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Form SC 13D/A - General Statement of Acquisition of Beneficial Ownership: [Amend]
SEC Accession No. 0001193125-17-121256
Filing Date
2017-04-12
Accepted
2017-04-12 15:20:55
Documents
1
Group Members
YORKTOWN XI ASSOCIATES LLCYORKTOWN XI CO LP

Document Format Files

Seq Description Document Type Size
1 SC 13D/A d262321dsc13da.htm SC 13D/A 69857
  Complete submission text file 0001193125-17-121256.txt   71494
Mailing Address 1700 BROADWAY, SUITE 1170 DENVER CO 80290
Business Address 1700 BROADWAY, SUITE 1170 DENVER CO 80290 720-407-7043
Carbon Natural Gas Co (Subject) CIK: 0000086264 (see all company filings)

IRS No.: 260818050 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A | Act: 34 | File No.: 005-31849 | Film No.: 17757911
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 410 PARK AVENUE, 19TH FLOOR NEW YORK NY 10022
Business Address 410 PARK AVENUE, 19TH FLOOR NEW YORK NY 10022 212-515-2115
Yorktown Energy Partners XI, L.P. (Filed by) CIK: 0001667954 (see all company filings)

IRS No.: 811279864 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13D/A