13D·WATCH Activist + Insider Intelligence Live feed Blog About Pricing
SCHEDULE 13D/A Filed 2026-04-09 Event 2026-03-31 SEC 0001213900-26-041979 →

Connect Midstream, LLC → Summit Midstream Corp SMC

Stake: 39.10% Shares: 7,891,864 CUSIP: 86614G101 Class: Common Stock, par value $0.01 per share
Composite Decision Signal · PASS (LOW BASE-RATE EDGE) Conviction Score: 30/100 · Filer 90d Win Rate: 50% · Hist. 90d Edge: +10.2%
  • Active Schedule 13D filer baseline
  • High conviction ownership stake (39.1%)
  • Held by 1 tracked 13F institutional manager
  • 8 NPORT-P mutual funds holding CUSIP

Item 4 — Purpose of Transaction

Item 4 of the Schedule 13D is hereby amended to include the following at the end thereof: Securities Purchase Agreement Pursuant to the Securities Purchase Agreement (the "Purchase Agreement"), by and among the Company, the Partnership, and Tall Oak Parent, and solely for purposes of modifying certain existing registration rights as detailed in the Purchase Agreement, Connect Midstream, LLC, a Delaware limited liability company ("Connect Midstream"), the Company agreed to issue and sell to Tall Oak Parent (or its designated members) 1,351,351 shares (the "Shares") of Common Stock in exchange for $42,000,000 in cash. The Purchase Agreement contained customary representations, warranties, covenants, conditions to closing, and termination provisions. Upon consummation of the foregoing, the reported securities were distributed by Tall Oak Parent to Connect Midstream. The foregoing description of the Purchase Agreement does not purport to be complete and is qualified in its entirety by the full text of the Purchase Agreement, a copy of which is filed as Exhibit 10.1 to the Issuer's current report on Form 8-K filed with the SEC on April 2, 2026, and is incorporated herein by reference. Investor Agreement Amendment The Purchase Agreement amends and modifies the Investor Agreement such that, among other things, the Shares issued to Tall Oak Parent constitute "Registerable Securities" under the Investor Agreement, and, pursuant to the terms of the Purchase Agreement and the Investor Agreement, the Company will use commercially reasonable efforts to prepare and file a Registration Statement (as defined in the Investor Agreement) with the SEC (or amend by post-effective amendment a previously filed Registration Statement, covering the resale of all of the Shares for an offering to be made on a continuous basis pursuant to Rule 415 under the Securities Act of 1933, as amended (the "Securities Act"), within 90 days of the closing of the transaction. The foregoing description of the Investor Agreement does not purport to be complete and is qualified in its entirety by the full text of the Investor Agreement, a copy of which is filed as Exhibit 10.2 to the Issuer's current report on Form 8-K filed with the SEC on December 3, 2024 and is incorporated herein by reference.

Cross-References

Insider Activity (last 365d)
46 transactions
11 buys · 2 sales · 17 awards/exercises
Issuer Cluster
2 13D/G filings on this issuer
1 other filing besides this one
Filer Track Record
2 filings by this filer
1 other filing in the data moat
Short Interest · settle 2026-10-15
DTC 1.52
159,989 shares short · -6.7% vs prior

Institutional Consensus · 2025-12-31

Held by elite portfolio managers
1 holder · $2.62M
Point72 Asset Mgmt

Post-Filing Returns · since 2026-03-31 on SMC

+1 day
-1.3%
+5 days
-4.2%
+30 days
-0.1%
+60 days
-0.1%
+90 days
-0.1%
+180 days
—

Anchor price 30.24 on closest trading day on/after 2026-03-31. Source: Yahoo Finance daily adj_close (split + dividend adjusted).

Form 4 Insider Transactions · last 365d

DateInsiderRoleTypeSharesPriceValue
2026-10-01 Johnston James David officer Sale 2,600 $30.51 $79K
2026-05-19 PETERS JERRY L director Sale 10,000 $32.00 $320K
2026-04-20 PETERS JERRY L director Gift 3,733 — —
2026-03-31 Connect Midstream, LLC director, 10%+ owner Buy 1,220,918 $31.08 $37.95M
2026-03-16 PETERS JERRY L director Award 3,733 — —
2026-03-16 Oates Rommel director Award 3,733 — —
2026-03-16 Stone Carolyn J director Award 3,733 — —
2026-03-16 Jacobe James Lee director Award 3,733 — —
2026-03-16 McNally Robert Joseph director Award 3,733 — —
2026-03-16 CLEARY JAMES J director Award 3,733 — —
2026-03-16 Deneke J Heath officer Award 59,807 — —
2026-03-16 Johnston James David officer Award 17,544 — —
2026-03-16 Mault William J. officer Award 18,071 — —
2026-03-16 Sicinski Matthew B. officer Award 5,692 — —
2026-03-13 Sicinski Matthew B. officer Option exercise 6,139 — —
2026-03-13 Mault William J. officer Option exercise 16,522 — —
2026-03-13 Johnston James David officer Option exercise 18,977 — —
2026-03-13 Deneke J Heath officer Option exercise 58,049 — —
2026-03-13 Deneke J Heath officer F 22,239 $30.29 $674K
2026-03-13 Deneke J Heath officer Option exercise 15,875 — —
2026-03-13 Deneke J Heath officer F 6,247 $30.29 $189K
2026-03-13 Deneke J Heath officer Option exercise 30,015 — —
2026-03-13 Deneke J Heath officer F 11,811 $30.29 $358K
2026-03-13 Johnston James David officer F 7,468 $30.29 $226K
2026-03-13 Johnston James David officer Option exercise 4,653 — —
Showing 25 of 46

Other 13D/G Filings on Summit Midstream Corp

FiledFormFilerStakeShares
2025-09-02 SCHEDULE Connect Midstream, LLC 35.50% 6,670,946 view →

Other Filings by Connect Midstream, LLC

FiledFormIssuerStakeShares
2025-09-02 SCHEDULE Summit Midstream Corp SMC 35.50% 6,670,946 view →

Want this depth on every filing the moment it hits SEC EDGAR?

Free $0 (48h-delayed alerts) · Individual $49/mo (real-time) · Team & API $199/mo · Enterprise.

See pricing →