Connect Midstream, LLC - 31 Mar 2026 Form 4 Insider Report for Summit Midstream Corp (SMC)

Reporting relationship: 10%+ Owner
Issuer ticker: SMC
Reported as of: 31 Mar 2026
Net transaction value: +$37,946,131
SEC form: 4
Accepted by SEC: 13 Apr 2026, 16:05:30 UTC
Prior SEC filing: 02 Sep 2025
Source filing: View source filing
Reporting owner signature: Connect Midstream, LLC, By: /s/ Jason H. Downie, Director

Key filing fact

Connect Midstream, LLC filed Form 4 for Summit Midstream Corp (SMC) on 13 Apr 2026.

Key facts

This page summarizes Connect Midstream, LLC's Form 4 filing for Summit Midstream Corp (SMC).
1 reported transaction and 0 derivative rows are listed below.
Accepted by SEC: 13 Apr 2026, 16:05.

Change

Previous filing in this sequence was filed on 02 Sep 2025.
Current net transaction value: +$37,946,131.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (5)

CIK 0002045908 Primary reporting owner

Connect Midstream, LLC

Relationship: 10%+ Owner
Address: 4020 MAPLE AVE, SUITE 200, DALLAS
Signature: Connect Midstream, LLC, By: /s/ Jason H. Downie, Director
Signature date: 13 Apr 2026

CIK 0001710146

Tailwater Energy Fund III LP

Relationship: 10%+ Owner
Address: 4020 MAPLE AVE, SUITE 200, DALLAS
Signature: 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
Signature date: 13 Apr 2026

CIK 0001615830

Tailwater Capital LLC

Relationship: 10%+ Owner
Address: 4020 MAPLE AVE, SUITE 200, DALLAS
Signature: Tailwater Capital, LLC, By: /s/ Jason H. Downie, Managing Partner
Signature date: 13 Apr 2026

CIK 0001351303

Downie Jason H

Relationship: Director, 10%+ Owner
Address: 4020 MAPLE AVE, SUITE 200, DALLAS
Signature: /s/ Jason H. Downie
Signature date: 13 Apr 2026

CIK 0001483120

Herring Edward

Relationship: Director, 10%+ Owner
Address: 4020 MAPLE AVE, SUITE 1250, DALLAS
Signature: /s/ Edward Herring
Signature date: 13 Apr 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

SMC transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $37,946,131
Shares: +1,220,918
Change %: +834%
Price: $31.08
Shares after: 1,367,397
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F1

SMC transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $37,946,131
Shares: +1,220,918
Change %: +834%
Price: $31.08
Shares after: 1,367,397
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F1

SMC transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $37,946,131
Shares: +1,220,918
Change %: +834%
Price: $31.08
Shares after: 1,367,397
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F1

SMC transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $37,946,131
Shares: +1,220,918
Change %: +834%
Price: $31.08
Shares after: 1,367,397
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F1

SMC transaction

Common Stock, par value $0.01 per share

Purchase

Transaction value: $37,946,131
Shares: +1,220,918
Change %: +834%
Price: $31.08
Shares after: 1,367,397
Date: 31 Mar 2026
Ownership: Direct
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 1 footnote

Footnote F1

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.