Yorktown Energy Partners X, L.P.

Entity
Company
Business address
410 Park Avenue, 20 Th Floor, 10022 New York, NY
Phone
212-515-2115
State of incorporation
DE
Fiscal year end
December 31
Signature 13F
Bryan H. Lawrence - Managing Member of the General Partner's General Partner
Signature Schedule 13D/G
Yorktown Energy Partners X, L.P. - Bryan H Lawrence / Managing Member of the general partner of the general partner
Signature Ownership
By: Yorktown X Company LP, its general partner, By: Yorktown X Associates LLC, its general partner, By: /s/ Robert A. Signorino, Managing Member
All SEC filings
View on sec.gov
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Yorktown Energy Partners X, L.P. has filed 77 SEC EDGAR filings since 5/28/2013

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-17861
SCHEDULE 13D/A Open Document Open Filing Aug 11, 2025
13F-HR Open Document Open Filing May 15, 2025 Mar 31, 2025 028-17861
144 Open Document Open Filing Mar 20, 2025
144 Open Document Open Filing Mar 20, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 14, 2025
13F-HR Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-17861
4 Open Document Open Filing 4 Dec 18, 2024 Dec 16, 2024 001-38090
13F-HR Open Document Open Filing Nov 13, 2024 Sep 30, 2024 028-17861
13F-HR Open Document Open Filing Aug 13, 2024 Jun 30, 2024 028-17861
13F-HR Open Document Open Filing May 15, 2024 Mar 31, 2024 028-17861
4 Open Document Open Filing FORM 4 Apr 10, 2024 Apr 8, 2024 001-15555
13F-HR Open Document Open Filing Feb 14, 2024 Dec 31, 2023 028-17861
4 Open Document Open Filing Jan 22, 2024 Jan 18, 2024 001-15555
4 Open Document Open Filing FORM 4 Jan 17, 2024 Jan 12, 2024 001-15555
4 Open Document Open Filing FORM 4 Jan 11, 2024 Jan 9, 2024 001-15555
SC 13D/A Open Document Open Filing SC 13D/A Dec 8, 2023
4 Open Document Open Filing Nov 16, 2023 Jul 26, 2023 001-15555
13F-HR Open Document Open Filing Nov 14, 2023 Sep 30, 2023 028-17861
144 Open Document Open Filing Nov 13, 2023
144 Open Document Open Filing Nov 13, 2023
13F-HR Open Document Open Filing Aug 14, 2023 Jun 30, 2023 028-17861
4 Open Document Open Filing Jul 18, 2023 Jul 14, 2023 001-15555
13F-HR Open Document Open Filing May 12, 2023 Mar 31, 2023 028-17861
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2023
13F-HR Open Document Open Filing Feb 14, 2023 Dec 31, 2022 028-17861
13F-HR Open Document Open Filing Nov 14, 2022 Sep 30, 2022 028-17861
13F-HR Open Document Open Filing Aug 11, 2022 Jun 30, 2022 028-17861
13F-HR Open Document Open Filing May 16, 2022 Mar 31, 2022 028-17861
13F-HR Open Document Open Filing Feb 14, 2022 Dec 31, 2021 028-17861
13F-HR Open Document Open Filing Nov 15, 2021 Sep 30, 2021 028-17861
4 Open Document Open Filing FORM 4 Oct 15, 2021 Oct 13, 2021 001-15555
13F-HR Open Document Open Filing Aug 16, 2021 Jun 30, 2021 028-17861
4 Open Document Open Filing FORM 4 Jul 30, 2021 Jul 28, 2021 001-15555
