Clear Street LLC takes 15.5% stake in Chain Bridge I (CBGGF)

Rhea-AI Filing Summary

Chain Bridge I reports a Schedule 13G showing Clear Street LLC beneficially owns 405,467 shares of Common Stock (CUSIP G2061X102), representing 15.5% of the class as of 05/05/2026. The filing states Clear Street has sole voting and dispositive power over these shares.

Insights

Equity Ownership Analyst

Clear Street LLC holds a notable passive stake of 15.5% with sole voting and dispositive power.

Context: The filing lists 405,467 shares and 15.5% beneficial ownership as of 05/05/2026. The filer is identified as Clear Street LLC with an address in New York and a signature by John DiBacco.

Implications: This Schedule 13G-style disclosure records a significant passive ownership position; any future changes in holdings or voting arrangements would be reported in subsequent filings.

Key Figures

Shares beneficially owned: 405,467 shares Percent of class: 15.5% Form type: Schedule 13G +2 more

5 metrics

Shares beneficially owned 405,467 shares Amount beneficially owned reported on Schedule 13G

Percent of class 15.5% Percent of class reported as of 05/05/2026

Form type Schedule 13G Filing type for beneficial ownership disclosure

CUSIP G2061X102 Identifier for Chain Bridge I common stock

Filing date / signature 05/05/2026 Date shown with signature by John DiBacco

Key Terms

Schedule 13G, Beneficially owned, Sole dispositive power, CUSIP

4 terms

Schedule 13G regulatory

"Item 1. (a) Name of issuer: Chain Bridge I"

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

"Item 4. (a) Amount beneficially owned: 405467"

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.

Sole dispositive power financial

"Item 4. (c)(iii) Sole power to dispose: 405467"

Sole dispositive power is the exclusive legal authority to decide what happens to a security — for example, whether to sell, transfer, or retain shares — without needing anyone else’s permission. Investors care because it signals who truly controls the economic outcome of an investment: like holding the only key to a safe, the holder can realize gains or losses and may trigger regulatory reporting, insider rules, or influence over corporate ownership.

CUSIP regulatory

"Item 2. (e) CUSIP Number(s): G2061X102"

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

Chain Bridge I

(Name of Issuer)

Common Stock

(Title of Class of Securities)

G2061X102

(CUSIP Number)

05/05/2026

(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): G2061X102

1

Names of Reporting Persons

Clear Street LLC

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

NEW YORK

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 405,467.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

405,467.00

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)

15.5 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Chain Bridge I
(b)	Address of issuer's principal executive offices: 8 THE GREEN No 17538 DOVER DE 19901
Item 2.
(a)	Name of person filing: Clear Street LLC
(b)	Address or principal business office or, if none, residence: 4 WORLD TRADE CENTER, 150 Greenwich St Floor 45 New York, NY 10007
(c)	Citizenship: United States
(d)	Title of class of securities: Common Stock
(e)	CUSIP Number(s): G2061X102
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: 405467
(b)	Percent of class: 15.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 405467
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 405467
	(iv) Shared power to dispose or to direct the disposition of: 0
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.
	Not Applicable
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
Item 9.	Notice of Dissolution of Group.
	Not Applicable

Item 10. Certifications:

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.

Clear Street LLC

Signature:	John DiBacco
Name/Title:	Head of Markets Trading
Date:	05/05/2026

FAQ

What does Clear Street LLC own in CBGGF per this filing?

Clear Street LLC beneficially owns 405,467 shares of Chain Bridge I common stock, representing 15.5% of the class as reported on 05/05/2026. The filing lists sole voting and dispositive power over these shares.

What voting and disposition rights does Clear Street LLC report?

The filing states Clear Street LLC has sole power to vote and sole power to dispose of the 405,467 shares. No shared voting or dispositive power is reported in the excerpt.

Which document and form reports this ownership for CBGGF?

Ownership is reported on a Schedule 13G filed for Chain Bridge I (CUSIP G2061X102). The entry identifies the reporting person as Clear Street LLC with a signature dated 05/05/2026.

Who signed the Schedule 13G for Clear Street LLC?

The Schedule 13G excerpt is signed by John DiBacco, identified as Head of Markets Trading. The filing date shown is 05/05/2026 and the filer’s address is in New York.

Does the filing indicate whether this is active trading or passive ownership?

The form type is a Schedule 13G, which typically reports passive or passive-investor holdings. The excerpt itself lists ownership and powers but does not describe active trading activity or transaction details.