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Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001085146-12-000150
Filing Date
2012-02-06
Accepted
2012-02-06 12:29:53
Documents
1

Document Format Files

Seq Description Document Type Size
1 ROBECO INVESTMENT MANAGEMENT INC. semg_20312.htm SC 13G 28687
  Complete submission text file 0001085146-12-000150.txt   30193
Mailing Address 909 THIRD AVENUE NEW YORK NY 10022
Business Address 909 THIRD AVENUE NEW YORK NY 10022 2129089500
Robeco Investment Management, Inc. (Filed by) CIK: 0001386060 (see all company filings)

IRS No.: 980202744 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G

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.: 12572692
SIC: 1389 Oil & Gas Field Services, NEC