Major GeoPark (NYSE: GPRK) investor Jaime Gilinski lifts stake to 24.1%

Rhea-AI Filing Summary

GeoPark Limited’s major shareholder Colden Investments S.A., ultimately owned by Jaime Gilinski, increased its position through open-market purchases of common shares. On March 13, 2026, Colden acquired 2,000,000 shares for $17,575,800, and on March 16, 2026 it acquired an additional 505,312 shares for $4,465,000, funded with Gilinski’s personal funds.

Following these transactions, Colden reports beneficial ownership of 15,388,303 GeoPark common shares, representing 23.8% of the class based on 64,625,278 shares outstanding as of March 5, 2026. Including shares held through Spaldy Investments Limited, Gilinski is deemed to beneficially own 15,588,303 shares, or 24.1% of GeoPark’s common shares.

Insights

Equity ownership and governance analyst

Large shareholder lifts GeoPark stake to about one-quarter of shares.

Colden Investments S.A., ultimately controlled by Jaime Gilinski, purchased an additional 2,505,312 GeoPark common shares across two open-market transactions funded with Gilinski’s personal funds. The weighted average prices were $8.80 and $8.84 per share, within disclosed intraday ranges.

After these trades, Colden reports ownership of 23.8% of GeoPark’s outstanding common shares, and Gilinski, through Colden and Spaldy Investments Limited, is deemed to beneficially own 24.1%. This places a single investor near a quarter of the equity, which can influence voting outcomes and corporate governance dynamics.

The percentages are calculated using 64,625,278 common shares outstanding as of March 5, 2026. Future ownership changes or governance actions, if any, would be reflected in subsequent beneficial ownership filings.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D

Under the Securities Exchange Act of 1934

(Amendment No. 1)

GeoPark Limited

(Name of Issuer)

Common Shares, par value $0.001 per share

(Title of Class of Securities)

(CUSIP Number)

Oliverio Lew
1170 Kane Concourse, Suite 500,
Bay Harbor Islands, FL, 33154
305-861-9477

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

03/13/2026

(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 No.

1

Name of reporting person

Colden Investments S.A.

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)

AF

5

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

6

Citizenship or place of organization

PANAMA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 15,388,303.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 15,388,303.00

11

Aggregate amount beneficially owned by each reporting person

15,388,303.00

12

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

13

Percent of class represented by amount in Row (11)

23.8 %

14

Type of Reporting Person (See Instructions)

CO

Comment for Type of Reporting Person:

Rows 8, 10 and 11 reflect the 15,388,303 common shares of GeoPark Limited, an exempted company limited by shares incorporated under the Laws of Bermuda (the "Issuer"), owned by Colden Investments S.A., a Panama sociedad anonima ("Colden"). These shares may be deemed to be beneficially owned by Jaime Gilinski, the sole shareholder and ultimate beneficial owner of Colden.

SCHEDULE 13D

CUSIP No.

1

Name of reporting person

Jaime Gilinski

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)

PF

5

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

6

Citizenship or place of organization

PANAMA

Number of Shares Beneficially Owned by Each Reporting Person With:

7	Sole Voting Power 0.00
8	Shared Voting Power 15,588,303.00
9	Sole Dispositive Power 0.00
10	Shared Dispositive Power 15,588,303.00

11

Aggregate amount beneficially owned by each reporting person

15,588,303.00

12

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

13

Percent of class represented by amount in Row (11)

24.1 %

14

Type of Reporting Person (See Instructions)

IN

Comment for Type of Reporting Person:

Rows 8, 10 and 11 include (i) 15,388,303 common shares of the Issuer owned by Colden, which may be deemed to be beneficially owned by Jaime Gilinski, the sole shareholder and ultimate beneficial owner of Colden and (ii) 200,000 common shares of the Issuer owned by Spaldy Investments Limited, a BVI Business Company existing and operating under the laws of the British Virgin Islands ("Spaldy"), which may be deemed to be beneficially owned by Jaime Gilinski, the sole shareholder and ultimate beneficial owner of Spaldy.

