Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000899243-18-009809
Filing Date
2018-04-09
Accepted
2018-04-09 21:14:09
Documents
1
Period of Report
2018-02-01

Document Format Files

Seq Description Document Type Size
1 FORM 4 SUBMISSION doc4.html 4  
1 FORM 4 SUBMISSION doc4.xml 4 9887
  Complete submission text file 0000899243-18-009809.txt   11520
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 (Issuer) CIK: 0000086264 (see all company filings)

EIN.: 260818050 | State of Incorp.: DE | Fiscal Year End: 1231
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. (Reporting) CIK: 0001667954 (see all company filings)

State of Incorp.: DE | Fiscal Year End: 1231
Type: 4 | Act: 34 | File No.: 000-02040 | Film No.: 18746703