EQUITY COMPENSATION	3 Months Ended
Mar. 31, 2026
Share-Based Payment Arrangement [Abstract]
EQUITY COMPENSATION	13. EQUITY COMPENSATION SMC Long-Term Incentive Plan. In connection with the consummation of the Corporate Reorganization, the Company assumed SMLP’s 2022 Long-Term Incentive Plan, as amended by the First Amendment, effective as of March 16, 2022 (the “SMLP LTIP”), and all the obligations of SMLP thereunder. The SMLP LTIP units were exchanged on a one-for-one basis with equivalent terms. In connection with the assumption of the SMLP LTIP and the Corporate Reorganization, the Board of Directors approved the amendment and restatement of the SMLP LTIP, with such amendment and restatement effective as of August 1, 2024 (such amended and restated plan, the Summit Midstream Corporation 2024 Long-Term Incentive Plan (the “SMC LTIP”)). The SMC LTIP authorizes the Compensation Committee, in its discretion, to grant awards of restricted stock, restricted stock units, stock options, stock appreciation rights and other awards related to the Company’s common stock upon such terms and conditions as it may determine appropriate and in accordance with the terms of the SMC LTIP. Significant items to note: •For the three-month period ended March 31, 2026, the Company granted 177,854 shares of time-based restricted stock and associated dividend equivalent rights to employees in connection with the Company’s annual incentive compensation award cycle. The grant date fair value of these awards totaled $5.4 million and the awards generally vest ratably over a three-year period. •For the three-month period ended March 31, 2026, the Company granted 120,283 shares of performance-based restricted stock and associated dividend equivalent rights to certain members of management in connection with the Company’s annual incentive compensation award cycle. The grant date fair value of these awards totaled $4.6 million and the awards vest at the end of three years. •For the three-month period ended March 31, 2026, the Company issued 22,398 shares of common stock to six independent directors in connection with their annual compensation plan. The grant date fair value of these awards totaled $0.7 million and became fully vested at the grant date. As of March 31, 2026, approximately 0.3 million shares of common stock remained available for future issuance under the SMC LTIP, which includes the impact of 0.7 million granted but unvested restricted stock and performance-based awards, assuming the performance-based awards are settled with a 100% target payout.

SMC Long-Term Incentive Plan. In connection with the consummation of the Corporate Reorganization, the Company assumed SMLP’s 2022 Long-Term Incentive Plan, as amended by the First Amendment, effective as of March 16, 2022 (the “SMLP LTIP”), and all the obligations of SMLP thereunder. The SMLP LTIP units were exchanged on a one-for-one basis with equivalent terms. In connection with the assumption of the SMLP LTIP and the Corporate Reorganization, the Board of Directors approved the amendment and restatement of the SMLP LTIP, with such amendment and restatement effective as of August 1, 2024 (such amended and restated plan, the Summit Midstream Corporation 2024 Long-Term Incentive Plan (the “SMC LTIP”)). The SMC LTIP authorizes the Compensation Committee, in its discretion, to grant awards of restricted stock, restricted stock units, stock options, stock appreciation rights and other awards related to the Company’s common stock upon such terms and conditions as it may determine appropriate and in accordance with the terms of the SMC LTIP.

•For the three-month period ended March 31, 2026, the Company granted 177,854 shares of time-based restricted stock and associated dividend equivalent rights to employees in connection with the Company’s annual incentive compensation award cycle. The grant date fair value of these awards totaled $5.4 million and the awards generally vest ratably over a three-year period.

•For the three-month period ended March 31, 2026, the Company granted 120,283 shares of performance-based restricted stock and associated dividend equivalent rights to certain members of management in connection with the Company’s annual incentive compensation award cycle. The grant date fair value of these awards totaled $4.6 million and the awards vest at the end of three years.

•For the three-month period ended March 31, 2026, the Company issued 22,398 shares of common stock to six independent directors in connection with their annual compensation plan. The grant date fair value of these awards totaled $0.7 million and became fully vested at the grant date.

As of March 31, 2026, approximately 0.3 million shares of common stock remained available for future issuance under the SMC LTIP, which includes the impact of 0.7 million granted but unvested restricted stock and performance-based awards, assuming the performance-based awards are settled with a 100% target payout.