Fourth Sail group discloses 6.27% stake in GeoPark (GPRK)

Rhea-AI Filing Summary

GeoPark Ltd ownership update: a group of affiliated entities led by Fourth Sail Capital reports beneficial ownership of 16,162,925 ordinary shares, representing 6.27% of the class. The filing lists shared voting and dispositive power across the group.

Issuer headquarters are shown as Calle 94 No. 11-30, Bogotá, Colombia. The filing provides per-entity shared holdings, including Fourth Sail Capital LP 3,232,585 and Fourth Sail Long Short LLC 2,827,054.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

GeoPark Ltd

(Name of Issuer)

Ordinary Shares

(Title of Class of Securities)

G38327105

(CUSIP Number)

10/13/2025

(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

Rule 13d-1(b)

Rule 13d-1(c)

Rule 13d-1(d)

SCHEDULE 13G

CUSIP No. G38327105

1

Names of Reporting Persons

Fourth Sail Capital LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

CAYMAN ISLANDS

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 3,232,585.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,232,585.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,232,585.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.27 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. G38327105

1

Names of Reporting Persons

Ariel Merenstein

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 3,232,585.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,232,585.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,232,585.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.27 %

12

Type of Reporting Person (See Instructions)

IN

SCHEDULE 13G

CUSIP No. G38327105

1

Names of Reporting Persons

Fourth Sail Capital US LP

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 3,232,585.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,232,585.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,232,585.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.27 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP No. G38327105

1

Names of Reporting Persons

Tordesilhas Capital Gestora De Recursos Ltda.

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

BRAZIL

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 3,232,585.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 3,232,585.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

3,232,585.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

6.27 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. G38327105

1

Names of Reporting Persons

Fourth Sail Long Short LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 2,827,054.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 2,827,054.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

2,827,054.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

5.48 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

CUSIP No. G38327105

1

Names of Reporting Persons

Fourth Sail Discovery LLC

2

Check the appropriate box if a member of a Group (see instructions)

(a)
(b)

3

Sec Use Only

4

Citizenship or Place of Organization

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 405,531.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 405,531.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

405,531.00

10

Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

11

Percent of class represented by amount in row (9)

0.79 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: GeoPark Ltd
(b)	Address of issuer's principal executive offices: CALLE 94 NO. 11-30 8 PISO, BOGOTA, COLOMBIA 00000
Item 2.
(a)	Name of person filing: Fourth Sail Capital LP Ariel Merenstein Fourth Sail Capital US LP Tordesilhas Capital Gestora De Recursos Ltda. Fourth Sail Long Short LLC Fourth Sail Discovery LLC
(b)	Address or principal business office or, if none, residence: 10 MARKET STREET #754 GRAND CAYMAN, Cayman Islands KY1-9006
(c)	Citizenship: Fourth Sail Capital LP - CAYMAN ISLANDS Ariel Merenstein - UNITED STATES Fourth Sail Capital US LP - DELAWARE Tordesilhas Capital Gestora De Recursos Ltda. - BRAZIL Fourth Sail Long Short LLC - DELAWARE Fourth Sail Discovery LLC - DELAWARE
(d)	Title of class of securities: Ordinary Shares
(e)	CUSIP No.: G38327105
Item 3.	If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)	Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)	Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)	Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)	Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)	An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)	An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)	A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)	A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)	A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)	A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J), please specify the type of institution:
(k)	Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.	Ownership
(a)	Amount beneficially owned: 16,162,925
(b)	Percent of class: 6.27 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: Fourth Sail Capital LP - 0 Ariel Merenstein - 0 Fourth Sail Capital US LP - 0 Tordesilhas Capital Gestora De Recursos Ltda. - 0 Fourth Sail Long Short LLC - 0 Fourth Sail Discovery LLC - 0
	(ii) Shared power to vote or to direct the vote: Fourth Sail Capital LP - 3,232,585 Ariel Merenstein - 3,232,585 Fourth Sail Capital US LP - 3,232,585 Tordesilhas Capital Gestora De Recursos Ltda. - 3,232,585 Fourth Sail Long Short LLC - 2,827,054 Fourth Sail Discovery LLC - 405,531
	(iii) Sole power to dispose or to direct the disposition of: Fourth Sail Capital LP - 0 Ariel Merenstein - 0 Fourth Sail Capital US LP - 0 Tordesilhas Capital Gestora De Recursos Ltda. - 0 Fourth Sail Long Short LLC - 0 Fourth Sail Discovery LLC - 0
	(iv) Shared power to dispose or to direct the disposition of: Fourth Sail Capital LP - 3,232,585 Ariel Merenstein - 3,232,585 Fourth Sail Capital US LP - 3,232,585 Tordesilhas Capital Gestora De Recursos Ltda. - 3,232,585 Fourth Sail Long Short LLC - 2,827,054 Fourth Sail Discovery LLC - 405,531
Item 5.	Ownership of 5 Percent or Less of a Class.
	Not Applicable
Item 6.	Ownership of more than 5 Percent on Behalf of Another Person.
	Not Applicable
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10.

Certifications:

By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.

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.

Fourth Sail Capital LP

Signature:	Thiago Doria
Name/Title:	Authorized Person
Date:	02/23/2026

Ariel Merenstein

Signature:	Thiago Doria
Name/Title:	Attorney in fact
Date:	02/23/2026

Fourth Sail Capital US LP

Signature:	Thiago Doria
Name/Title:	Authorized Person
Date:	02/23/2026

Tordesilhas Capital Gestora De Recursos Ltda.

Signature:	Tathiana Azevedo
Name/Title:	Authorized Person
Date:	02/23/2026

Fourth Sail Long Short LLC

Signature:	Thiago Doria
Name/Title:	Authorized Person
Date:	02/23/2026

Fourth Sail Discovery LLC

Signature:	Thiago Doria
Name/Title:	Authorized Person
Date:	02/23/2026

FAQ

What stake does Fourth Sail report in GeoPark (GPRK)?

Fourth Sail reports beneficial ownership of 16,162,925 ordinary shares, equal to 6.27% of the class. The filing aggregates holdings across affiliated entities and shows shared voting and dispositive power for those shares.

Which Fourth Sail entities hold shares in GPRK and how many?

The filing lists affiliated filers including Fourth Sail Capital LP and Fourth Sail Long Short LLC. It shows Fourth Sail Capital LP 3,232,585 and Fourth Sail Long Short LLC 2,827,054 as examples of shared holdings among the group.

Does Fourth Sail report sole voting or dispositive power over GPRK shares?

No. The filing shows 0 sole voting power and 0 sole dispositive power for the listed entities; voting and dispositive powers are reported as shared across the group for the disclosed share amounts.

Where is GeoPark's principal executive office listed in the filing?

The filing lists the issuer's principal executive office as Calle 94 No. 11-30, 8 Piso, Bogotá, Colombia. This address is presented in the issuer identification section of the Schedule 13G/A.

When was the Schedule 13G/A signed and by whom?

The signatures shown in the excerpt are dated 02/23/2026 and include Thiago Doria and Tathiana Azevedo as authorized persons and attorney-in-fact for the filers listed.