W. R. Berkley reports 5.7% stake in Copley Acquisition

Accepted by SEC EDGAR 05/07/2026 - 05:44 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

W. R. Berkley Corporation filed an amendment to a Schedule 13G disclosing beneficial ownership of 1,027,624 Class A ordinary shares of Copley Acquisition Corp. The filing reports 5.7% of the class with shared voting and shared dispositive power of 1,027,624 shares. The CUSIP is G24243100. The cover shows a 03/31/2026 reporting date and the amendment was signed on 05/07/2026.

Key Figures

Beneficial ownership: 1,027,624 shares Percent of class: 5.7% CUSIP: G24243100 +4 more

7 metrics

Beneficial ownership 1,027,624 shares Class A ordinary shares

Percent of class 5.7% as reported on Schedule 13G/A

CUSIP G24243100 Class A ordinary shares identifier

Shared voting power 1,027,624 shares reported shared voting power

Shared dispositive power 1,027,624 shares reported shared dispositive power

Reporting date 03/31/2026 reporting period shown on cover

Signature date 05/07/2026 amendment signed by Richard M. Baio

Key Terms

Schedule 13G/A, Beneficial ownership, Shared dispositive power, CUSIP, +1 more

5 terms

Schedule 13G/A regulatory

"Amendment No. 1 Copley Acquisition Corp Class A ordinary shares"

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.

Beneficial ownership financial

"Amount beneficially owned: 1,027,624 (b) Percent of class: 5.7 %"

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 dispositive power financial

"Shared Dispositive Power 1,027,624.00"

CUSIP regulatory

"Class A ordinary shares, par value $0.0001 per share G24243100"

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.

Parent holding company exhibit regulatory

"See Exhibit 99.1 identification of the relevant subsidiary"

FAQ

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

What stake does W. R. Berkley report in COPL?

W. R. Berkley reports beneficial ownership of 1,027,624 shares, representing 5.7% of the class. The filing lists shared voting and shared dispositive power for 1,027,624 shares with CUSIP G24243100 and cites a 03/31/2026 reporting date.

What does shared voting and shared dispositive power mean in this Schedule 13G/A?

Shared voting and shared dispositive power indicate the filer shares authority to vote and dispose of the shares. The amendment states both shared voting and shared dispositive power for 1,027,624 shares, showing collective control rather than sole authority.

Is this a change or an initial filing for COPL ownership?

This document is an amendment (Schedule 13G/A), indicating an update to a prior filing. The header notes "Amendment No. 1" and the amendment was signed on 05/07/2026, with the reporting date shown as 03/31/2026.

Who is the reporting entity on the Schedule 13G/A for COPL?

The reporting entity is W. R. Berkley Corporation. The filing lists its principal business address at 475 Steamboat Road, Greenwich, CT, and identifies Berkley Insurance Company in connection with the disclosed holdings.

Which security class and CUSIP are reported in the amendment?

The filing covers Class A ordinary shares, par value $0.0001, CUSIP G24243100. The Schedule 13G/A explicitly labels the class and par value alongside the CUSIP and the reported share count of 1,027,624.

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

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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

Copley Acquisition Corp

(Name of Issuer)

Class A ordinary shares, par value $0.0001 per share

(Title of Class of Securities)

G24243100

(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): G24243100

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 1,027,624.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,027,624.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,027,624.00

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)

5.7 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP Number(s): G24243100

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 1,027,624.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,027,624.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,027,624.00

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)

5.7 %

12

Type of Reporting Person (See Instructions)

CO, IC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Copley Acquisition Corp
(b)	Address of issuer's principal executive offices: Suite 4005-4006,40/F,One Exchange Square, 8 Connaught Place, Central, Hong Kong, Hong Kong, 000000
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.: G24243100
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: 1,027,624
(b)	Percent of class: 5.7 %
(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: 1,027,624
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,027,624
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