Summit Midstream Holdings, LLC

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Prospectus Supplement for Primary Offering

Prospectus Supplement for Delayed or Continuous Offering

Automatic Shelf Registration

Prospectus Supplement for Primary Offering

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933

Notice of Effectiveness

Registration statement under Securities Act of 1933 (amendment)

No description available

Registration statement under Securities Act of 1933

Correspondence with the SEC

Correspondence with the SEC

Letter from the SEC

Post-effective amendment to an automatic shelf registration statement

Post-effective amendment to an automatic shelf registration statement

Letter from the SEC

Letter from the SEC