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Form SC 13G - Statement of Beneficial Ownership by Certain Investors:
SEC Accession No. 0000902219-13-000401
Filing Date
2013-02-14
Accepted
2013-02-14 12:51:18
Documents
1

Document Format Files

Seq Description Document Type Size
1 DISCLOSURE DOCUMENT sec_filing.htm SC 13G 17962
  Complete submission text file 0000902219-13-000401.txt   19629
Mailing Address 280 CONGRESS STREET BOSTON MA 02210
Business Address 280 CONGRESS STREET BOSTON MA 02210 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G
SIC: 0000

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 (Subject) CIK: 0001489136 (see all company filings)

IRS No.: 203533152 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-85990 | Film No.: 13609722
SIC: 1389 Oil & Gas Field Services, NEC