Highbridge Capital Management (ALPX) discloses 8% holding in Alpex Class A shares

Rhea-AI Filing Summary

Highbridge Capital Management, LLC filed as an institutional investor reporting beneficial ownership of 950,000 Class A Ordinary Shares of Alpex Acquisition Corp. This position represents 8.0% of the Class A shares, based on 11,917,500 shares outstanding after the IPO and full exercise of the underwriters’ over-allotment option. Highbridge, a Delaware limited liability company, reports sole voting and sole dispositive power over these shares, which are held by certain Highbridge-managed funds that have the right to receive dividends and sale proceeds. The filing states it should not be construed as an admission of beneficial ownership for Section 13 purposes.

Key Figures

Shares beneficially owned: 950,000 Class A Ordinary Shares Ownership percentage: 8.0% Shares outstanding baseline: 11,917,500 Class A Ordinary Shares +2 more

5 metrics

Shares beneficially owned 950,000 Class A Ordinary Shares Reported by Highbridge Capital Management, LLC on Schedule 13G

Ownership percentage 8.0% Percentage of Alpex Class A Ordinary Shares beneficially owned by Highbridge

Shares outstanding baseline 11,917,500 Class A Ordinary Shares Aggregate shares outstanding after offering and full over-allotment exercise

Sole voting power 950,000 Class A Ordinary Shares Shares over which Highbridge reports sole power to vote

Sole dispositive power 950,000 Class A Ordinary Shares Shares over which Highbridge reports sole power to dispose

Key Terms

beneficial owner, sole voting power, sole dispositive power, over-allotment option, +1 more

5 terms

beneficial owner regulatory

"not be construed as an admission that any of the foregoing persons or the Reporting Person is, for the purposes of Section 13... the beneficial owner"

A beneficial owner is the person who ultimately owns or controls a financial asset or property, even if their name isn't directly on official documents. Think of it like someone who secretly holds the keys to a safe deposit box—others may appear to have access, but the true owner is the one who benefits from what's inside. Identifying beneficial owners helps ensure transparency and prevent illegal activities like money laundering or fraud.

sole voting power regulatory

"Sole Voting Power 950,000.00 6 | Shared Voting Power 0.00"

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.

sole dispositive power regulatory

"Sole Dispositive Power 950,000.00 8 | Shared Dispositive Power 0.00"

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.

over-allotment option financial

"after giving effect to the offering described therein, and the full exercise of the underwriters' over-allotment option"

An over-allotment option is a special agreement that allows underwriters to sell more shares than initially planned if demand is high. Think of it like a retailer offering extra units of a popular product to meet additional customer interest. This option helps ensure the full sale is completed and can also give investors extra shares if they want more.

Investment Company Act of 1940 regulatory

"A listing of the shareholders of an investment company registered under the Investment Company Act of 1940"

A U.S. federal law that sets the rulebook for pooled investment vehicles such as mutual funds, exchange-traded funds and similar money managers, requiring them to register with regulators, disclose holdings and fees, limit conflicts of interest, and follow governance standards. It matters to investors because these protections and transparency rules act like a referee and scoreboard, helping people compare funds, trust that managers follow fair practices, and spot hidden costs or risks.

FAQ

What stake in Alpex Acquisition Corp (ALPX) does Highbridge Capital Management report?

Highbridge Capital Management reports beneficial ownership of 950,000 Class A Ordinary Shares of Alpex Acquisition Corp, representing 8.0% of the outstanding Class A shares based on the company’s post-offering share count.

How was the 8.0% ownership of ALPX by Highbridge Capital Management calculated?

The 8.0% ownership is based on an aggregate of 11,917,500 Class A Ordinary Shares outstanding, as stated in Alpex’s prospectus and Form 8-K after giving effect to the offering and full over-allotment exercise.

Does Highbridge Capital Management have voting and dispositive power over its ALPX shares?

Yes. Highbridge Capital Management reports sole voting power and sole dispositive power over 950,000 Alpex Class A Ordinary Shares, with no shared voting or dispositive power reported in the Schedule 13G.

