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Form DEF 14A - Other definitive proxy statements:
SEC Accession No. 0001193125-11-105242
Filing Date
2011-04-21
Accepted
2011-04-21 16:31:10
Documents
5
Period of Report
2011-05-25
Effectiveness Date
2011-04-21

Document Format Files

Seq Description Document Type Size
1 DEFINITIVE PROXY STATEMENT ddef14a.htm DEF 14A 713967
2 GRAPHIC g173272g16d11.jpg GRAPHIC 12412
3 GRAPHIC g173272g24t65.jpg GRAPHIC 5254
4 GRAPHIC g173272pc_pg001.jpg GRAPHIC 149345
5 GRAPHIC g173272pc_pg002.jpg GRAPHIC 130895
  Complete submission text file 0001193125-11-105242.txt   1126112
Mailing Address TWO WARREN PLACE 6120 SOUTH YALE AVENUE, SUITE 700 TULSA OK 74136-4216
Business Address TWO WARREN PLACE 6120 SOUTH YALE AVENUE, SUITE 700 TULSA OK 74136-4216 918-524-8100
SemGroup Corp (Filer) CIK: 0001489136 (see all company filings)

IRS No.: 203533152 | State of Incorp.: DE | Fiscal Year End: 1231
Type: DEF 14A | Act: 34 | File No.: 001-34736 | Film No.: 11773786
SIC: 1389 Oil & Gas Field Services, NEC