Comparable stake leader
Harraden Circle Investments, LLC
SEC ownership of Oceanhawk Acquisition Corp.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0002090787.
Disclosed value leader
Michael Maggard
Comparable rows
1/3
Latest evidence
21 May 2026
- Public ticker
- OHAC, OHACR, OHACU on Nasdaq
- Parsed ownership sources
-
13D/G and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Harraden Circle Investments, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
1 of 3
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Harraden Circle Investments, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
21 May 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0002090787
- Issuer location
- New York, NY
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Oceanhawk Acquisition Corp. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Harraden Circle Investmen...
Disclosed value leader
Michael Maggard
Comparable rows
1/3
Latest evidence
21 May 2026
13D/G
3/4/5
Lead comparable stake: 7.9%
2 rows are not safely comparable across share classes.
13D/G row: Harraden Circle Investments, LLC
Quick read
Harraden Circle Investments, LLC leads the comparable SEC ownership view at 7.9%.
1 of 3 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Harraden Circle Investments, LLC's linked filing trail.
Comparable ownership
Top 1
Harraden Circle Investments, LLC
7.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-3 of 3 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Harraden Circle Investments, LLC |
13D/G
|
7.9%
|
—
1,300,000 shares
|
$0 | 21 May 2026 |
| Michael Maggard |
3/4/5
Director, 10%+ Owner
|
—
mixed-class rows
|
$3,003,000
6,050,000 shares
mixed-class rows
|
— | 20 May 2026 |
| Oceanhawk Acquisition I Sponsor, LLC |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$3,003,000
6,050,000 shares
mixed-class rows
|
— | 20 May 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 06 Aug 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-7 of 7 reporting-owner rows connected to Oceanhawk Acquisition Corp.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
7
Largest Forms 3/4/5 holder
Oceanhawk Acquisition I Sponsor, LLC
Net 12M change
$0
Latest report
20 May 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Oceanhawk Acquisition I Sponsor, LLC | 10%+ Owner | $3,003,000 | Mixed | 20 May 2026 | ||
| Michael Maggard | Director, 10%+ Owner | $3,003,000 | Mixed | 20 May 2026 | ||
| Jon Ryan | CFO & President, Director | Mixed | 20 May 2026 | |||
| Daniel Collingridge-Padbury | Director | Mixed | 20 May 2026 | |||
| Joseph Durnford | Director | Mixed | 20 May 2026 | |||
| Jonathan Nickell | Director | Mixed | 20 May 2026 | |||
| Ernest B. Miller | Chief Executive Officer, Director | Mixed | 20 May 2026 |
Recent insider transactions for Oceanhawk Acquisition Corp.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Oceanhawk Acquisition I Sponsor, LLC | OHAC | Class A Ordinary Shares | 0 | 300,000 | 20 May 2026 | Direct | ||||
| Oceanhawk Acquisition I Sponsor, LLC | OHAC | Class B Ordinary Shares | 0 | 5,750,000 | 20 May 2026 | Direct | ||||
| Michael Maggard | OHAC | Class A Ordinary Shares | 0 | 300,000 | 20 May 2026 | By Oceanhawk Acquisition I Sponsor. LLC | ||||
| Michael Maggard | OHAC | Class B Ordinary Shares | 0 | 5,750,000 | 20 May 2026 | By Oceanhawk Acquisition I Sponsor. LLC |
* marks a reported price that did not pass the local price check.