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Filing Detail
Form SC 13G/A - Statement of acquisition of beneficial ownership by individuals: [Amend]
SEC Accession No. 0001033427-17-000043
Filing Date
2017-04-17
Accepted
2017-04-17 11:06:56
Documents
1

Document Format Files

Seq Description Document Type Size
1 semgroup13a403312017.htm SC 13G/A 72574
  Complete submission text file 0001033427-17-000043.txt   74099
Mailing Address 276 POST ROAD WEST WESTPORT CT 06880-4704
Business Address 276 POST ROAD WEST WESTPORT CT 06880-4704 2033417800
IRIDIAN ASSET MANAGEMENT LLC/CT (Filed by) CIK: 0001033427 (see all company filings)

IRS No.: 061439577 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G/A

Mailing Address TWO WARREN PLACE 6120 SOUTH YALE AVENUE, SUITE 1500 TULSA OK 74136-4216
Business Address TWO WARREN PLACE 6120 SOUTH YALE AVENUE, SUITE 1500 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/A | Act: 34 | File No.: 005-85990 | Film No.: 17763829
SIC: 1389 Oil & Gas Field Services, NEC
Office of Energy & Transportation