Joseph Hernandez - 25 Nov 2025 Form 4 Insider Report for Blue Water Acquisition Corp. III (BLUW)

Reporting relationship: Chief Executive Officer, Director, 10%+ Owner
Issuer ticker: BLUW
Reported as of: 25 Nov 2025
Net transaction value: $0
SEC form: 4
Accepted by SEC: 28 Nov 2025, 17:05:04 UTC
Prior SEC filing: 12 Jun 2025
Next SEC filing: 19 Mar 2026
Source filing: View source filing
Reporting owner signature: /s/ Joseph Hernandez

Key filing fact

Joseph Hernandez filed Form 4 for Blue Water Acquisition Corp. III (BLUW) on 28 Nov 2025.

Key facts

This page summarizes Joseph Hernandez's Form 4 filing for Blue Water Acquisition Corp. III (BLUW).
3 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 28 Nov 2025, 17:05.

Change

Previous filing in this sequence was filed on 12 Jun 2025.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001598384 Primary reporting owner

Hernandez Joseph

Relationship: Chief Executive Officer, Director, 10%+ Owner
Address: C/O BLUE WATER ACQUISITION CORP. III, 15 E PUTNAM AVENUE, SUITE 363, GREENWICH
Signature: /s/ Joseph Hernandez
Signature date: 28 Nov 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

BLUW transaction

Class A ordinary shares

Sale

Transaction value
Shares: -430,000
Change %: -50%
Price
Shares after: 430,000
Date: 25 Nov 2025
Ownership: See Footnote
Footnotes: F1, F2, F4

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

BLUW transaction Derivative

Class B ordinary shares

Other

Transaction value
Shares: -6,325,000
Change %: -100%
Price
Shares after: 0
Date: 25 Nov 2025
Ownership: See Footnote
Underlying class: Class A Ordinary Shares
Underlying amount: 6,325,000
Exercise price
Footnotes: F1, F2, F3

BLUW transaction Derivative

Warrants to purchase Class A ordinary shares

Other

Transaction value
Shares: -215,000
Change %: -100%
Price
Shares after: 0
Date: 25 Nov 2025
Ownership: See Footnote
Underlying class: Class A ordinary shares
Underlying amount: 215,000
Exercise price
Footnotes: F1, F2, F4, F5

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Section 16 status

Joseph Hernandez is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may still apply in specific circumstances.

Explanation of responses 5 footnotes

Footnote F1

In connection with the Purchase Agreement, dated as of November 25, 2025, by and among the Issuer, Blue Water Acquisition III LLC (the "Original Sponsor") and Yorkville BW Acquisition Sponsor, LLC (the "New Sponsor"), the Original Sponsor sold to the New Sponsor an aggregate of 6,325,000 Class B ordinary shares (the "Founder Shares") and 430,000 private placement units (the "Private Placement Units"), consisting of 430,000 Class A ordinary shares and 215,000 warrants to purchase Class A ordinary shares of the Issuer (the "Private Placement Warrants"). The New Sponsor purchased the Founder Shares and Private Placement Units for an aggregate purchase price of $7,200,000.

Footnote F2

The securities are held directly by the Original Sponsor. The Reporting Person is a managing member of the Original Sponsor, therefore, he may be deemed to have beneficial ownership of the securities held directly by the Original Sponsor. The Reporting Person disclaims beneficial ownership of such shares, except to the extent of his pecuniary interest therein.

Footnote F3

The Class B ordinary shares have no expiration date and will automatically convert into Class A ordinary shares at the time of the Issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis.

Footnote F4

Represents securities included in the 430,000 Private Placement Units.

Footnote F5

Each whole Private Placement Warrant entitles the holder thereof to purchase one Class A ordinary share for $11.50 per share, subject to adjustment. The Private Placement Warrants will become exercisable at the later of 12 months from the closing of the Issuer's initial public offering and 30 days after the completion of its initial business combination and will expire five years after the completion of the initial business combination or earlier upon redemption or liquidation.