Who actually receives dividends or sale proceeds from the ALPX shares reported by Highbridge?

The Highbridge Funds managed by Highbridge have the right to receive or direct the receipt of dividends and sale proceeds. One fund, Highbridge Tactical Credit Master Fund, L.P., holds rights relating to more than 5% of the outstanding Class A shares.

Does Highbridge admit it is the beneficial owner of ALPX shares under Section 13?

The filing states that it should not be construed as an admission that Highbridge or any related person is, for purposes of Section 13 of the Exchange Act, the beneficial owner of the reported securities.

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

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Available on EDGAR 08/14/2026 - 12:39 PM Accepted by SEC EDGAR 08/14/2026 - 12:38 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Alpex Acquisition Corp

(Name of Issuer)

Class A Ordinary Shares, par value $0.0001 per share

(Title of Class of Securities)

G63325107

(CUSIP Number)

06/30/2026

(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): G63325107

1

Names of Reporting Persons

Highbridge Capital Management, 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

DELAWARE

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 950,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 950,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

950,000.00

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)

8.0 %

12

Type of Reporting Person (See Instructions)

IA, OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Alpex Acquisition Corp
(b)	Address of issuer's principal executive offices: 300 Delaware Ave, Suite 210 #494, Wilmington, DE 19801
Item 2.
(a)	Name of person filing: This statement is filed by Highbridge Capital Management, LLC ("Highbridge" or the "Reporting Person"), a Delaware limited liability company and the investment adviser to certain funds and accounts (the "Highbridge Funds"), with respect to the Class A ordinary shares, par value $0.0001 per share ("Class A Ordinary Shares"), of Alpex Acquisition Corporation, a Cayman Islands exempted company (the "Issuer"), directly held by the Highbridge Funds; The filing of this statement should not be construed as an admission that any of the foregoing persons or the Reporting Person is, for the purposes of Section 13 of the Securities Exchange Act of 1934, the beneficial owner of the securities reported herein.
(b)	Address or principal business office or, if none, residence: The address of the business office of the Reporting Person is 390 Madison Avenue, 28th Floor, New York, NY 10017.
(c)	Citizenship: Highbridge is a Delaware limited liability company.
(d)	Title of class of securities: Class A Ordinary Shares, par value $0.0001 per share
(e)	CUSIP Number(s): G63325107
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: The information required by Item 4(a) is set forth in Row 9 of the cover page for the Reporting Person and is incorporated herein by reference. The percentage set forth in this Schedule 13G is calculated based upon an aggregate of 11,917,500 Class A Ordinary Shares, as reported in the Issuer's Prospectus filed pursuant to Rule 424(b)(4) with the Securities and Exchange Commission (the "SEC") on June 25, 2026, after giving effect to the offering described therein, and the full exercise of the underwriters' over-allotment option as disclosed in the Issuer's Current Report on Form 8-K, filed with the SEC on June 29, 2026.
(b)	Percent of class: 8.0%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: The information required by Item 4(c)(i) is set forth in Row 5 of the cover page for the Reporting Person and is incorporated herein by reference.
	(ii) Shared power to vote or to direct the vote: The information required by Item 4(c)(ii) is set forth in Row 6 of the cover page for the Reporting Person and is incorporated herein by reference.
	(iii) Sole power to dispose or to direct the disposition of: The information required by Item 4(c)(iii) is set forth in Row 7 of the cover page for the Reporting Person and is incorporated herein by reference.
	(iv) Shared power to dispose or to direct the disposition of: The information required by Item 4(c)(iv) is set forth in Row 8 of the cover page for the Reporting Person and is incorporated herein by reference.
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.
	If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required. See Item 2(a). The Highbridge Funds have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Class A Ordinary Shares reported herein. Highbridge Tactical Credit Master Fund, L.P., a Highbridge Fund, has the right to receive or the power to direct the receipt of dividends or the proceeds from the sale of more than 5% of the outstanding Class A Ordinary Shares.
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:

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.

Highbridge Capital Management, LLC

Signature:	/s/ Kirk Rule
Name/Title:	By: Kirk Rule, Executive Director
Date:	08/14/2026