Summit Midstream Corporation filed SEC Form 8-K: Leadership Update
$SMC
Natural Gas Distribution
Utilities
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 OR 15(d) of The Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): December 23, 2025
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Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
Appointment of Director
On December 23, 2025, the board unanimously appointed Carolyn J. Stone as an independent director of the company to serve in Class II effective on March 16, 2026, in the seat being vacated by Marguerite Woung-Chapman, who notified the Board of her retirement effective as of midnight on March 15, 2026. Ms. Woung-Chapman has confirmed that she has no disagreement with the Company on any matter relating to its operations, practices, or policies, and there is no matter relating to her retirement that needs to be brought to the attention of the Company’s shareholders.
Ms. Stone, age 53, brings to the board financial, accounting, and audit expertise and extensive experience in public-company governance, reporting, and operations. Ms. Stone served as Senior Vice President, Chief Financial Officer, and Treasurer of Civeo Corporation, a NYSE-listed provider of hospitality services in the Australian natural resource regions and the Canadian oil sands, from November 2019 until March 2024. Prior to that, from 2014 to 2019, she served as Civeo’s VP, Controller and Corporate Secretary and as Chief Accounting Officer. Prior to joining Civeo, Ms. Stone served as CFO of Synagro Technologies Inc., a private equity-held environmental services company. Prior to Synagro, Ms. Stone served eleven years in multiple roles at Dynegy Inc., including Chief Accounting Officer, Treasurer, and Controller. She started her career at PriceWaterhouseCoopers LLP, where she worked in the firm’s audit practice. She is a Certified Public Accountant and earned both her Bachelor of Business Administration and Master in Professional Accounting degrees from The University of Texas at Austin.
There are no arrangements or understandings between Ms. Stone and any other person pursuant to which she was selected as a director. Ms. Stone will receive compensation under the Company’s director compensation program.
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| 104 | Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document | |||||||
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| Summit Midstream Corporation | |||||||||||
| (Registrant) | |||||||||||
| Dated: | December 29, 2025 | /s/ James Johnston | |||||||||
| James Johnston, Executive Vice President, General Counsel and Chief Compliance Officer | |||||||||||
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