Oneok

Current directors and officers who also hold a role at another S&P 500 company.

• Wayne Thomas SmithAPD · Director

Latest Schedule 13D/13G filing per holder. Holders that reported falling below 5% are not shown. Index funds usually report once a year.

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Open-market purchases and sales reported on Form 4. Grants, option exercises and tax withholding are excluded.

Every 8-K with Item 5.02 (departure, election or appointment of directors and officers). The text is the first paragraph of the item.

1. Mar 25, 2026

   On March 20, 2026, Pattye L. Moore informed the Board of Directors (the “Board”) of ONEOK, Inc. (“ONEOK”) of her decision to retire from the Board at the end of her current term and not stand for re-election as a director at ONEOK’s 2026 annual meeting of shareholders (the “Annual Meeting”), which is scheduled for May 20, 2026. Ms. Moore’s current term as a director is scheduled to expire on the date of the Annual Meeting. Ms. Moore’s decision to retire and not stand for re-election is not a result of any disagreement with ONEOK, including on any matter relating to its operation, policies or practices. ONEOK also announced on March 25, 2026, that Gerald B.

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2. Jan 26, 2026

   New Directors On January 21, 2026, the Board of Directors (the ONEOK Board) of ONEOK, Inc. (ONEOK) elected Mark A. McCollum and Precious Williams Owodunni as directors to the ONEOK Board, effective January 23, 2026. In connection with the election of Mr. McCollum and Ms. Owodunni, the ONEOK Board increased the size of the ONEOK Board from 10 directors to 12 directors. Mr. McCollum, 66, retired as president and chief executive officer of Weatherford International plc in June 2020, having led the company since April 2017. Before joining Weatherford, he served as executive vice president and chief financial officer of Halliburton Company until March 2017. Prior to his tenure at Halliburton, which began in 2003, Mr. McCollum held senior leadership positions at Tenneco Inc. from 1995 through 2003, including serving as Tenneco’s chief financial officer.

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3. May 22, 2025

   ONEOK, Inc. 2025 Equity Incentive Plan At the Annual Meeting of Shareholders (the “Annual Meeting”) of ONEOK, Inc. (the “Company”) held on May 21, 2025 (the “Effective Date”), the Company’s shareholders approved the ONEOK, Inc. 2025 Equity Incentive Plan (the “2025 EIP”), which was approved by the Company’s Board of Directors (the “Board”) on February 19, 2025, subject to shareholder approval. Subject to adjustment as set forth in the 2025 EIP, the aggregate number of shares of common stock, $0.01 par value (the “Common Stock”), authorized for issuance or delivery pursuant to the 2025 EIP will not exceed (i) 16,870,000 shares of Common Stock, plus (ii) 2,278,971 shares of Common Stock, which is the number of shares of Common Stock reserved for issuance under the ONEOK, Inc.

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4. Feb 5, 2025

   On February 3, 2025, Charles M. Kelley, Senior Vice President, Commercial Natural Gas Pipelines and a named executive officer in our most recent proxy statement, provided notice of his intention to retire effective March 31, 2025. 2

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5. Jan 7, 2025

   On January 6, 2025, the Board of Directors of ONEOK, Inc. (“ONEOK”) appointed Randy Lentz, 60, as Executive Vice President and Chief Operating Officer of ONEOK, effective as of January 6, 2025. Mr. Lentz has served as the Chief Executive Officer of Medallion Midstream, LLC (“Medallion”) since 2010 and has over 35 years of experience in the midstream business in a variety of operational, commercial and leadership roles. Medallion is a wholly owned subsidiary of ONEOK since ONEOK acquired Medallion in October 2024. Mr. Lentz will report directly to Pierce H. Norton II, ONEOK’s President and Chief Executive Officer. Mr. Lentz’s existing employment agreement with Medallion Operating Company, LLC will be terminated, and Mr.

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6. Feb 22, 2024

   In November 2023, our Board of Directors (the “Board”) approved the following modifications to the financial measures of our Annual Officer Incentive Plan (the “Plan”) which were intended to neutralize the impact of our acquisition of Magellan Midstream Partners, L.P.: • Earnings per Share (“EPS”): full-year earnings (net of adjustments described below) for legacy ONEOK business, divided by weighted-average diluted shares outstanding from January 1, 2023 through September 24, 2023. • Return on Invested Capital (“ROIC”): full-year earnings before interest and taxes (net of adjustments described below) for legacy ONEOK business, divided by daily average invested capital from January 1, 2023 through September 24, 2023.

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7. Sep 26, 2023

   New Directors On September 20, 2023, the Board of Directors (the ONEOK Board) of ONEOK, Inc. (ONEOK) elected Lori A. Gobillot and Wayne T. Smith as directors to the ONEOK Board, effective September 25, 2023. Ms. Gobillot, 62, will join the ONEOK Board from the board of directors of Magellan GP, LLC, the general partner of Magellan Midstream Partners, L.P. where she has served as an independent director since 2016. Ms. Gobillot is a business consultant who offers project management and strategic consulting services. In her 13-year career with Continental Airlines/United Airlines, Ms. Gobillot held officer roles in both business and legal functions, culminating in her role as vice president, integration management from 2010 to 2012, where she led United’s merger integration planning and implementation following its merger with Continental Airlines, Inc.

