Parex updates GeoPark stake, drops board nominees

Parex Resources Inc. filed Amendment No. 4 to its Schedule 13D on GeoPark Ltd, updating its ownership and governance intentions.

Rhea-AI Filing Summary

Parex Resources Inc. filed Amendment No. 4 to its Schedule 13D on GeoPark Ltd, updating its ownership and governance intentions. Parex reports beneficial ownership of 6,085,086 common shares, representing 9.4% of GeoPark’s outstanding common shares, based on 64,678,772 shares outstanding as of March 19, 2026.

On April 8, 2026, Parex withdrew its prior nomination of six independent candidates for GeoPark’s board at the 2026 annual general meeting. It no longer intends to solicit proxies against current board members under that campaign, and related nomination and indemnification agreements with the nominees have been terminated.

Insights

Governance & activism analyst

Parex keeps a 9.4% GeoPark stake but ends its board challenge.

Parex Resources Inc. continues to hold 6,085,086 GeoPark common shares, or 9.4% of the class, maintaining a sizeable minority position. The filing clarifies voting and dispositive power remains solely with Parex over these shares.

The notable change is strategic: on April 8, 2026 Parex withdrew its slate of six independent director nominees and ended plans to solicit proxies against current board members. This shifts the situation from an active board contest toward a more passive ownership stance, with future intentions to be inferred from subsequent disclosures.

Key Figures

Beneficial ownership: 6,085,086 shares Ownership percentage: 9.4% Shares outstanding: 64,678,772 shares +3 more

6 metrics

Beneficial ownership 6,085,086 shares GeoPark common shares beneficially owned by Parex Resources Inc.

Ownership percentage 9.4% Percent of GeoPark common shares class represented by Parex’s holdings

Shares outstanding 64,678,772 shares GeoPark common shares outstanding as of March 19, 2026

Sole voting power 6,085,086 shares Shares over which Parex has sole voting power

Event date April 8, 2026 Date Parex withdrew its GeoPark board nominations

Amendment number Amendment No. 4 Amendment to Parex’s Schedule 13D on GeoPark

Key Terms

beneficially owned, sole voting power, sole dispositive power, Schedule 13D, +2 more

6 terms

beneficially owned financial

"The aggregate number and percentage of the Common Shares that are beneficially owned by the Reporting Person"

Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.

sole voting power financial

"Number of Shares Beneficially Owned by Each Reporting Person With: Sole Voting Power 6,085,086.00"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

sole dispositive power financial

"Number of Shares Beneficially Owned by Each Reporting Person With: Sole Dispositive Power 6,085,086.00"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

Schedule 13D regulatory

"If the filing person has previously filed a statement on Schedule 13G to report the acquisition"

A Schedule 13D is a legal document that investors file with regulators when they buy a large enough stake in a company to potentially influence its management or decisions. It provides details about the investor’s intention, ownership stake, and plans, helping other investors understand who is gaining control and what their motives might be.

annual general meeting financial

"for election to the Board of Directors of the Company at the Company's 2026 annual general meeting"

proxy solicitation financial

"no longer intends to solicit proxies against an equal number of current members of the Board"

Proxy solicitation is the process of asking shareholders for permission to vote their shares on corporate matters, usually by sending voting forms or requests by mail, email or phone. Investors should watch proxy solicitations because they signal attempts to change control, influence board elections or approve big deals — like neighbors organizing votes on a shared building project — and the outcome can materially affect a company’s strategy and stock value.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What percentage of GeoPark (GPRK) does Parex Resources currently report owning?

Parex Resources reports beneficial ownership of 9.4% of GeoPark’s common shares. This is based on 6,085,086 shares held versus 64,678,772 GeoPark common shares outstanding as of March 19, 2026, according to the company’s Form 20-F.

How many GeoPark (GPRK) shares does Parex Resources beneficially own?

Parex Resources beneficially owns 6,085,086 GeoPark common shares. It has sole voting and sole dispositive power over all of these shares, with no shared voting or shared dispositive power reported in the amended Schedule 13D filing.

What key change did Parex Resources disclose about its plans for GeoPark’s board?

Parex Resources disclosed that it withdrew its prior nomination of six independent candidates for GeoPark’s board. It no longer intends to solicit proxies against an equal number of current board members and terminated related nomination and indemnification agreements with those nominees.

When did the event triggering this Schedule 13D/A Amendment No. 4 for GeoPark (GPRK) occur?

