Clear Street LLC discloses 1.33M-share, 41.1% holding in Alpha Star (ALSAF)

Rhea-AI Filing Summary

Alpha Star Acquisition Corp ownership disclosure: Clear Street LLC reports beneficial ownership of 1,326,871 shares of Common Stock, representing 41.1% of the class. The filing states Clear Street has sole voting and sole dispositive power over these shares. The filing is dated 05/05/2026.

Insights

Corporate Governance Analyst

Large passive ownership stake disclosed by an institutional holder.

Clear Street LLC is reported to beneficially own 1,326,871 shares, or 41.1%, with sole voting and dispositive authority as of 05/05/2026. This level of ownership signals a concentrated stake that can influence shareholder votes where voting occurs.

Actual voting behavior and any coordination with other holders are not stated. Subsequent filings or proxy materials would show whether this ownership translates into board influence or proposal support.

Regulatory Compliance Specialist

Filing is a Schedule 13G-style ownership disclosure, consistent with beneficial owner reporting.

The form lists the holder, address, CUSIP G0230C108, and exact power statements (sole voting/dispositive). The signature block names John DiBacco as signatory on 05/05/2026.

Compliance implications are routine: the holder has met the disclosure threshold requiring public reporting; no transaction terms or timing are included here.

Key Figures

Shares beneficially owned: 1,326,871 shares Percent of class: 41.1% Sole voting power: 1,326,871 shares +1 more

4 metrics

Shares beneficially owned 1,326,871 shares Amount beneficially owned as reported in Item 4

Percent of class 41.1% Percent of class as reported in Item 4

Sole voting power 1,326,871 shares Sole power to vote as reported in Item 4

Filing date 05/05/2026 Signature date on Schedule 13G

Key Terms

beneficially owned, sole voting power, dispositive power, Schedule 13G

4 terms

beneficially owned regulatory

"Item 4. | Ownership (a) | Amount beneficially owned: 1326871"

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 voting power regulatory

"(i) Sole power to vote or to direct the vote: 1326871"

Sole voting power is the exclusive right to cast votes attached to a shareholder’s stock without needing approval from anyone else. Like holding the only remote control for a TV, it lets that holder decide corporate matters such as board members, mergers, and policy changes, making it important to investors because it concentrates control and can strongly influence a company’s strategy and the value of its shares.

dispositive power regulatory

"(iii) Sole power to dispose or to direct the disposition of: 1326871"

Dispositive power is the authority to decide the final outcome of an asset, legal claim, contract, or corporate action — in effect the power to dispose of or resolve something. For investors it matters because whoever holds that authority can determine who gets paid, who controls an asset or vote, and how risks and returns are allocated; think of it like holding the key that lets you lock in the winner or loser in a deal.

Schedule 13G regulatory

"form_type: SCHEDULE 13G"

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.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Alpha Star Acquisition Corp

(Name of Issuer)

Common Stock

(Title of Class of Securities)

G0230C108

(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): G0230C108

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 1,326,871.00
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

1,326,871.00

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)

41.1 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Alpha Star Acquisition Corp
(b)	Address of issuer's principal executive offices: 100 CHURCH STREET, 8TH FLOOR, NEW YORK, NY, 10007
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): G0230C108
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: 1326871
(b)	Percent of class: 41.1 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 1326871
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 1326871
	(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 stake does Clear Street LLC report in Alpha Star Acquisition Corp (ALSAF)?

Clear Street LLC reports beneficial ownership of 1,326,871 shares, equal to 41.1% of the class. The filing states sole voting and dispositive power over the shares and is dated 05/05/2026, per the Schedule 13G disclosure.

Does the Schedule 13G show who can vote the shares for ALSAF?

Yes. The filing states Clear Street LLC has sole power to vote and sole power to dispose of 1,326,871 shares. Those authority statements are included in Item 4 of the disclosure dated 05/05/2026.

What identifying details are included in the Clear Street LLC filing for ALSAF?

The disclosure lists the issuer as Alpha Star Acquisition Corp, CUSIP G0230C108, and Clear Street LLC’s address at 4 World Trade Center, 150 Greenwich St, Floor 45, New York, NY. The form is signed on 05/05/2026.

Is the reported ownership in ALSAF controlling or passive according to the filing?

The filing reports sole voting and dispositive power over 41.1% of the class, indicating the holder exercises control authority over those shares. The filing itself does not characterize the investment as passive or active beyond the power statements.

Who signed the Schedule 13G for Clear Street LLC regarding ALSAF?

The Schedule 13G is signed by John DiBacco, whose title is listed as Head of Markets Trading. The signature date is 05/05/2026 as shown in the filing.