0001213900-18-004181.txt : 20180409 0001213900-18-004181.hdr.sgml : 20180409 20180409162432 ACCESSION NUMBER: 0001213900-18-004181 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20171228 FILED AS OF DATE: 20180409 DATE AS OF CHANGE: 20180409 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Pierce Mark Duane CENTRAL INDEX KEY: 0001540715 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 000-02040 FILM NUMBER: 18745810 MAIL ADDRESS: STREET 1: 1700 BROADWAY, SUITE 1170 CITY: DENVER STATE: CO ZIP: 80290 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: Carbon Natural Gas Co CENTRAL INDEX KEY: 0000086264 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 260818050 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 1700 BROADWAY, SUITE 1170 CITY: DENVER STATE: CO ZIP: 80290 BUSINESS PHONE: 720-407-7043 MAIL ADDRESS: STREET 1: 1700 BROADWAY, SUITE 1170 CITY: DENVER STATE: CO ZIP: 80290 FORMER COMPANY: FORMER CONFORMED NAME: ST LAWRENCE SEAWAY CORP DATE OF NAME CHANGE: 19920703 4 1 f4122817pierce-carbonnatural.xml OWNERSHIP DOCUMENT X0306 4 2017-12-28 0 0000086264 Carbon Natural Gas Co CRBO 0001540715 Pierce Mark Duane 2480 FORTUNE DRIVE, SUITE 300 LEXINGTON KY 40509 0 1 0 0 PRESIDENT COMMON STOCK 2017-12-28 4 F 0 8193 7.28 D 79903 D COMMON STOCK 2018-04-05 4 A 0 10000 0 A 89903 D COMMON STOCK 2018-04-05 4 A 0 18750 0 A 108653 D Restricted stock grant. Reflects the acquisition of shares of Common Stock upon the satisfaction of certain performance criteria. /s/Kevin D. Struzeski, by power of attorney 2018-04-09