Oceanhawk (NASDAQ: OHAC) Schedule 13G — Harraden reports 1.3M shares

Rhea-AI Filing Summary

Oceanhawk Acquisition Corp. Schedule 13G reports that Harraden Circle-affiliated entities and Frederick V. Fortmiller, Jr. beneficially own 1,300,000 Class A shares, representing 7.88% of the class. The filing attributes shared voting and dispositive power over those 1,300,000 shares to the reporting group.

The statement lists the reporting persons (Harraden Adviser; Harraden GP; Harraden LLC; Harraden Fund; Harraden Special Op Fund; Harraden Strategic Fund; Harraden Concentrated Fund; and Mr. Fortmiller) and provides principal addresses and organizational details.

Key Figures

Reported ownership: 1,300,000 shares Percent of class: 7.88% Shared voting power: 1,300,000 shares +4 more

7 metrics

Reported ownership 1,300,000 shares Amount beneficially owned by reporting group

Percent of class 7.88% Percent of Class A represented by the 1,300,000 shares

Shared voting power 1,300,000 shares Shared power to vote reported in Item 4

Shared dispositive power 1,300,000 shares Shared power to dispose reported in Item 4

Harraden Fund holding (example) 757,424 shares Harraden Circle Investors, LP listed with 757,424 shares

Special Opportunities holding (example) 262,288 shares Harraden Circle Special Opportunities, LP listed with 262,288 shares

Strategic Investments holding (example) 194,438 shares Harraden Circle Strategic Investments, LP listed with 194,438 shares

Key Terms

Shared Voting Power, Beneficially owned, CUSIP, Dispositive Power

4 terms

Shared Voting Power regulatory

"Shared Voting Power 1,300,000.00 7.88 %"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

Beneficially owned regulatory

"Amount beneficially owned: 1,300,000 (b) Percent of class: 7.88 %"

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.

CUSIP regulatory

"CUSIP Number(s): G6722R115"

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.

Dispositive Power regulatory

"Shared Dispositive Power 1,300,000.00"

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.

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Available on EDGAR 06/10/2026 - 09:08 PM Accepted by SEC EDGAR 05/29/2026 - 06:30 PM Learn about SEC filing dates

FAQ

How many Class A shares of Oceanhawk (OHAC) do Harraden-related entities report owning?

Harraden-related entities and Frederick V. Fortmiller, Jr. report 1,300,000 Class A shares. The filing states this holding represents 7.88% of the Class A shares and shows shared voting and dispositive power over those 1,300,000 shares.

Who are the reporting persons named in the Schedule 13G for OHAC?

The Schedule 13G is filed on behalf of Harraden Circle entities and Frederick V. Fortmiller, Jr.: Harraden Adviser; Harraden GP; Harraden LLC; Harraden Fund; Harraden Special Op Fund; Harraden Strategic Fund; Harraden Concentrated Fund; and Mr. Fortmiller.

What voting and dispositive power is reported over the 1,300,000 shares?

The filing states 0 sole power and 1,300,000 shared power to vote and dispose of the shares. It lists (i) sole power to vote: 0; (ii) shared power to vote: 1,300,000; (iii) sole dispositive power: 0; (iv) shared dispositive power: 1,300,000.

What organizational and address details are included for the reporting group in the OHAC filing?

The filing states the Harraden entities are Delaware partnerships or LLCs and gives an address for the reporting group at 885 Third Avenue, Suite 2600B, New York, NY 10022. It also lists Oceanhawk's executive office at 515 Madison Avenue, 8th Floor, New York, NY 10022.

When was the Schedule 13G signed and who signed it for the Harraden group?

The signature block shows Frederick V. Fortmiller, Jr. signing as managing member and on behalf of the Harraden entities, with signature dates shown as 05/29/2026 in the filing's execution section.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

Oceanhawk Acquisition Corp.

