W.R. Berkley reports 5.2% stake in Armada Acquisition

W. R. Berkley Corporation reported beneficial ownership of 1,233,735 Class A ordinary shares of Armada Acquisition Corp. II, representing 5.2% of the class (CUSIP G0R38G104).

Rhea-AI Filing Summary

W. R. Berkley Corporation reported beneficial ownership of 1,233,735 Class A ordinary shares of Armada Acquisition Corp. II, representing 5.2% of the class (CUSIP G0R38G104). The filing lists shared voting and dispositive power over these 1,233,735 shares.

The disclosure is a Schedule 13G filing that identifies Berkley Insurance Company as holding the same 1,233,735 share position under shared power. Signatures by Richard M. Baio appear on the form.

Key Figures

Shares beneficially owned: 1,233,735 shares Percent of class: 5.2% CUSIP: G0R38G104

3 metrics

Shares beneficially owned 1,233,735 shares Amount beneficially owned per Schedule 13G

Percent of class 5.2% Percent of Class A ordinary shares reported in Item 4(b)

CUSIP G0R38G104 Identifier for Armada Acquisition Corp. II Class A ordinary share

Key Terms

Schedule 13G, Beneficial ownership, Shared voting power

3 terms

Schedule 13G regulatory

"Item 1. | (a) | Name of issuer: Armada Acquisition Corp."

A Schedule 13G is a formal document that investors file with the government when they acquire a large ownership stake in a company, usually for investment purposes rather than control. It helps keep the public informed about who owns significant parts of a company's shares, which can influence how the company is managed and how investors make decisions. Filing this schedule is important for transparency and understanding the ownership landscape of publicly traded companies.

Beneficial ownership financial

"Item 4. | Ownership (a) | Amount beneficially owned: 1,233,735"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Shared voting power corporate

"Item 4. | (ii) Shared power to vote or to direct the vote: 1,233,735"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

FAQ

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

What stake did W.R. Berkley report in Armada Acquisition Corp. II (XRPN)?

W.R. Berkley reported beneficial ownership of 1,233,735 shares, equal to 5.2% of Armada Acquisition Corp. II. The Schedule 13G shows shared voting and dispositive power over the same 1,233,735 shares (CUSIP G0R38G104).

Who holds the shares on behalf of W.R. Berkley in the 13G filing?

Berkley Insurance Company is listed alongside W.R. Berkley as the subsidiary with the reported position. The filing attributes the 1,233,735 share holding to that entity with shared powers.

What voting and disposition powers are reported for the 1,233,735 shares?

The filing reports 0 sole voting power and 1,233,735 shared voting power; likewise 0 sole dispositive power and 1,233,735 shared dispositive power for the reported shares.

When was the Schedule 13G signed and by whom for XRPN?

The form is signed by Richard M. Baio as Executive Vice President and Chief Financial Officer and Treasurer. The signature block shows a signing date of 05/07/2026.

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

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Accepted by SEC EDGAR 05/08/2026 - 04:09 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Armada Acquisition Corp. II

(Name of Issuer)

Class A ordinary share, par value $0.0001 per share

(Title of Class of Securities)

G0R38G104

(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): G0R38G104

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 1,233,735.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,233,735.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,233,735.00

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)

5.2 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP Number(s): G0R38G104

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 1,233,735.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,233,735.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,233,735.00

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)

5.2 %

12

Type of Reporting Person (See Instructions)

CO, IC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Armada Acquisition Corp. II
(b)	Address of issuer's principal executive offices: 382 NE 191st Street, Suite 52895, Miami, Florida, 33179
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 share, par value $0.0001 per share
(e)	CUSIP Number(s): G0R38G104
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: 1,233,735
(b)	Percent of class: 5.2 %
(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: 1,233,735
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,233,735
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.
	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