[6-K] GeoPark Ltd Current Report (Foreign Issuer)

Rhea-AI Filing Summary

GeoPark Limited completed its previously announced acquisition from Pluspetrol of a 100% operated working interest in the Loma Jarillosa Este and Puesto Silva Oeste blocks in the black oil window of Vaca Muerta, Neuquén, Argentina. With provincial decrees DECTO-2025-1226 and DECTO-2025-1270 issued, all required approvals have been obtained, public deeds executed, and operatorship initiated.

At closing, GeoPark paid total consideration of $115 million, comprising a $22.7 million security deposit and a $92.3 million balance, subject to customary price adjustments. As set out in the Actas Acuerdo, GeoPark transferred a 5% working interest in the Puesto Silva Oeste block to Gas y Petróleo del Neuquén (GyP), which joins as a strategic partner. Management emphasized disciplined investment and a long-term commitment to Argentina as operations begin on these two high-quality blocks.

Insights

Energy M&A analyst

Acquisition closed for $115 million with approvals secured.

GeoPark finalized the purchase of two Vaca Muerta blocks and began operatorship after Neuquén issued decrees approving the transfer. The transaction consideration totals $115 million, consisting of a $22.7 million deposit and a $92.3 million balance, subject to customary adjustments.

The structure includes a 5% working interest in Puesto Silva Oeste transferred to GyP, aligning with prior agreements and adding a local partner. Formal public deeds were executed to complete the concession transfers, indicating administrative completion.

Investor impact will depend on development performance and realized economics of these blocks. Subsequent disclosures may provide production plans, capex, and timelines tied to Vaca Muerta development.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16

OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of October 2025

Commission File Number: 001-36298

GeoPark Limited

(Exact name of registrant as specified in its charter)

Calle 94 N° 11-30 8° piso

Bogota, Colombia

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

Form 20-F X Form 40-F

GEOPARK LIMITED

TABLE OF CONTENTS

ITEM
1.	Press Release dated October 16, 2025 titled “GeoPark Completes Acquisition in Vaca Muerta and Initiates Operatorship of Two High-Quality Blocks”

Item 1

FOR IMMEDIATE DISTRIBUTION

GEOPARK COMPLETES ACQUISITION IN VACA MUERTA AND INITIATES

OPERATORSHIP OF TWO HIGH-QUALITY BLOCKS

Bogota, Colombia – October 16, 2025 – GeoPark Limited (“GeoPark” or the “Company”) (NYSE: GPRK), a leading independent energy company with over 20 years of successful operations across Latin America, today announced the completion of its previously announced acquisition from Pluspetrol S.A. (“Pluspetrol”) of a 100% operated working interest (“WI”) in the Loma Jarillosa Este and Puesto Silva Oeste blocks, located in the black oil window of the Vaca Muerta formation in Neuquén Province, Argentina.

The Government of Neuquén Province has issued two decrees—DECTO-2025-1226 for the Loma Jarillosa Este Block and DECTO-2025-1270 for the Puesto Silva Oeste Block—and with the issuance of such decrees, all required governmental and regulatory approvals with respect to the acquisition have now been obtained. As per the terms and conditions of the Actas Acuerdo (“Deeds of Agreement”) previously announced, GeoPark has also transferred a 5% WI in the Puesto Silva Oeste Block; to Gas y Petróleo del Neuquén S.A (“GyP”), which joins GeoPark as a strategic partner in the development of this asset.

Following the issuance of the above-mentioned decrees, GeoPark and Pluspetrol have executed public deeds formalizing the transfer of the concessions. As part of the closing, GeoPark has disbursed the remaining balance of the purchase price¹, for a total consideration of $115 million².

The prompt completion of this transaction highlights the strong collaboration between GeoPark, Pluspetrol, GyP, and the Government of Neuquén Province, as well as GeoPark’s long-term commitment to Argentina, disciplined investment, operational excellence, and close partnership with local stakeholders.

Felipe Bayon, Chief Executive Officer of GeoPark, said: “This closing marks an important milestone for GeoPark as we officially become operators in Vaca Muerta. We thank the Government of Neuquén Province, Pluspetrol, and GyP for their trust and partnership throughout this process. Our teams are already on the ground and are ready to deliver on our commitments and develop these assets with the operational and financial excellence, environmental stewardship, and social responsibility that define GeoPark.”

¹ Including a security deposit of $22.7 million and $92.3 million balance payment.

² Amount subject to customary price adjustments.

For further information, please contact:
INVESTORS:
Maria Catalina Escobar Shareholder Value and Capital Markets Director	mescobar@geo-park.com
Miguel Bello Investor Relations Officer	mbello@geo-park.com
Maria Alejandra Velez Investor Relations Leader	mvelez@geo-park.com

MEDIA:

Communications Department communications@geo-park.com

NOTICE

Additional information about GeoPark can be found in the Invest with Us section of the website at www.geo-park.com

CAUTIONARY STATEMENTS RELEVANT TO FORWARD-LOOKING INFORMATION

This press release contains statements that constitute forward-looking statements. Many of the forward-looking statements contained in this press release can be identified by the use of forward-looking words such as ‘‘anticipate,’’ ‘‘believe’’, ‘‘could,’’ ‘‘expect,’’ ‘‘should,’’ ‘‘plan,’’ ‘‘intend,’’ ‘‘will,’’ ‘‘estimate’’ and ‘‘potential,’’ among others.

Forward-looking statements that appear in a number of places in this press release include, but are not limited to, statements regarding the intent, belief or current expectations, regarding various matters including the Company’s long-term commitments, investment strategy, operational and financial performance as well as the Company’s goals with respect to environmental and social responsibility matters. Forward-looking statements are based on management’s beliefs and assumptions, and on information currently available to the management. Such statements are subject to risks and uncertainties, and actual results may differ materially from those expressed or implied in the forward-looking statements due to various factors.

Forward-looking statements speak only as of the date they are made, and the Company does not undertake any obligation to update them in light of new information or future developments or to release publicly any revisions to these statements in order to reflect later events or circumstances or to reflect the occurrence of unanticipated events. For a discussion of the risks facing the Company which could affect whether these forward-looking statements are realized, see the Company’s filings with the U.S. Securities and Exchange Commission (SEC).

2 

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	GeoPark Limited
	By:	/s/ Jaime Caballero Uribe
		Name:	Jaime Caballero Uribe
		Title:	Chief Financial Officer

Date: October 17, 2025

FAQ

What did GeoPark (GPRK) acquire in Argentina?

GeoPark acquired a 100% operated working interest in the Loma Jarillosa Este and Puesto Silva Oeste blocks in the Vaca Muerta formation.

What was the purchase price for GeoPark’s Vaca Muerta acquisition?

Total consideration was $115 million, including a $22.7 million security deposit and a $92.3 million balance, subject to customary adjustments.

Were regulatory approvals obtained for GPRK’s acquisition?

Yes. Neuquén issued decrees DECTO-2025-1226 (Loma Jarillosa Este) and DECTO-2025-1270 (Puesto Silva Oeste), completing all required approvals.

Did GeoPark transfer any interest to a partner?

Yes. GeoPark transferred a 5% working interest in the Puesto Silva Oeste block to Gas y Petróleo del Neuquén (GyP), which joins as a strategic partner.

Has GeoPark initiated operatorship of the acquired blocks?

Yes. Following approvals and deed execution, GeoPark initiated operatorship of both blocks.

Where are the acquired assets located within Vaca Muerta?

They are in the black oil window of the Vaca Muerta formation in Neuquén Province, Argentina.