0001011438-23-000628.txt : 20231114 0001011438-23-000628.hdr.sgml : 20231114 20231114154056 ACCESSION NUMBER: 0001011438-23-000628 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 2 CONFORMED PERIOD OF REPORT: 20230930 FILED AS OF DATE: 20231114 DATE AS OF CHANGE: 20231114 EFFECTIVENESS DATE: 20231114 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Yorktown Energy Partners X, L.P. CENTRAL INDEX KEY: 0001577919 IRS NUMBER: 462445852 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-17861 FILM NUMBER: 231405299 BUSINESS ADDRESS: STREET 1: 410 PARK AVENUE STREET 2: 20TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 BUSINESS PHONE: 212-515-2115 MAIL ADDRESS: STREET 1: 410 PARK AVENUE STREET 2: 20TH FLOOR CITY: NEW YORK STATE: NY ZIP: 10022 13F-HR 1 primary_doc.xml X0202 13F-HR LIVE 0001577919 XXXXXXXX 09-30-2023 09-30-2023 false Yorktown Energy Partners X, L.P.

410 PARK AVENUE 20TH FLOOR NEW YORK NY 10022

13F HOLDINGS REPORT 028-17861 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 and Yorktown X Company LP 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 11-14-2023 2 5 133739579 1 0001687161 028-17863 Yorktown X Associates LLC 2 0001688467 028-17862 Yorktown X Co LP INFORMATION TABLE 2 informationtable.xml RAMACO RES INC COM CL A 75134P600 40584762 3692881 SH DFND 1,2 3692881 0 0 RAMACO RES INC COM CL B 75134P501 8811212 738576 SH DFND 1,2 738576 0 0 RILEY EXPLORATION PERMIAN IN COM 76665T102 12425439 390860 SH DFND 1,2 390860 0 0 SITIO ROYALTIES CORP CLASS A COM 82983N108 5275528 217907 SH DFND 1,2 217907 0 0 SOUTHWESTERN ENERGY CO COM 845467109 66642638 10332192 SH DFND 1,2 10332192 0 0