Clear Street LLC ends 13G reporting for Alpha Star (NASDAQ: ALSAF)

Rhea-AI Filing Summary

Alpha Star Acquisition Corp: An amendment to a Schedule 13G/A filed by Clear Street LLC reports that Clear Street holds 0 shares of Alpha Star common stock (CUSIP G0230C108) and 0.0% of the class. The amendment states the 13G reporting obligation is being terminated because Clear Street's beneficial ownership does not meet the 5% threshold.

The amendment is signed by John DiBacco, Head of Markets Trading, dated 05/20/2026. The filing lists Clear Street's address as 4 World Trade Center, New York.

Insights

Compliance & SEC Filings Specialist

Amendment terminates 13G duty after ownership fell below 5%

The filing formally amends a previously submitted Schedule 13G to state that Clear Street LLC does not meet the 5% beneficial ownership threshold for Alpha Star common stock and therefore had no reporting obligation at the time of the original filing. The document includes standardized Item references and a signature block.

Timing and cash‑flow treatment are not addressed; subsequent filings would show any future changes in ownership if required.

Key Figures

Amount beneficially owned: 0 shares Percent of class: 0.0% CUSIP: G0230C108 +2 more

5 metrics

Amount beneficially owned 0 shares Schedule 13G/A amendment

Percent of class 0.0% Schedule 13G/A amendment

CUSIP G0230C108 Alpha Star Acquisition Corp common stock

Amendment signature date 05/20/2026 Signed by John DiBacco

Issuer address 100 Church Street, 8th Floor, New York, NY 10007 Issuer principal executive offices listed

Key Terms

Schedule 13G/A, beneficially owned, dissolution of group

3 terms

Schedule 13G/A regulatory

"This amendment is being filed as the beneficial ownership ... required under 13G."

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.

beneficially owned regulatory

"Item 4. | Ownership (a) | Amount beneficially owned: 0"

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.

dissolution of group regulatory

"Item 9. | Notice of Dissolution of Group. | Notice of dissolution of a group may be furnished"

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

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 0.00
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

0.00

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)

0.0 %

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 No.: 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: 0
(b)	Percent of class: 0.0 %
(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: 0
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
	Ownership of 5 percent or less of a class
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.
	Notice of dissolution of a group may be furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5. This amendment is being filed as the beneficial ownership of Clear Street LLC does not meet or exceed the 5% reporting threshold required under 13G. As such, no reporting obligation existed at the time of the original filing, and this amendment is filed to terminate that reporting obligation.

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.

Clear Street LLC

Signature:	John DiBacco
Name/Title:	Head of Markets Trading
Date:	05/20/2026

FAQ

What did Clear Street LLC report about ALSAF ownership?

Clear Street LLC reported 0 shares and 0.0% ownership of Alpha Star common stock (CUSIP G0230C108). The amendment states the 13G reporting obligation is terminated because the 5% threshold is not met.

Why was the Schedule 13G/A amendment filed for Alpha Star (ALSAF)?

The amendment was filed to terminate the 13G reporting obligation, stating Clear Street's beneficial ownership did not meet the 5% reporting threshold required under Section 13(g) at the time of the original filing.

Who signed the amendment for Clear Street LLC and when?

The amendment was signed by John DiBacco, Head of Markets Trading, on 05/20/2026. His signature block appears in the filing as the authorized signatory for Clear Street LLC.

What address and CUSIP appear in the filing for Alpha Star?

Alpha Star's principal executive offices are listed at 100 Church Street, 8th Floor, New York, NY 10007. The CUSIP for Alpha Star common stock in the filing is G0230C108.

Does the amendment disclose any shares still beneficially owned?

No. The filing explicitly states an Amount beneficially owned: 0 and Percent of class: 0.0%, indicating Clear Street reports no remaining beneficial ownership in the disclosed class.