UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 8-K

Current Report

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

July 28, 2025

Date of Report (Date of earliest event reported)

Blue Water Acquisition Corp. III

(Exact Name of Registrant as Specified in its Charter)

Cayman Islands

001-42692

33-2301550

(State or other jurisdiction
of incorporation)

(Commission

File Number)

(I.R.S. Employer
Identification No.)

15 E. Putnam Avenue

Suite 363

Greenwich, CT

06830

(Address of Principal Executive Offices)

(Zip Code)

Registrant’s telephone number, including area code: (203) 489-2110

N/A

(Former name or former address, if changed since last report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐	Written communications pursuant to Rule 425 under the Securities Act

☐	Soliciting material pursuant to Rule 14a-12 under the Exchange Act

☐	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act

☐	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one-half of one redeemable warrant	BLUWU	The Nasdaq Stock Market LLC
Class A ordinary shares, par value $0.0001 per share	BLUW	The Nasdaq Stock Market LLC
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share	BLUWW	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (17 CFR §230.405) or Rule 12b-2 of the Securities Exchange Act of 1934 (17 CFR §240.12b-2).

Emerging growth company ☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01. Other Events.

On July 28, 2025, Blue Water Acquisition Corp. III (the “Company”) announced that, on or about July 31, 2025, the holders of the Company’s units (the “Units”) may elect to separately trade the Class A ordinary shares and warrants included in the Units. Each Unit consists of one Class A ordinary share and one-half of one redeemable warrant. Any Units not separated will continue to trade on The Nasdaq Global Market (“Nasdaq”) under the symbol “BLUWU.” Any underlying Class A ordinary shares and warrants that are separated will trade on Nasdaq under the symbols “BLUW” and “BLUWW,” respectively. Holders of Units will need to have their brokers contact Continental Stock Transfer & Trust Company, the Company’s transfer agent, in order to separate the holders’ Units into Class A ordinary shares and warrants.

A copy of the press release issued by the Company announcing the separate trading of the securities underlying the Units is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit No.		Description
99.1		Press Release dated July 28, 2025.
104		Cover Page Interactive Data File (embedded within the Inline XBRL document).

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Dated: July 28, 2025

	Blue Water Acquisition Corp. III

	By:	/s/ Joseph Hernandez
	Name:	Joseph Hernandez
	Title:	Chief Executive Officer

Blue Water Acquisition Corp. III 8-K