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BlackRock, Inc. filed Amendment No. 1 to a Schedule 13G/A reporting beneficial ownership of 612,798 shares of Summit Midstream Corp common stock, equal to 4.9% of the class. The filing attributes these holdings to certain Reporting Business Units of BlackRock and shows sole voting power for 602,656 shares and sole dispositive power for 612,798 shares. The cover lists Summit Midstream Corp's principal office at 910 Louisiana Street, Suite 4200, Houston, TX. The amendment is signed by Spencer Fleming, Managing Director, dated 04/27/2026. The filing states that no single outside person holds more than 5% of the common stock.
Summit Midstream Corp director Jerry L. Peters reported gifting 7,466 shares of Common Stock on April 20, 2026. The transactions were bona fide gifts, split into two transfers of 3,733 shares each from his direct holdings and from a Joint Spousal Trust. After these gifts, he holds 26,979 shares indirectly through the Joint Spousal Trust and no shares directly.
Connect Midstream, LLC, a significant holder of Summit Midstream Corp, reported an open-market purchase of 1,220,918 shares of common stock at $31.08 per share on March 31, 2026. Following this transaction, Connect Midstream, LLC holds 1,367,397 common shares.
The shares are held directly by Connect Midstream, LLC, while entities including Tailwater Energy Fund III LP and Tailwater Capital LLC, and individuals Jason Downie and Edward Herring, are indirect reporting persons. The footnote states that each of these parties disclaims beneficial ownership of the shares except to the extent of their pecuniary interest.
Summit Midstream Corporation is asking stockholders to vote at its virtual 2026 annual meeting on May 7, 2026. Investors will elect three Class II directors plus one Class II Class B director, ratify Deloitte & Touche LLP as auditor, approve an advisory say-on-pay vote, and amend the 2024 long-term incentive plan.
The proxy describes 2025 progress, including acquiring Moonrise Midstream in the DJ Basin, adding about 80 miles of gas pipeline and 65 million cubic feet per day of processing capacity, reinstating the Series A preferred dividend, reducing leverage to about 4.2x Adjusted EBITDA, extending key Williston contracts, and fully subscribing Double E Pipeline’s primary firm forward-haul capacity.
Connect Midstream and affiliated Tailwater entities report a 39.1% beneficial stake in Summit Midstream Corp following a recent equity issuance. They report beneficial ownership of 7,891,864 shares of common stock, including 6,524,467 shares issuable upon conversion of an equivalent number of Common Units and associated Class B shares, and 1,367,397 shares directly held by Connect Midstream.
The ownership percentage is based on 20,185,604 shares outstanding, which includes 12,440,219 shares outstanding as of March 13, 2026, 1,220,918 shares issued on March 31, 2026, and the 6,524,467 issuable shares. The filing describes a Securities Purchase Agreement under which Summit agreed to issue 1,351,351 shares of common stock to Tall Oak Parent for $42,000,000 in cash at $31.08 per share, the New York Stock Exchange “Minimum Price,” with the shares treated as registerable securities under an amended Investor Agreement.
Summit Midstream Corporation completed a $42,000,000 private placement of 1,351,351 common shares to Tall Oak Midstream Holdings, an affiliate of Tailwater Capital, at $31.08 per share. The shares were issued at New York Stock Exchange “Minimum Price,” carry a 6‑month lockup, and were sold under a Securities Purchase Agreement unanimously approved by the Board’s independent Audit Committee.
The company plans to use the proceeds to reduce borrowings under its asset-based lending credit facility and to fund organic growth projects and other general corporate purposes. Following the transaction, Tailwater and its affiliates beneficially own approximately 39% of Summit’s outstanding equity, up from about 35%, and the new shares are covered by existing registration rights for potential future resale.
The Vanguard Group filed Amendment No. 1 to a Schedule 13G/A reporting no beneficial ownership in Summit Midstream Corp common stock. The filing states 0 shares beneficially owned and 0% of the class. It explains an internal realignment effective January 12, 2026, under SEC Release No. 34-39538 that caused certain Vanguard subsidiaries or business divisions to report separately.
PETERS JERRY L reported acquisition or exercise transactions in this Form 4 filing.
Summit Midstream Corp director Jerry L. Peters received a grant of 3,733 shares of Common Stock on March 16, 2026. The award was recorded at a price of $0.00 per share, indicating it was a compensation-related grant rather than a market purchase.
After this grant, Peters holds 3,733 shares directly. He also has indirect ownership of 23,246 shares through a Joint Spousal Trust, where he serves as a trustee and, together with his spouse, is a sole beneficiary.
Summit Midstream Corp director Rommel Oates received a grant of 3,733 shares of Common Stock at no cost. This award is classified as a grant or other acquisition, increasing his directly held stake to 26,170 shares following the transaction on March 16, 2026.