Welcome to our dedicated page for ONE Gas SEC filings (Ticker: OGS), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
ONE Gas filings document the regulatory, financial and governance record of a regulated natural gas utility incorporated in Oklahoma with common stock traded under OGS. Recent 8-K reports furnish results of operations, Regulation FD materials, financial guidance, dividend declarations, earnings-call announcements and investor-conference disclosures.
The company's SEC record also includes definitive proxy materials for shareholder voting and board governance, annual-meeting record-date disclosures, executive officer changes, and capital-structure filings covering common stock and equity distribution arrangements. These filings tie operating performance to regulated utility topics such as rates, capital investments, safety and customer service.
ONE Gas, Inc. proposes to offer up to an aggregate offering price of $225,000,000 of its common stock under an equity distribution agreement dated February 23, 2026.
The shares may be sold "at-the-market" through the named Managers or via forward sale agreements with affiliated Forward Purchasers and Forward Sellers. Managers will receive a commission of up to 2% of the gross sales price per share. Forward sale mechanics allow physical settlement (company expects to physically settle), or, subject to contract terms, cash or net share settlement; cash/net share settlement can result in payments or delivery obligations depending on unwind pricing. The prospectus supplement discloses a declared dividend of $0.68 per share (record date February 20, 2026, payable March 6, 2026) and reports a last sale price of $85.52 per share on February 20, 2026.
ONE Gas, Inc. filed a shelf registration on Form S-3 to permit the issuance from time to time, after the effective date of the registration statement, of debt securities, common stock, stock purchase contracts, stock purchase contract units, preferred stock, depositary shares and warrants.
The prospectus dated February 23, 2026 states that offerings will be made in one or more issuances with specific terms provided in prospectus supplements. The company reported 62,692,574 shares of common stock outstanding as of February 18, 2026 and no preferred stock outstanding as of that date.
ONE Gas, Inc. files a registration to offer 1,144,038 shares of Common Stock in connection with its Direct Stock Purchase and Dividend Reinvestment Plan.
The prospectus describes plan mechanics: optional cash investments ($250 initial for new investors, $25 recurring), mandatory minimum 10% dividend reinvestment for participants, purchase pricing based on the NYSE and NYSE Texas average of high and low on Purchase Dates, and that shares may be newly issued, treasury shares or acquired in the open market.
ONE Gas, Inc. announced it will hold its 2026 Annual Meeting of Shareholders as a virtual-only event on Thursday, May 21, 2026, at 10 a.m. Eastern (9 a.m. Central). Shareholders of record as of March 23, 2026, will be entitled to receive notice and vote.
The meeting will be accessible online via a dedicated virtual meeting portal and will also be audio webcast on the ONE Gas website. ONE Gas is a fully regulated natural gas utility serving more than 2.3 million customers across Kansas, Oklahoma and Texas through its Kansas Gas Service, Oklahoma Natural Gas and Texas Gas Service divisions.
ONE Gas executive William Kent Shortridge reported multiple equity award and vesting transactions. On February 14, 2026, performance and restricted units granted in 2023 under the Amended and Restated Equity Compensation Plan (2018) vested, with 1,956 performance units vesting at 76% of the original award based on total shareholder return versus a peer group, and 489 restricted units converting into common stock with associated dividend equivalents paid in shares.
These derivative awards were exercised into common stock, increasing his directly held common shares, while 815.716 and 238.932 shares of common stock were disposed to cover tax liabilities through share withholding, not open-market sales. On February 16, 2026, Shortridge also received new grants of 2,092 performance units and 1,395 restricted units that are scheduled to vest on February 17, 2029, subject to plan terms and, for the performance units, future relative total shareholder return over the period from January 1, 2026, through December 31, 2029. Following these transactions, he held 11,300.084 shares of common stock directly and 1,275 shares indirectly through a 401(k) plan.
ONE Gas executive Joseph L. McCormick reported equity award activity tied to his retirement. On February 16, 2026, he exercised 4,891 Performance Units 2023 at $86.04 per unit, which converted into 3,803.8 shares of common stock held directly.
To cover tax obligations from this vesting, 1,608.29 common shares were disposed of through a tax-withholding transaction at $86.04 per share, leaving 74,907.02 directly owned shares. He also reports 3,697 indirectly owned shares held by a 401(k) plan.
The Performance Units were granted under the company’s Amended and Restated Equity Compensation Plan (2018). Following McCormick’s December 9, 2025 retirement, the award vested on a prorated basis, with 76% of units vesting based on total shareholder return versus a selected peer group, as certified by the Executive Compensation Committee on February 16, 2026.
ONE Gas, Inc. officer Christopher P. Sighinolfi reported multiple equity compensation transactions involving performance units, restricted units, common stock, and deferred stock units. Previously granted 2023 performance units vested based on relative total shareholder return, leading to 1,361.820 shares of common stock being converted into an equal number of deferred stock units, with 61.527 shares withheld to cover taxes.
He also exercised 2023 restricted units into common stock and received new 2026 performance units and restricted units, totaling 5,579 and 3,719 units respectively, all awarded under the company’s Amended and Restated Equity Compensation Plan (2018). The new 2026 awards are scheduled to vest on February 17, 2029 under their respective award agreements. In addition, he reported 929.793 shares of common stock held indirectly through a 401(k) plan.
ONE Gas, Inc. insider Angela Kouplen reported multiple equity award transactions involving common stock and units. On February 14, 2026 and February 16, 2026, she exercised previously granted 2023 performance and restricted units into common stock at a reference price of $86.04 per share, with some shares surrendered to cover tax obligations through tax-withholding dispositions.
She also received new equity awards on February 16, 2026, including Performance Units 2026 and Restricted Units 2026. According to the award terms, the 2026 performance units will vest on February 17, 2029 for 0–200% of the granted units based on ONE Gas’ total shareholder return versus a selected peer group from January 1, 2026 through December 31, 2029, while the 2026 restricted units vest on February 17, 2029 under a restricted unit award agreement.
ONE Gas, Inc. executive Brian F. Brumfield reported equity award vesting and new grants, along with related tax-withholding share dispositions. On February 14, 2026, 2023 performance and restricted units vested under the company’s 2018 equity compensation plan and were converted into shares of common stock.
Those vestings and conversions resulted in common stock acquisitions of 562.680 and 1,283.757 shares, with 186.914 and 438.398 shares, respectively, withheld as tax-withholding dispositions at a price of $86.04 per share. Following these transactions, Brumfield held 2,870.446 shares of common stock directly and 1,434 shares indirectly through a 401(k) plan.
On February 16, 2026, he also received new awards of 959 performance units and 959 restricted units scheduled to vest on February 17, 2029, subject to total shareholder return performance conditions for the performance units and time-based vesting for the restricted units.
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.