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8. Sep 13, 2023

   On September 12, 2023, we announced the following executive officer changes, which were approved by our Board of Directors on September 8, 2023. These organization changes are contingent, and effective, upon the closing of the previously announced merger (the “merger”) with Magellan Midstream Partners, L.P. (“Magellan”). Kevin L. Burdick will become Executive Vice President, Chief Enterprise Services Officer and Sheridan C. Swords will become Executive Vice President, Liquids and Gathering & Processing. Each of Messrs. Burdick and Swords will report directly to Pierce H. Norton II, ONEOK’s President and CEO. James R. Hoskin will become Senior Vice President, Refined Products and Crude Operations and will report directly to Mr. Norton. Mr.

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9. Dec 29, 2022

   On December 27, 2022, Robert F. Martinovich, Executive Vice President and Chief Administrative Officer and a named executive officer in our most recent proxy statement notified us that the effective date of his retirement will be December 31, 2022. 2

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10. May 6, 2022

    On May 4, 2022, John W. Gibson, 69, informed ONEOK, Inc. (the “Company”) of his decision to retire as a member of the Board of Directors (the “Board”) and as chairman of the Board, effectively immediately, after having served on the Board since 2006. Following Mr. Gibson’s retirement from the Board, the size of the Board was reduced to ten (10). Mr. Gibson’s retirement was not due to any disagreement with the Company, including on any matter relating to its operations, policies or practices. ONEOK, Inc. appreciates Mr. Gibson’s service to the Board. On May 5, 2022, Julie H. Edwards, 63, was appointed by the Board to succeed Mr. Gibson as Board chair. Ms. Edwards, of Houston, Texas, has been a Company director since 2007 and most recently served as the Company’s Lead Independent Director and Corporate Governance Committee chair. 2

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11. Mar 9, 2022

    On March 9, 2022, ONEOK, Inc., an Oklahoma corporation (“ONEOK” or “our”) announced organizational changes designed to align our reporting structure to, and accelerate the execution of, our strategic plan and to create leadership development opportunities. As part of these changes, effective March 28, 2022, Kevin L. Burdick will become Executive Vice President and Chief Commercial Officer, responsible for all ONEOK commercial activities and continuing to report to Pierce H. Norton, II, President and CEO. Scott Schingen, Senior Vice President, Operations, who previously reported to Mr. Burdick, will now report directly to Mr. Norton. 2

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12. Feb 22, 2022

    On February 16, 2022, Robert F. Martinovich, Executive Vice President and Chief Administrative Officer and a named executive officer in our most recent proxy statement, provided notice of his intention to retire. Mr. Martinovich will remain in his current role until a successor is named, including any necessary transition period. 2

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13. Jun 28, 2021

    As previously disclosed in a Current Report on Form 8-K filed on May 26, 2021 (the “ 8-K ”), Pierce H. Norton II has been elected the President and Chief Executive Officer of ONEOK, Inc. (the “ Company ” or “ ONEOK ”), effective June 28, 2021. On June 22, 2021, subsequent to filing of the 8-K, the Company’s Board of Directors finalized and approved the terms of Mr. Norton’s compensation. Mr. Norton will receive a base salary of $835,000 per year. He will be eligible for a short-term incentive award under the Company’s Annual Officer Incentive Plan (the “ AOIP ”) with a target of 125% of his base salary. He will receive a prorated payout of this award for 2021 based on his date of hire unless his previous employer does not provide a prorated payout for 2021 under its short-term incentive plan, in which case Mr.

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14. May 26, 2021

    On May 25, 2021, Terry K. Spencer, President and Chief Executive Officer of ONEOK, Inc. (the “Company” or “ONEOK”), informed the Company’s Board of Directors that he intends to retire, and resign from the board, effective September 30, 2021 (the “Retirement Date”). Also on May 25, 2021, the board appointed Pierce H. Norton II to succeed Mr. Spencer as President and Chief Executive Officer of the Company, and to join the Company’s board, effective June 28, 2021 (the “Effective Date”). Mr. Spencer will step down as President and Chief Executive Officer of the Company as of the Effective Date. At such time, Mr. Spencer will become an advisor to the President and Chief Executive Officer until the Retirement Date, with no change in his current compensation arrangements.

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15. Feb 23, 2021

    2020 SHORT-TERM INCENTIVE AWARDS The purpose of our shareholder approved Annual Officer Incentive Plan (“AOIP”) is to align the named executive officers’ interests with shareholders’ interests by providing them with a financial incentive tied directly to key measures of our financial and operational performance. The 2020 short-term incentive measures, performance goals and weightings under our AOIP were developed and recommended to the Executive Compensation Committee (the “Committee”) by executive management, were reviewed and approved by the Committee, and were then recommended to, and approved by our Board of Directors in February 2020. The same short-term incentive measures, performance goals and weightings are applicable to non-officer employees under our Annual Employee Incentive Plan (“AEIP”) to promote further alignment of interests throughout the Company.

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Proxy statements (DEF 14A): 2026 · 2025 · 2024 · 2023 · 2022 · 2021

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