---
schema_version: "secwatch.filing_event.v1"
accession: "0001213900-26-061493"
form_type: "8-K"
ticker: "OHAC"
cik: "0002090787"
company_name: "Oceanhawk Acquisition Corp."
filed_at: "2026-05-27T20:01:23+00:00"
generated_at: "2026-05-27T20:03:59.496099+00:00"
event_type: "other_material"
sentiment: "neutral"
materiality_score: 0.75
calibrated_materiality_score: 0.75
confidence: "high"
source: SEC EDGAR
---

# Oceanhawk Acquisition Corp. closes upsized $160M IPO of 16M units at $10/unit

## Summary
- Gross proceeds of $160M from IPO; private placement of 500,000 units to sponsor and Benchmark raised additional $5M.
- $160.8M deposited in trust; 15-month deadline for business combination (18 months if agreement within 15 months).
- Appointed six directors: Durnford, Miller, Ryan, Maggard, Collingridge-Padbury, Nickell; audit and compensation committees formed.
- Units (OHACU) began trading May 21; Class A shares (OHAC) and rights (OHACR) to trade separately.

## SEC filing metadata
- accession: 0001213900-26-061493
- form_type: 8-K
- ticker: OHAC
- cik: 0002090787
- company_name: Oceanhawk Acquisition Corp.
- filed_at: 2026-05-27T20:01:23+00:00
- event_type: other_material
- sentiment: neutral
- materiality_score: 0.75
- calibrated_materiality_score: 0.75
- confidence: high
- sec_items: 1.01, 3.02, 5.02, 5.03, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/ea0292099-8k_oceanhawk.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001213900-26-061493
- JSON: https://secwatch.observer/filing/0001213900-26-061493.json
- Plain text: https://secwatch.observer/filing/0001213900-26-061493.txt

## Source-grounded claims
- claim_id: 0c11d17503
  claim: Jon Ryan was appointed as Director at Oceanhawk Acquisition Corp..
  evidence_excerpt: On May 20, 2026, in connection with the IPO, each of Joseph Durnford, Ernest Miller, Jon Ryan, Mike Maggard, Dan Collingridge-Padbury and Jonathan Nickell (collectively, the “ Directors ”) was appointed to the board of directors of the Company (the “ Board ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm
- claim_id: 2f819b10c5
  claim: Jonathan Nickell was appointed as Director at Oceanhawk Acquisition Corp..
  evidence_excerpt: On May 20, 2026, in connection with the IPO, each of Joseph Durnford, Ernest Miller, Jon Ryan, Mike Maggard, Dan Collingridge-Padbury and Jonathan Nickell (collectively, the “ Directors ”) was appointed to the board of directors of the Company (the “ Board ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm
- claim_id: 53ca985a0e
  claim: Dan Collingridge-Padbury was appointed as Director at Oceanhawk Acquisition Corp..
  evidence_excerpt: On May 20, 2026, in connection with the IPO, each of Joseph Durnford, Ernest Miller, Jon Ryan, Mike Maggard, Dan Collingridge-Padbury and Jonathan Nickell (collectively, the “ Directors ”) was appointed to the board of directors of the Company (the “ Board ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm
- claim_id: 6a76cd5f04
  claim: Mike Maggard was appointed as Director at Oceanhawk Acquisition Corp..
  evidence_excerpt: On May 20, 2026, in connection with the IPO, each of Joseph Durnford, Ernest Miller, Jon Ryan, Mike Maggard, Dan Collingridge-Padbury and Jonathan Nickell (collectively, the “ Directors ”) was appointed to the board of directors of the Company (the “ Board ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm
- claim_id: 98be573b5d
  claim: Joseph Durnford was appointed as Director at Oceanhawk Acquisition Corp..
  evidence_excerpt: On May 20, 2026, in connection with the IPO, each of Joseph Durnford, Ernest Miller, Jon Ryan, Mike Maggard, Dan Collingridge-Padbury and Jonathan Nickell (collectively, the “ Directors ”) was appointed to the board of directors of the Company (the “ Board ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm
- claim_id: d871bdb69f
  claim: Ernest Miller was appointed as Director at Oceanhawk Acquisition Corp..
  evidence_excerpt: On May 20, 2026, in connection with the IPO, each of Joseph Durnford, Ernest Miller, Jon Ryan, Mike Maggard, Dan Collingridge-Padbury and Jonathan Nickell (collectively, the “ Directors ”) was appointed to the board of directors of the Company (the “ Board ”).
  evidence_url: https://www.sec.gov/Archives/edgar/data/2090787/000121390026061493/0001213900-26-061493-index.htm

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