SCHEDULE 13D

Item 1.	Security and Issuer
(a)	Title of Class of Securities: Common Shares, par value $0.001 per share
(b)	Name of Issuer: GeoPark Limited
(c)	Address of Issuer's Principal Executive Offices: Calle 94 No. 11-30, 8 Piso, Bogota, COLOMBIA , 00000.
Item 1 Comment: This Amendment No. 1 amends and supplements the Schedule 13D filed on March 12, 2026 (as amended from time to time, the "Schedule 13D") by Colden Investments S.A., a Panama sociedad anonima ("Colden") and Jaime Gilinski (collectively, the "Reporting Persons"), relating to common shares, par value US$0.001 per share ("Common Shares"), of GeoPark Limited, an exempted company limited by shares incorporated under the Laws of Bermuda (the "Issuer"). Capitalized terms used in this Amendment No. 1 and not otherwise defined shall have the same meanings ascribed to them in the Schedule 13D. Except as specifically amended by this Amendment No. 1, the Schedule 13D is unchanged.
Item 3.	Source and Amount of Funds or Other Consideration
	Item 3 of the Schedule 13D is hereby amended and supplemented by adding the following information: On March 13, 2026, Colden acquired 2,000,000 Common Shares for an aggregate purchase price of $17,575,800. On March 16, 2026, Colden acquired 505,312 Common Shares for an aggregate purchase price of $4,465,000. The source of funds for these acquisitions was the personal funds of Jaime Gilinski.
Item 5.	Interest in Securities of the Issuer
(a)	The information set forth in Rows 11 and 13 of the cover pages to this Schedule 13D is incorporated by reference. The percentage of Common Shares outstanding is calculated based on 64,625,278 Common Shares issued and outstanding as of March 5, 2026, as reported in the Issuer's Form 6-K filed on March 6, 2026.
(b)	The information set forth in Rows 7 through 10 of the cover pages to this Schedule 13D is incorporated by reference.
(c)	Item 5(c) of the Schedule 13D is hereby amended and supplemented by adding the following information: On March 13, 2026, Colden purchased 2,000,000 Common Shares in the open market, at a weighted average price per share of $8.80 (multiple transactions at prices ranging from $8.64 to $8.81, inclusive). On March 16, 2026, Colden purchased 505,312 Common Shares in the open market, at a weighted average price per share of $8.84 (multiple transactions at prices ranging from $8.69 to $8.91, inclusive).

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.

Colden Investments S.A.

Signature:	/s/ Jaime Gilinski
Name/Title:	Jaime Gilinski, Authorized Signatory
Date:	03/16/2026

Jaime Gilinski

Signature:	/s/ Jaime Gilinski
Name/Title:	Jaime Gilinski
Date:	03/16/2026

FAQ

How many GeoPark (GPRK) shares did Colden Investments buy in March 2026?

Colden Investments bought 2,505,312 GeoPark common shares in March 2026. It acquired 2,000,000 shares on March 13 and 505,312 shares on March 16, all in open-market transactions funded with Jaime Gilinski’s personal funds at weighted average prices near $8.80 per share.

What percentage of GeoPark (GPRK) does Colden Investments now beneficially own?

Colden Investments beneficially owns 15,388,303 GeoPark common shares, representing 23.8% of the class. This percentage is based on 64,625,278 common shares outstanding as of March 5, 2026, as reported by GeoPark in a Form 6-K filed on March 6, 2026.

What is Jaime Gilinski’s total beneficial ownership in GeoPark (GPRK)?

Jaime Gilinski is deemed to beneficially own 15,588,303 GeoPark common shares, or 24.1% of the company. This includes 15,388,303 shares held through Colden Investments and 200,000 shares held through Spaldy Investments Limited, both entities ultimately owned by Gilinski.

At what prices did Colden Investments purchase GeoPark (GPRK) shares?

Colden Investments bought 2,000,000 GeoPark shares at a weighted average price of $8.80 and 505,312 shares at $8.84. Each block reflected multiple open-market trades within daily ranges of $8.64–$8.81 and $8.69–$8.91 per share, respectively, on March 13 and March 16, 2026.

How were the recent GeoPark (GPRK) share purchases by Colden funded?

The recent GeoPark share purchases by Colden were funded using the personal funds of Jaime Gilinski. The transactions totaled $17,575,800 for 2,000,000 shares on March 13, 2026, and $4,465,000 for 505,312 shares on March 16, 2026, according to the ownership filing.

What share count did GeoPark (GPRK) use to calculate ownership percentages?

Ownership percentages were calculated using 64,625,278 GeoPark common shares outstanding. This figure reflects shares issued and outstanding as of March 5, 2026, as reported by GeoPark in a Form 6-K filed on March 6, 2026, and underpins the 23.8% and 24.1% stakes disclosed.