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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.
Summit Midstream Corp director Carolyn J. Stone received a grant of 3,733 shares of common stock as compensation. The award, dated March 16, 2026, was issued at no purchase price and brought her direct holdings to 3,733 shares, reflecting a non-market, compensation-related acquisition.
Jacobe James Lee reported acquisition or exercise transactions in this Form 4 filing.
Summit Midstream Corp director Jacobe James Lee 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 a compensation-related grant rather than a market purchase, and brings his direct holdings to 45,686 shares.
McNally Robert Joseph reported acquisition or exercise transactions in this Form 4 filing.
Summit Midstream Corp director Robert Joseph McNally received a grant of 3,733 shares of Common Stock on March 16, 2026. The grant was recorded at a price of $0.00 per share, indicating it is a compensation-related award rather than an open-market purchase. After this award, McNally directly owns 37,004 shares of Summit Midstream Corp common stock.
CLEARY JAMES J reported acquisition or exercise transactions in this Form 4 filing.
Summit Midstream Corp director James J. Cleary received a grant of 3,733 shares of Common Stock on March 16, 2026 at no purchase price, reflecting a compensation-related award rather than a market trade. Following this grant, he directly holds 37,004 shares.
Summit Midstream Corp director Carolyn J. Stone filed an initial Form 3, which reports her status as a director but shows no buy, sell, or other reportable transactions in the company’s securities. This filing establishes her baseline insider reporting obligations going forward.