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CIK 0002024218 · Accelerated filer

Summit Midstream Corp

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Ticker
SMC
Exchange
NYSE
Industry
Natural Gas Transmission
FY end
Dec 31
Incorporated
DE
Entity type
operating
Phone
832-413-4770
Business address
910 LOUISIANA STREET, SUITE 4200, HOUSTON, TX, 77002
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$79,326
in 1 filing, $79K under 10b5-1 plans

Net −$79,326. Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Pace of trading Bought Sold

Who's trading

90 days

  1. Johnston James David −$79K Executive VP, GC, CCO and Secy sold 3% of stake
Date Insider Transaction Shares Price Value Owned after
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Option exercise +4,653 73,849
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Shares withheld for taxes −1,831 $30.29 $55K 72,018
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Option exercise +9,793 81,811
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Shares withheld for taxes −3,854 $30.29 $117K 77,957
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Option exercise · Corporation Restricted Stock Units −18,977 70,740
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Option exercise · Corporation Restricted Stock Units −4,653 66,087
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Option exercise · Corporation Restricted Stock Units −9,793 56,294
2026-03-13 Deneke J Heath Chairman, President and CEO Option exercise +58,049 348,757
2026-03-13 Deneke J Heath Chairman, President and CEO Shares withheld for taxes −22,239 $30.29 $674K 326,518
2026-03-13 Deneke J Heath Chairman, President and CEO Option exercise +15,875 342,393
2026-03-13 Deneke J Heath Chairman, President and CEO Shares withheld for taxes −6,247 $30.29 $189K 336,146
2026-03-13 Deneke J Heath Chairman, President and CEO Option exercise +30,015 366,161
2026-03-13 Deneke J Heath Chairman, President and CEO Shares withheld for taxes −11,811 $30.29 $358K 354,350
2026-03-13 Deneke J Heath Chairman, President and CEO Option exercise · Corporation Restricted Stock Units −58,049 225,507
2026-03-13 Deneke J Heath Chairman, President and CEO Option exercise · Corporation Restricted Stock Units −15,875 209,632
2026-03-13 Deneke J Heath Chairman, President and CEO Option exercise · Corporation Restricted Stock Units −30,015 179,617
2026-01-16 Mault William J. Executive VP and CFO Option exercise +10,121 73,345
2026-01-16 Mault William J. Executive VP and CFO Shares withheld for taxes −2,757 $26.81 $74K 70,588
2026-01-16 Mault William J. Executive VP and CFO Option exercise · Corporation Restricted Stock Units −10,121 84,746
2026-01-16 Sicinski Matthew B. Senior VP and CAO Option exercise +3,593 32,413

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