The triggering event occurred on April 8, 2026. On that date, Parex Resources withdrew its slate of six independent director nominees for GeoPark’s 2026 annual general meeting and updated its intentions regarding proxy solicitation and related nomination agreements.

How was the 9.4% ownership figure for GeoPark (GPRK) calculated in Parex’s filing?

The 9.4% ownership figure is calculated using 6,085,086 GeoPark common shares beneficially owned by Parex divided by 64,678,772 common shares outstanding as of March 19, 2026, as disclosed in GeoPark’s Annual Report on Form 20-F dated March 31, 2026.

Does Parex Resources share voting or dispositive power over its GeoPark (GPRK) shares?

No. Parex Resources reports having sole voting power and sole dispositive power over all 6,085,086 GeoPark common shares it beneficially owns. The amended Schedule 13D shows zero shared voting power and zero shared dispositive power.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 04/09/2026 - 08:44 AM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 4)

GeoPark Ltd

(Name of Issuer)

Common shares, par value US$0.001 per share

(Title of Class of Securities)

G38327105

(CUSIP Number)

Cameron Grainger
585 8th Av. SW, 2700 Eighth Avenue Place, West Tower
Calgary, A0, T2P 1G1
(403) 237-1708

(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)

04/08/2026

(Date of Event Which Requires Filing of This Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of §§ 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

schemaVersion:

SCHEDULE 13D

CUSIP Number(s): G38327105

1

Name of reporting person

Parex Resources Inc.

2

Check the appropriate box if a member of a Group (See Instructions)

(a)
(b)

3

SEC use only

4

Source of funds (See Instructions)

WC

5

Check if disclosure of legal proceedings is required pursuant to Items 2(d) or 2(e)

6

Citizenship or place of organization

ALBERTA, CANADA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 6,085,086.00
8	Shared Voting Power 0.00
9	Sole Dispositive Power 6,085,086.00
10	Shared Dispositive Power 0.00

11

Aggregate amount beneficially owned by each reporting person

6,085,086.00

12

Check if the aggregate amount in Row (11) excludes certain shares (See Instructions)

13

Percent of class represented by amount in Row (11)

9.4 %

14

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common shares, par value US$0.001 per share
(b)	Name of Issuer: GeoPark Ltd
(c)	Address of Issuer's Principal Executive Offices: Calle 94 No 11-30, 8 Piso, Bogota, COLOMBIA , 00000.
Item 1 Comment: This Amendment No. 4 to Schedule 13D ("Amendment No. 4") relates to the Schedule 13D filed on October 29, 2025 (as amended by Amendment No. 1 dated December 11, 2025, Amendment No. 2 dated February 23, 2026 and Amendment No. 3 dated March 12, 2026, the "Schedule 13D") by Parex Resources Inc., an Alberta corporation (the "Reporting Person"), relating to the Common Shares, par value US$0.001 per share (the "Common Shares"), of GeoPark Limited, an exempted company incorporated under the laws of Bermuda (the "Company"), whose principal executive offices are located at Calle 94 No 11-30, 8 Piso, Bogota, Colombia, 00000. Except as specifically amended by this Amendment No. 4, the Schedule 13D is unchanged.
Item 4.	Purpose of Transaction
	Item 4 of the Schedule 13D is hereby amended and supplemented by adding the following information: On April 8, 2026, the Reporting Person withdrew its prior nomination (the "Nomination") of six independent candidates for election to the Board of Directors of the Company (the "Board") at the Company's 2026 annual general meeting. As a result (i) the Reporting Person no longer intends to solicit proxies against an equal number of current members of the Board to prevent their reelection to the Board and does not currently intend to pursue the plans or proposals previously disclosed in connection with the Nomination, and (ii) the respective director nomination and indemnification agreements between the Reporting Person and each director nominee have been terminated.
Item 5.	Interest in Securities of the Issuer
(a)	The aggregate number and percentage of the Common Shares that are beneficially owned by the Reporting Person and as to which the Reporting Person has sole voting power, shared voting power, sole dispositive power and shared dispositive power are set forth on the cover page of this Statement, and such information is incorporated herein by reference. The percentage used herein is calculated based on an aggregate of 64,678,772 Common Shares outstanding as of March 19, 2026, based on the information contained in the Company's Annual Report on Form 20-F dated March 31, 2026.
(b)	The information in Item 5(a) of this Statement is incorporated herein by reference.

SIGNATURE

After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

Parex Resources Inc.

Signature:	/s/ Cameron Grainger
Name/Title:	Cameron Grainger
Date:	04/09/2026