W. R. Berkley (REEUF) reports 438,546 Class A shares; 5.0% stake

Rhea-AI Filing Summary

CARTESIAN GROWTH CORPORATION ownership disclosure: W. R. Berkley Corporation amended a Schedule 13G to report 438,546 Class A Ordinary Shares, representing 5.0% of the class. The filing lists shared voting and disposition power over these shares and identifies Berkley Insurance Company in the ownership structure.

Insights

Institutional Ownership Specialist

Large institutional holding reported as a passive 5.0% stake.

The filing states 438,546 shares and 5.0% beneficial ownership, with shared voting and dispositive power. This aligns with a passive investor reporting under Schedule 13G/A rather than an active activist schedule.

Key detail: the ownership is shown as shared power through a subsidiary (Berkley Insurance Company), which is common for insurance-parent structures. Future filings may update percent ownership if positions change.

Corporate Governance Analyst

Disclosure clarifies control lines but shows no change in control.

The report specifies 0 sole voting/dispositive power and 438,546 shared voting/dispositive power, indicating collective decision-making rather than individual control. There is no indication of intent to influence management.

Watch for any subsequent amendments that would show changes in power, percentage, or filing type.

Key Figures

Beneficial ownership: 438,546 shares Percent of class: 5.0% CUSIP: G19305112 +2 more

5 metrics

Beneficial ownership 438,546 shares Class A Ordinary Shares

Percent of class 5.0% Class A Ordinary Shares

CUSIP G19305112 Class A Ordinary Shares identifier

Sole voting power 0 shares with sole power to vote

Shared voting power 438,546 shares with shared power to vote

Key Terms

Schedule 13G/A, beneficially owned, shared dispositive power, CUSIP

4 terms

Schedule 13G/A regulatory

"Amendment No. 1 ) CARTESIAN GROWTH CORPORATION"

A Schedule 13G/A is an amended public filing with the U.S. securities regulator that updates a previous Schedule 13G, disclosing when an individual or group holds a substantial (typically over 5%) stake in a company and is claiming a passive, non‑controlling intent. Investors monitor these updates because rising or falling holdings can signal changing confidence, potential future moves, or shifts in voting power — like watching a public ledger where large shareholders quietly adjust their positions.

beneficially owned financial

"Amount beneficially owned: 438,546"

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.

shared dispositive power financial

"Shared Dispositive Power 438,546.00"

CUSIP technical

"Class A Ordinary Shares, par value $0.0001 per share G19305112"

A CUSIP is a nine-character alphanumeric code that uniquely identifies a U.S. or Canadian financial security—such as a stock, bond, or fund share—like a Social Security number for an investment. It matters to investors because brokers, exchanges and record-keepers use the CUSIP to match trades, track ownership, settle transactions and pull accurate records, reducing errors and ensuring money and securities go to the right place.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

CARTESIAN GROWTH CORPORATION II

(Name of Issuer)

Class A Ordinary Shares, par value $0.0001 per share

(Title of Class of Securities)

G19305112

(CUSIP Number)

03/31/2026

(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)

schemaVersion:

SCHEDULE 13G

CUSIP Number(s): G19305112

1

Names of Reporting Persons

W. R. Berkley Corporation

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 438,546.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 438,546.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

438,546.00

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)

5.0 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP Number(s): G19305112

1

Names of Reporting Persons

Berkley Insurance Company

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 438,546.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 438,546.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

438,546.00

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)

5.0 %

12

Type of Reporting Person (See Instructions)

CO, IC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: CARTESIAN GROWTH CORPORATION II
(b)	Address of issuer's principal executive offices: 505 Fifth Avenue, 15th Floor, New York, New York, 10017
Item 2.
(a)	Name of person filing: W. R. Berkley Corporation
(b)	Address or principal business office or, if none, residence: 475 Steamboat Road Greenwich, CT 06830
(c)	Citizenship: US
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(e)	CUSIP No.: G19305112
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: 438,546
(b)	Percent of class: 5.0 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 438,546
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 438,546
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99.1
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 acquired and are held in the ordinary course of business and 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.

W. R. Berkley Corporation

Signature:	/s/ Richard M. Baio
Name/Title:	Richard M. Baio/Executive Vice President and Chief Financial Officer
Date:	05/07/2026

Berkley Insurance Company

Signature:	/s/ Richard M. Baio
Name/Title:	Richard M. Baio/Executive Vice President and Treasurer
Date:	05/07/2026

FAQ

What stake did W. R. Berkley report in CARTESIAN GROWTH CORPORATION (REEUF)?

W. R. Berkley reported beneficial ownership of 438,546 shares, equal to 5.0% of the Class A Ordinary Shares. The Schedule 13G/A shows shared voting and dispositive power via an affiliate, Berkshire Insurance Company.

Does the filing indicate W. R. Berkley has sole voting control of REEUF shares?

No. The filing shows 0 shares of sole voting power and 438,546 shares of shared voting power. Authority appears exercised jointly or through an affiliate rather than by W. R. Berkley alone.

Which entity within the Berkley group is identified as holding REEUF shares?

The Schedule lists Berkley Insurance Company alongside W. R. Berkley Corporation as the subsidiary/classified holder with shared voting and dispositive power over 438,546 shares.

What form did Berkley file to disclose the position in REEUF?

Berkley filed an Amendment No. 1 to Schedule 13G (13G/A) to report the ownership details for Class A Ordinary Shares and the related voting/dispositive powers.

Who signed the Schedule 13G/A for W. R. Berkley in this filing?

The filing is signed by Richard M. Baio in dual capacities as Executive Vice President and Chief Financial Officer, and as Executive Vice President and Treasurer, with signatures dated 05/07/2026.