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Oceanhawk Acquisition Corp. received an amended ownership report from Harraden Circle Investments, LLC and Frederick V. Fortmiller, Jr. stating that they now beneficially own 0 Class A shares, representing 0% of the class. The change follows an internal reorganization effective June 30, 2026, after which they ceased to be beneficial owners of more than five percent of the outstanding Class A common stock. This amendment is characterized as an exit filing for these reporting persons.
OceanHawk Acquisition Corp received a beneficial ownership report from Magnetar Financial LLC and related entities regarding its Class A ordinary shares. As of June 30, 2026, the reporting group collectively held 986,320 shares, representing 5.21% of the outstanding Class A shares.
The holdings are spread across several Magnetar-managed funds, with Magnetar Financial serving as investment adviser and exercising voting and investment power over these accounts. The ownership percentage is based on 18,930,000 shares outstanding as of May 27, 2026, as referenced from issuer information. Voting and dispositive power over all reported shares is shared among the reporting persons.
Oceanhawk Acquisition Corp. has a significant shareholder group led by Adage Capital Management, L.P. and its principals Robert Atchinson and Phillip Gross. These reporting persons collectively report beneficial ownership of 1,075,000 Class A Ordinary Shares of Oceanhawk Acquisition Corp.
This position represents 5.68% of the 18,930,000 Class A Ordinary Shares outstanding, based on the company’s referenced prospectus and current report after completion of the offering, private placement and full exercise of the underwriters' over-allotment option. The reporting persons have shared voting and shared dispositive power over all 1,075,000 shares, and no sole voting or dispositive power.
The Goldman Sachs Group, Inc. and Goldman Sachs & Co. LLC report a significant ownership position in OceanHawk Acquisition Corp. Class A ordinary shares. They report beneficial ownership of 1,479,187 Class A shares, representing 7.8% of the class as of June 30, 2026. Both entities report 0 shares with sole voting or dispositive power and 1,479,187 shares with shared voting and shared dispositive power, indicating the position is held on a shared-control basis within the Goldman Sachs structure. The securities are reported by The Goldman Sachs Group, Inc. as a parent holding company, with Goldman Sachs & Co. LLC identified as the broker-dealer and investment adviser subsidiary through which the position is beneficially owned.
Oceanhawk Acquisition Corp. reports that underwriters fully exercised their over-allotment option, purchasing 2,400,000 additional units at $10.00 each for gross proceeds of $24,000,000. This follows the initial public offering of 16,000,000 units at $10.00 per unit, which raised $160,000,000.
Each unit consists of one Class A ordinary share and one right, with four rights converting into one additional Class A share upon completion of a business combination. Benchmark also bought 30,000 private placement units at $10.00 per unit, adding $300,000.
In total, 18,400,000 units have been sold, and $184,920,000 of combined IPO, over-allotment, and private placement proceeds have been deposited into a U.S. trust account, as reflected in the accompanying unaudited pro forma balance sheet.
Oceanhawk Acquisition Corp. director Durnford Joseph has filed an initial statement of beneficial ownership on Form 3. This filing establishes his status as a reporting person under SEC rules but does not list any specific transactions or derivative positions in the provided data.
Oceanhawk Acquisition I Sponsor, LLC filed an initial ownership report for Oceanhawk Acquisition Corp. showing significant sponsor holdings but no new buy or sell transactions. The sponsor directly owns 300,000 Class A ordinary shares held as part of 300,000 private placement units purchased at $10.00 per unit.
The sponsor also holds 5,750,000 Class B ordinary shares, including up to 750,000 shares that are subject to adjustment depending on whether the underwriters’ over-allotment option is exercised. In addition, it holds 75,000 rights, each entitling the holder to receive one-fourth of one Class A ordinary share upon consummation of an initial business combination without additional payment.
Oceanhawk Acquisition Corp. director and 10% owner Michael Maggard filed an initial ownership report showing indirect holdings through Oceanhawk Acquisition I Sponsor LLC. The sponsor holds 300,000 Class A ordinary shares as part of 300,000 private placement units purchased at $10.00 per unit.
The filing also reports 5,750,000 Class B ordinary shares held indirectly, including up to 750,000 shares that may be forfeited if underwriters do not fully exercise their over-allotment option. In addition, the sponsor holds 75,000 rights, each entitling the holder to receive one-fourth of one Class A ordinary share upon completion of an initial business combination without additional payment.
Oceanhawk Acquisition Corp. filed an initial ownership report for director Jonathan Nickell. This Form 3 establishes him as a reporting insider of the company. The filing shows no reported purchases, sales, or other transactions, and no derivative positions in the provided data.
Oceanhawk Acquisition Corp. officer Ryan Jon, who serves as CFO and President and is also a director, submitted an initial insider ownership report on Form 3. The provided data shows no reported transactions or derivative positions and no separate holding entries at this time.