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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 Sicinski Matthew B. Senior VP and CAO Option exercise +6,139 37,486
2026-03-13 Sicinski Matthew B. Senior VP and CAO Shares withheld for taxes −1,525 $30.29 $46K 35,961
2026-03-13 Sicinski Matthew B. Senior VP and CAO Option exercise +1,511 37,472
2026-03-13 Sicinski Matthew B. Senior VP and CAO Shares withheld for taxes −368 $30.29 $11K 37,104
2026-03-13 Sicinski Matthew B. Senior VP and CAO Option exercise +3,174 40,278
2026-03-13 Sicinski Matthew B. Senior VP and CAO Shares withheld for taxes −773 $30.29 $23K 39,505
2026-03-13 Sicinski Matthew B. Senior VP and CAO Option exercise · Corporation Restricted Stock Units −6,139 23,223
2026-03-13 Sicinski Matthew B. Senior VP and CAO Option exercise · Corporation Restricted Stock Units −1,511 21,712
2026-03-13 Sicinski Matthew B. Senior VP and CAO Option exercise · Corporation Restricted Stock Units −3,174 18,538
2026-03-13 Mault William J. Executive VP and CFO Option exercise +16,522 87,110
2026-03-13 Mault William J. Executive VP and CFO Shares withheld for taxes −6,502 $30.29 $197K 80,608
2026-03-13 Mault William J. Executive VP and CFO Option exercise +4,793 85,401
2026-03-13 Mault William J. Executive VP and CFO Shares withheld for taxes −1,887 $30.29 $57K 83,514
2026-03-13 Mault William J. Executive VP and CFO Option exercise +8,542 92,056
2026-03-13 Mault William J. Executive VP and CFO Shares withheld for taxes −3,362 $30.29 $102K 88,694
2026-03-13 Mault William J. Executive VP and CFO Option exercise · Corporation Restricted Stock Units −16,522 68,224
2026-03-13 Mault William J. Executive VP and CFO Option exercise · Corporation Restricted Stock Units −4,793 63,431
2026-03-13 Mault William J. Executive VP and CFO Option exercise · Corporation Restricted Stock Units −8,542 54,889
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Option exercise +18,977 76,664
2026-03-13 Johnston James David Executive VP, GC, CCO and Secy Shares withheld for taxes −7,468 $30.29 $226K 69,196

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