Oceanhawk Acquisition Corp.

Overview

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• TickerOHAC on Nasdaq¹
• IndustryBlank Checks¹
• HeadquartersNew York, New York¹
• Incorporated inCayman Islands²
• Business address515 Madison Avenue, 8Th Floor, New York, Ny 10022²
• Filer category, Emerging growth company²

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Corporate structure

Oceanhawk Acquisition Corp. sits at the top of its group. 1 entity, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Leadership

Who has led Oceanhawk Acquisition Corp., and when. Pick a name to see everywhere that person has worked.

Timeline

1. Oct 6, 20268-K Entered a material agreement; New debt or obligation⁸
2. Aug 19, 20268-K Executive or director change; Other events⁹
3. Jun 4, 20268-K Other events¹⁰
4. May 29, 20268-K Other events¹¹
5. May 27, 20268-K Entered a material agreement; Unregistered sale of shares; Executive or director change¹²

Filings

38 filings to the SEC since October 2021: 1 quarterly reports, 5 major events, 13 insider forms, 8 large holders, 11 other. The latest 20:

1. Oct 6, 20268-K EDGAR
2. Oct 6, 2026SCHEDULE 13G EDGAR
3. Aug 26, 20263 EDGAR
4. Aug 19, 20268-K CURRENT REPORT EDGAR
5. Aug 18, 20264 EDGAR
6. Aug 18, 20264 EDGAR
7. Aug 18, 20264 EDGAR
8. Aug 18, 20264 EDGAR
9. Aug 18, 20264 EDGAR
10. Aug 14, 2026SCHEDULE 13G EDGAR
11. Aug 14, 202610-Q QUARTERLY REPORT EDGAR
12. Aug 14, 2026SCHEDULE 13G/A EDGAR
13. Aug 14, 2026SCHEDULE 13G EDGAR
14. Aug 13, 2026SCHEDULE 13G EDGAR
15. Aug 12, 2026SCHEDULE 13G EDGAR
16. Aug 11, 2026SCHEDULE 13G EDGAR
17. Jun 4, 20268-K CURRENT REPORT EDGAR
18. Jun 3, 20263 EDGAR
19. Jun 1, 20263 EDGAR
20. Jun 1, 20263 EDGAR

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

Major holders

Investors who own more than 5% of the shares must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively.

• CSS LLC/ILSCHEDULE 13G, 1 filing Oct 6, 2026¹³
• HIGHBRIDGE CAPITAL MANAGEMENT LLCSCHEDULE 13G, 1 filing Aug 14, 2026¹⁴
• Harraden Circle Investments, LLCSCHEDULE 13G/A, 2 filings May 29, 2026 to Aug 14, 2026¹⁵
• Polar Asset Management Partners Inc.SCHEDULE 13G, 1 filing Aug 14, 2026¹⁶
• Magnetar Financial LLCSCHEDULE 13G, 1 filing Aug 13, 2026¹⁷
• Adage Capital Management, L.P.SCHEDULE 13G, 1 filing Aug 12, 2026¹⁸
• Goldman SachsSCHEDULE 13G, 1 filing Aug 11, 2026¹⁹

SEC filer profile

How Oceanhawk Acquisition Corp. is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

• Name on EDGAROceanhawk Acquisition Corp.¹
• CIK0002090787
• Employer ID (EIN)98-1886973¹
• Filer status<br>emerging growth company¹
• Incorporated inCayman Islands¹
• Fiscal year endsDecember 31¹
• Industry code (SIC)6770 Blank Checks¹
• SEC reviewing officeOffice of Real Estate & Construction, Division of Corporation Finance¹
• Business address515 Madison Avenue, 8Th Floor, New York, NY 10022¹
• Phone(212) 931-1898¹
• On EDGAR sinceDec 23, 2025¹
• Filings38 in all: 3 (8), SCHEDULE 13G (7), 4 (5), 8-K (5), CORRESP (2), 10-Q (1), 424B4 (1), 8-A12B (1)¹
  All 16 form types

  CERT (1), DRS (1), EFFECT (1), S-1 (1), S-1/A (1), S-1MEF (1), SCHEDULE 13G/A (1), UPLOAD (1)

• Latest filingsQuarterly report (10-Q) Aug 14, 2026
  Latest 8-K (8-K) Oct 6, 2026