0000947871-21-001198.txt : 20211115 0000947871-21-001198.hdr.sgml : 20211115 20211115145433 ACCESSION NUMBER: 0000947871-21-001198 CONFORMED SUBMISSION TYPE: 13F-NT PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20210930 FILED AS OF DATE: 20211115 DATE AS OF CHANGE: 20211115 EFFECTIVENESS DATE: 20211115 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Yorktown X Associates LLC CENTRAL INDEX KEY: 0001687161 IRS NUMBER: 462426405 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-NT SEC ACT: 1934 Act SEC FILE NUMBER: 028-17863 FILM NUMBER: 211409378 BUSINESS ADDRESS: STREET 1: 410 PARK AVENUE STREET 2: 19TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 2125152100 MAIL ADDRESS: STREET 1: 410 PARK AVENUE STREET 2: 19TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 13F-NT 1 primary_doc.xml 13F-NT LIVE false false false 0001687161 XXXXXXXX 09-30-2021 09-30-2021 false Yorktown X Associates LLC

410 PARK AVENUE 19TH FLOOR NEW YORK NY 10022

13F NOTICE 028-17863 0001577919 028-17861 Yorktown Energy Partners X, L.P. 0001688467 028-17862 Yorktown X Co LP Y Yorktown X Company LP is the sole general partner of Yorktown Energy Partners X, L.P. Yorktown X Associates LLC is the sole general partner of Yorktown X Company LP. As a result, Yorktown X Associates LLC may be deemed to have the power to vote or direct the vote or to dispose or direct the disposition of the shares owned by Yorktown Energy Partners X, L.P. Bryan H. Lawrence 212-515-2112 /s/ Bryan H. Lawrence New York NY 11-15-2021