Summit Midstream Corporation

SMC·NYSE·$30.96Share Price as of 11/2·$428MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/10/26 10-QQ1 ended 03/31/2605/11/26 10-KFY 202503/16/26 10-QQ3 ended 09/30/2511/10/25 10-QQ2 ended 06/30/2508/11/25

Disclosures

8-KCurrent report08/10/26 8-KCurrent report06/10/26 8-KCurrent report06/01/26 8-KCurrent report05/12/26 8-KCurrent report05/11/26

Prospectuses and Registrations

S-8Registration of securities for employees06/29/26 S-3Shelf registration03/24/25 S-8Registration of securities for employees08/23/24 424B3Prospectus06/14/24 S-4/ARegistration (business combination, amended)06/12/24

Proxies

DEF 14ADefinitive proxy04/10/26 DEF 14ADefinitive proxy04/10/25 DEFA14AAdditional proxy materials11/29/24 DEFA14AAdditional proxy materials11/18/24 DEFA14AAdditional proxy materials11/12/24

Ownership

Form 4Insider transaction10/02/26 Form 4Insider transaction07/06/26 144Proposed sale of securities07/02/26 Form 4Insider transaction05/21/26 144Proposed sale of securities05/18/26

Other

ARSAnnual report to shareholders04/10/26 ARSAnnual report to shareholders04/10/25 EFFECTRequest for effectiveness04/01/25 CORRESPCorrespondence with the SEC03/28/25 UPLOADLetter from the SEC03/28/25