Connect Midstream, LLC - 28 Aug 2025 Form 4 Insider Report for Summit Midstream Corp (SMC)

Role: 10%+ Owner
Signature: Connect Midstream, LLC, By: /s/ Jason H. Downie, Director
Issuer symbol: SMC
Transactions as of: 28 Aug 2025
Transactions value $: $549,804
Form type: 4
Filing time: 02 Sep 2025, 18:33:15 UTC
Previous filing: 28 Aug 2025
SEC: View on sec.gov

Reporting Owners (5)

Name	Relationship	Address	Signature	Signature date	CIK
Connect Midstream, LLC	10%+ Owner	2021 MCKINNEY AVE,, SUITE 1250, DALLAS	Connect Midstream, LLC, By: /s/ Jason H. Downie, Director	02 Sep 2025	0002045908
Tailwater Energy Fund III LP	10%+ Owner	2021 MCKINNEY AVE,, SUITE 1250, DALLAS	Tailwater Energy Fund III LP, By: TW GP EF-III LP, its general partner, By: TW GP EF-III GP, LLC, its general partner, By: Tailwater Capital LLC, its sole member, By: /s/ Jason H. Downie, Managing Partner	02 Sep 2025	0001710146
Tailwater Capital LLC	10%+ Owner	2021 MCKINNEY AVE,, SUITE 1250, DALLAS	Tailwater Capital, LLC, By: /s/ Jason H. Downie, Managing Partner	02 Sep 2025	0001615830
Downie Jason H	Director, 10%+ Owner	2021 MCKINNEY AVE,, SUITE 1250, DALLAS	/s/ Jason H. Downie	02 Sep 2025	0001351303
Herring Edward	Director, 10%+ Owner	2021 MCKINNEY AVE,, SUITE 1250, DALLAS	/s/ Edward Herring	02 Sep 2025	0001483120

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	SMC	Common Stock, par value $0.01	Purchase	$550K	+26.3K	+21.9%	$20.89	146K	28 Aug 2025	Direct	F1, F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.43 to $21.01. The Reporting Person undertakes to provide to Summit Midstream Corp (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.
F2	The reported securities are held directly by Connect Midstream, LLC. Tailwater Energy Fund III LP is the sole member of Connect Midstream, LLC. TW GP EF-III LP is the general partner of Tailwater Energy Fund III LP. TW GP EF-III GP, LLC is the general partner of TW GP EF-III LP. Tailwater Capital LLC is the sole member of TW GP EF-III GP, LLC. Jason Downie and Edward Herring are each a Managing Partner of Tailwater Capital LLC. Each of the foregoing disclaim beneficial ownership of the reported securities directly held by Connect Midstream, LLC except to the extent of their respective pecuniary interest therein.

Content

The price reported is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $20.43 to $21.01. The Reporting Person undertakes to provide to Summit Midstream Corp (the "Issuer"), any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote.

The reported securities are held directly by Connect Midstream, LLC. Tailwater Energy Fund III LP is the sole member of Connect Midstream, LLC. TW GP EF-III LP is the general partner of Tailwater Energy Fund III LP. TW GP EF-III GP, LLC is the general partner of TW GP EF-III LP. Tailwater Capital LLC is the sole member of TW GP EF-III GP, LLC. Jason Downie and Edward Herring are each a Managing Partner of Tailwater Capital LLC. Each of the foregoing disclaim beneficial ownership of the reported securities directly held by Connect Midstream, LLC except to the extent of their respective pecuniary interest therein.