SMC

SEC source: 0002024218-25-000021 · wk-form4_1741729820.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 235,476

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $38.06 to $38.82, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000021 · wk-form4_1741729820.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 236,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $39.56 to $39.96, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000021 · wk-form4_1741729820.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 236,826

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $38.51 to $39.19, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000018 · wk-form4_1741310942.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 237,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $40.02 to $40.82, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000018 · wk-form4_1741310942.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 237,726

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $39.01 to $39.64, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000018 · wk-form4_1741310942.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 238,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $40.10 to $41.05, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000018 · wk-form4_1741310942.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 239,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.78 to $41.85, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000018 · wk-form4_1741310942.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 239,476

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $40.75 to $41.70, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000017 · wk-form4_1741044450.xml · nonDerivative · entry 6

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 240,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F7 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.60 to $44.39, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 7 to this Form 4.

SEC source: 0002024218-25-000017 · wk-form4_1741044450.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 240,826

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.52 to $43.49, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000017 · wk-form4_1741044450.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 241,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $44.71 to $45.17, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000017 · wk-form4_1741044450.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 241,976

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.59 to $44.53, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000017 · wk-form4_1741044450.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 242,126

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.00 to $42.96, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000017 · wk-form4_1741044450.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 242,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.05 to $42.80, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000016 · wk-form4_1740617531.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 243,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.74 to $42.25, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000016 · wk-form4_1740617531.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 244,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.00 to $42.20, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000016 · wk-form4_1740617531.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 244,476

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.05 to $41.98, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000016 · wk-form4_1740617531.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 245,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.29 to $43.03, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000015 · wk-form4_1740182054.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $44.43 to $45.06, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000015 · wk-form4_1740182054.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 246,776

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.36 to $44.31, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000015 · wk-form4_1740182054.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 247,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $44.42 to $45.15, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000015 · wk-form4_1740182054.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 247,826

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.30 to $44.04, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000015 · wk-form4_1740182054.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 248,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $44.86 to $45.28, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000014 · wk-form4_1739923075.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 249,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $45.00 to $45.64, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000014 · wk-form4_1739923075.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,026

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.87 to $44.76, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000014 · wk-form4_1739923075.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 250,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.93 to $44.62, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000014 · wk-form4_1739923075.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $44.90 to $45.35, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000014 · wk-form4_1739923075.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 251,602

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.64 to $44.52, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000013 · wk-form4_1739407598.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 252,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.41 to $44.28, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000013 · wk-form4_1739407598.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $44.30 to $44.44, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000013 · wk-form4_1739407598.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 253,476

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.22 to $44.16, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000013 · wk-form4_1739407598.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.55 to $44.29, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000013 · wk-form4_1739407598.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 254,831

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.495 to $43.47, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000012 · wk-form4_1738978018.xml · nonDerivative · entry 6

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 255,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F7 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.00 to $43.30, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 7 to this Form 4.

SEC source: 0002024218-25-000012 · wk-form4_1738978018.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 255,476

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.25 to $43.04, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000012 · wk-form4_1738978018.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 256,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $43.75 to $43.99, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.

SEC source: 0002024218-25-000012 · wk-form4_1738978018.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 256,533

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.75 to $43.44, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000012 · wk-form4_1738978018.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 257,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.88 to $43.35, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000012 · wk-form4_1738978018.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 258,026

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.83 to $42.40, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000011 · wk-form4_1738715125.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 258,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.25 to $43.04, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000011 · wk-form4_1738715125.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 259,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $40.71 to $41.29, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000011 · wk-form4_1738715125.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 260,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.04 to $41.88, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000010 · wk-form4_1738280548.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 261,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $40.89 to $41.48, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000010 · wk-form4_1738280548.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 262,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $40.59 to $41.14, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000010 · wk-form4_1738280548.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 263,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $39.30 to $40.86, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000009 · wk-form4_1738019597.xml · nonDerivative · entry 3

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 264,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F4 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $39.72 to $42.14, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 4 to this Form 4.

SEC source: 0002024218-25-000009 · wk-form4_1738019597.xml · nonDerivative · entry 2

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 265,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F3 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.82 to $42.85, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 3 to this Form 4.

SEC source: 0002024218-25-000009 · wk-form4_1738019597.xml · nonDerivative · entry 1

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 266,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F2 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $42.22 to $43.33, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 2 to this Form 4.

SEC source: 0002024218-25-000005 · wk-form4_1737587966.xml · nonDerivative · entry 5

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 267,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F6 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.54 to $43.89, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 6 to this Form 4.

SEC source: 0002024218-25-000005 · wk-form4_1737587966.xml · nonDerivative · entry 4

Deneke J Heath · CIK 0001555671 · Chairman, President and CEO

10b5-1 filing: Plan reported

Ownership: Direct

Disclosed balance after: 268,326

F1 · kind: These Common Stocks were sold in compliance with a qualified selling plan adopted by the reporting person pursuant to Rule 10b5-1 under the Securities Exchange Act of 1934, as amended.

F5 · price: The price reported in Column 4 is a weighted average price and has been rounded to the nearest cent. These Common Stocks were sold in multiple transactions at prices ranging from $41.33 to $42.61, inclusive. The reporting person undertakes to provide to Summit Midstream Corporation, any security holder of Summit Midstream Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Stocks sold at each separate price within the ranges set forth in footnote 5 to this Form 4.