W. R. Berkley (GIG) files Schedule 13G showing 8.7% stake in GigCapital7

Rhea-AI Filing Summary

W. R. Berkley Corporation filed a Schedule 13G disclosing beneficial ownership of 1,735,682 Class A ordinary shares of GigCapital7 Corp., representing 8.7% of that class. The filing reports shared voting power and shared dispositive power over the same 1,735,682 shares, attributed in part to Berkley Insurance Company. The filing lists CUSIP G38648104 and is signed by Richard M. Baio, Executive Vice President and CFO/Treasurer.

Key Figures

Beneficial ownership: 1,735,682 shares Percent of class: 8.7% CUSIP: G38648104 +2 more

5 metrics

Beneficial ownership 1,735,682 shares Amount beneficially owned reported in Item 4

Percent of class 8.7% Percent of Class A ordinary shares reported in Item 4

CUSIP G38648104 Identifier for the Class A ordinary share reported on cover

Shared voting power 1,735,682 shares Shared power to vote reported in Item 4 (ii)

Shared dispositive power 1,735,682 shares Shared power to dispose reported in Item 4 (iv)

Key Terms

Schedule 13G, Beneficially owned, Shared dispositive power

3 terms

Schedule 13G regulatory

"W. R. Berkley Corporation filed a Schedule 13G disclosing beneficial ownership"

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.

Beneficially owned financial

"Amount beneficially owned: 1,735,682 (b) Percent of class: 8.7 %"

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 regulatory

"Shared Dispositive Power 1,735,682.00"

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Accepted by SEC EDGAR 05/07/2026 - 05:59 PM Learn about SEC filing dates

FAQ

What stake does W. R. Berkley hold in GigCapital7 (GIG)?

W. R. Berkley beneficially owns 1,735,682 shares, equal to 8.7% of GigCapital7 Class A ordinary shares. The filing identifies shared voting and dispositive power over those shares via Berkley entities.

Which entities are named as holders or filers in the Schedule 13G for GIG?

The Schedule 13G lists W. R. Berkley Corporation as the reporting person and references Berkley Insurance Company as the subsidiary with shared power over the reported 1,735,682 shares of GigCapital7.

What type of ownership power does W. R. Berkley report on the filing?

The filing reports 0 shares with sole voting or dispositive power and 1,735,682 shares with shared voting and shared dispositive power, indicating joint control rather than sole control over the holdings.

When and who signed the Schedule 13G for GigCapital7 (GIG)?

The Schedule 13G is signed by Richard M. Baio, Executive Vice President and Chief Financial Officer and Treasurer, with signature dates shown as 05/07/2026 on the filing.

What security is reported on the Schedule 13G for GIG?

The filing covers GigCapital7 Class A ordinary shares, par value $0.0001 per share, with CUSIP G38648104, and reports the beneficial ownership and voting/dispositive power for that class.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

GigCapital7 Corp.

(Name of Issuer)

Class A ordinary share, par value $0.0001 per share

(Title of Class of Securities)

G38648104

(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): G38648104

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 1,735,682.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,735,682.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,735,682.00

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)

8.7 %

12

Type of Reporting Person (See Instructions)

CO

SCHEDULE 13G

CUSIP Number(s): G38648104

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 1,735,682.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,735,682.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,735,682.00

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)

8.7 %

12

Type of Reporting Person (See Instructions)

CO, IC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: GigCapital7 Corp.
(b)	Address of issuer's principal executive offices: 1731 Embarcadero Rd., Suite 200, Palo Alto, California, 94303
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): G38648104
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: 1,735,682
(b)	Percent of class: 8.7 %
(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: 1,735,682
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,735,682
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