13F-HR Open Document Open Filing May 17, 2021 Mar 31, 2021 028-17861
4 Open Document Open Filing FORM 4 - Mar 11, 2021 Mar 10, 2021 001-38090
3 Open Document Open Filing FORM 3 Mar 1, 2021 Feb 26, 2021 001-15555
4 Open Document Open Filing FORM 4 - Feb 26, 2021 Feb 25, 2021 001-38090
SC 13G/A Open Document Open Filing AMENDMENT NO. 2 Feb 16, 2021
13F-HR Open Document Open Filing Feb 16, 2021 Dec 31, 2020 028-17861
13F-HR Open Document Open Filing Nov 16, 2020 Sep 30, 2020 028-17861
13F-HR Open Document Open Filing Aug 14, 2020 Jun 30, 2020 028-17861
13F-HR Open Document Open Filing May 15, 2020 Mar 31, 2020 028-17861
13F-HR Open Document Open Filing Feb 14, 2020 Dec 31, 2019 028-17861
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2020
SC 13G/A Open Document Open Filing SC 13GA Feb 14, 2020
4 Open Document Open Filing FORM 4 Dec 18, 2019 Dec 16, 2019 001-38870
13F-HR Open Document Open Filing Nov 14, 2019 Sep 30, 2019 028-17861
13F-HR Open Document Open Filing Aug 14, 2019 Jun 30, 2019 028-17861
13F-HR Open Document Open Filing May 15, 2019 Mar 31, 2019 028-17861
SC 13G Open Document Open Filing SC 13G May 3, 2019
3 Open Document Open Filing FORM 3 SUBMISSION May 3, 2019 Apr 23, 2019 001-38870
4 Open Document Open Filing FORM 4 SUBMISSION Mar 14, 2019 Mar 12, 2019 001-38090
13F-HR/A Open Document Open Filing Feb 15, 2019 Dec 31, 2018 028-17861
5 Open Document Open Filing FORM 5 SUBMISSION Feb 14, 2019 Dec 31, 2018 001-38005
13F-HR Open Document Open Filing Feb 14, 2019 Dec 31, 2018 028-17861
3 Open Document Open Filing FORM 3 SUBMISSION Dec 31, 2018 Dec 20, 2018 001-38005
13F-HR Open Document Open Filing Nov 14, 2018 Sep 30, 2018 028-17861
13F-HR Open Document Open Filing Aug 14, 2018 Jun 30, 2018 028-17861
13F-HR Open Document Open Filing May 15, 2018 Mar 31, 2018 028-17861
SC 13G Open Document Open Filing SC 13G Feb 14, 2018
13F-HR Open Document Open Filing Feb 14, 2018 Dec 31, 2017 028-17861
4 Open Document Open Filing FORM 4 SUBMISSION Jan 16, 2018 Jan 11, 2018 001-38090
SC 13G Open Document Open Filing SCHEDULE 13G Dec 28, 2017
4 Open Document Open Filing FORM 4 SUBMISSION Nov 15, 2017 Nov 13, 2017 001-38090
13F-HR Open Document Open Filing Nov 14, 2017 Sep 30, 2017 028-17861
13F-HR Open Document Open Filing Aug 14, 2017 Jun 30, 2017 028-17861
3 Open Document Open Filing FORM 3 SUBMISSION May 19, 2017 May 17, 2017 001-38090
13F-HR Open Document Open Filing May 15, 2017 Mar 31, 2017 028-17861
SC 13D Open Document Open Filing SC 13D Feb 21, 2017
13F-HR Open Document Open Filing Feb 14, 2017 Dec 31, 2016 028-17861
4 Open Document Open Filing FORM 4 SUBMISSION Feb 10, 2017 Feb 8, 2017 001-38003
3 Open Document Open Filing FORM 3 SUBMISSION Feb 10, 2017 Feb 8, 2017 001-38003
SC 13D Open Document Open Filing SC 13D Nov 7, 2016
4 Open Document Open Filing FORM 4 SUBMISSION Oct 31, 2016 Oct 26, 2016 001-37907
3 Open Document Open Filing FORM 3 SUBMISSION Oct 11, 2016 Oct 11, 2016 001-37907