(Name of Issuer)

Class A

(Title of Class of Securities)

G6722R115

(CUSIP Number)

05/21/2026

(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): G6722R115

1

Names of Reporting Persons

Harraden Circle Investments, 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 0.00
6	Shared Voting Power 1,300,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,300,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,300,000.00

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)

7.88 %

12

Type of Reporting Person (See Instructions)

OO, HC, IA

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Harraden Circle Investors GP, LP

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 1,300,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,300,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,300,000.00

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)

7.88 %

12

Type of Reporting Person (See Instructions)

PN, HC

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Harraden Circle Investors GP, 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 0.00
6	Shared Voting Power 1,300,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,300,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,300,000.00

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)

7.88 %

12

Type of Reporting Person (See Instructions)

OO, HC

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Harraden Circle Investors, LP

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 757,424.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 757,424.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

757,424.00

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)

4.59 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Harraden Circle Special Opportunities, LP

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 262,288.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 262,288.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

262,288.00

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)

1.59 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Harraden Circle Strategic Investments, LP

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 194,438.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 194,438.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

194,438.00

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)

1.18 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Harraden Circle Concentrated, LP

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 85,850.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 85,850.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

85,850.00

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)

0.52 %

12

Type of Reporting Person (See Instructions)

PN

SCHEDULE 13G

CUSIP Number(s): G6722R115

1

Names of Reporting Persons

Frederick V. Fortmiller, Jr.

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

UNITED STATES

Number of Shares Beneficially Owned by Each Reporting Person With:

5	Sole Voting Power 0.00
6	Shared Voting Power 1,300,000.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 1,300,000.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

1,300,000.00

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)

7.88 %

12

Type of Reporting Person (See Instructions)

IN, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: Oceanhawk Acquisition Corp.
(b)	Address of issuer's principal executive offices: 515 Madison Avenue, 8th Floor, New York, NY 10022
Item 2.
(a)	Name of person filing: This Statement is filed on behalf of the following persons (collectively, the "Reporting Persons"): i) Harraden Circle Investments, LLC ("Harraden Adviser"); ii) Harraden Circle Investors GP, LP ("Harraden GP"); iii) Harraden Circle Investors GP, LLC ("Harraden LLC"); iv) Harraden Circle Investors, LP ("Harraden Fund"); v) Harraden Circle Special Opportunities, LP ("Harraden Special Op Fund"); vi) Harraden Circle Strategic Investments, LP ("Harraden Strategic Fund"); vii) Harraden Circle Concentrated, LP ("Harraden Concentrated Fund"); and viii) Frederick V. Fortmiller, Jr. ("Mr. Fortmiller") This Statement relates to Shares (as defined herein) directly beneficially owned by Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund. Harraden GP is the general partner to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund, and Harraden LLC is the general partner of Harraden GP. Harraden Adviser serves as investment manager to Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and other high net worth individuals. Mr. Fortmiller is the managing member of each of Harraden LLC and Harraden Adviser. In such capacities, each of Harraden GP, Harraden LLC, Harraden Adviser and Mr. Fortmiller may be deemed to indirectly beneficially own the Shares reported herein directly beneficially owned by Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, and Harraden Concentrated Fund.
(b)	Address or principal business office or, if none, residence: 885 Third Avenue, Suite 2600B, New York, NY 10022
(c)	Citizenship: Each of Harraden Fund, Harraden Special Op Fund, Harraden Strategic Fund, Harraden Concentrated Fund, and Harraden GP is a Delaware limited partnership. Each of Harraden LLC and Harraden Adviser is a Delaware limited liability company. Mr. Fortmiller is a citizen of the United States of America.
(d)	Title of class of securities: Class A
(e)	CUSIP Number(s): G6722R115
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: 1,300,000
(b)	Percent of class: 7.88 %
(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: 1,300,000
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 1,300,000
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 disclosure in Item 2 hereof.
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 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.

Harraden Circle Investments, LLC

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member
Date:	05/29/2026

Harraden Circle Investors GP, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner
Date:	05/29/2026

Harraden Circle Investors GP, LLC

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member
Date:	05/29/2026

Harraden Circle Investors, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	05/29/2026

Harraden Circle Special Opportunities, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	05/29/2026

Harraden Circle Strategic Investments, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	05/29/2026

Harraden Circle Concentrated, LP

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr., managing member; Harraden Circle Investors GP, LLC, general partner; Harraden Circle Investors GP, LP, general partner
Date:	05/29/2026

Frederick V. Fortmiller, Jr.

Signature:	/s/ Frederick V. Fortmiller, Jr.
Name/Title:	Frederick V. Fortmiller, Jr.
Date:	05/29/2026