---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-065046"
form_type: "8-K"
ticker: "OHAC"
cik: "0002090787"
company_name: "Oceanhawk Acquisition Corp."
filed_at: "2026-06-04T12:52:42+00:00"
generated_at: "2026-06-04T12:55:14.385312+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.6
calibrated_materiality_score: 0.6
confidence: "high"
source: SEC EDGAR
---

# Oceanhawk Acquisition Corp. closes IPO and over-allotment, raising $184.9M in trust

## Summary
- IPO closed May 22, 2026: 16M units at $10/unit, gross $160M; over-allotment exercised May 27: 2.4M additional units, gross $24M.
- Total trust account funded with $184,920,000 from IPO, over-allotment, and private placement proceeds after expenses.
- Simultaneous private placement: 30K units at $10/unit to Benchmark, grossing $300K; total private units now 530K (sponsor and Benchmark).
- Unaudited pro forma balance sheet as of May 27, 2026 filed as Exhibit 99.1 reflecting the capital structure.

## SEC filing metadata
- accession: 0001213900-26-065046
- form_type: 8-K
- ticker: OHAC
- cik: 0002090787
- company_name: Oceanhawk Acquisition Corp.
- filed_at: 2026-06-04T12:52:42+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.6
- calibrated_materiality_score: 0.6
- confidence: high
- sec_items: 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2090787/000121390026065046/0001213900-26-065046-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2090787/000121390026065046/ea0293534-8k_oceanhawk.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-065046
- JSON: https://secwatch.observer/filing/0001213900-26-065046.json
- Plain text: https://secwatch.observer/filing/0001213900-26-065046.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.