officer (give title below)		Other (specify below)
	See Remarks

3. Date of Earliest Transaction (Month/Day/Year)
02/16/2026

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

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

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

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
Performance Units 2026	(1)	02/16/2026		A		3,835		(1)	(1)	Common stock, par value $0.01	3,835	$86.04(1)	3,835	D
Restricted Units 2026	(2)	02/16/2026		A		2,557		(2)	(2)	Common stock, par value $0.01	2,557	$86.04(2)	2,557	D

Explanation of Responses:

1. Performance units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award will vest on February 17, 2029, for a percentage (0% to 200%) of the performance units awarded based upon the Issuer's total shareholder return compared to total stockholder return of a selected peer group over the performance period from January 1, 2026, through December 31, 2029, in accordance with the terms of the Performance Unit Award Agreement.

2. Restricted units awarded under the Issuer's Amended and Restated Equity Compensation Plan (2018). The award vests on February 17, 2029, in accordance with the terms of the Restricted Unit Award Agreement.

Remarks:

Senior Vice President, General Counsel and Assistant Secretary

	/s/ Brian K. Shore, Attorney-in-Fact for Regina L. Gregory	02/19/2026
	** 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.
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