Blue Water Acquisition Corp. IV (BWIV) director submits initial Form 3 ownership

Rhea-AI Filing Summary

Blue Water Acquisition Corp. IV director Hermouet Laurent Didier has filed an initial Form 3 ownership report. The filing identifies him as a director but does not list any common stock or derivative transactions, and the summary data show zero buy, sell, or exercise activity in this report.

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SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Hermouet Laurent Didier

(Last) (First) (Middle)

C/O BLUE WATER ACQUISITION CORP. IV

15 E PUTNAM AVENUE, SUITE 363

(Street)

GREENWICH CONNECTICUT 06830

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/19/2026

3. Issuer Name and Ticker or Trading Symbol
Blue Water Acquisition Corp. IV [ BWIV ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

No securities are beneficially owned.

	/s/ Laurent D. Hermouet	03/23/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)

FAQ

What does Hermouet Laurent Didier’s Form 3 for BWIV show?

The Form 3 shows his status as a director of Blue Water Acquisition Corp. IV. The disclosure lists him as a reporting person but reports zero buy, sell, or derivative transactions and no exercise, gift, or restructuring activity in the summarized data.

Does the BWIV Form 3 indicate that Hermouet Laurent Didier bought or sold shares?

No, the Form 3 does not show any share purchases or sales. The transaction lists are empty, and the transaction summary reports zero buyCount, sellCount, acquireCount, disposeCount, and netBuySellShares, indicating no reported trading activity in this filing.

What role does Hermouet Laurent Didier hold at Blue Water Acquisition Corp. IV (BWIV)?

He is identified as a director of Blue Water Acquisition Corp. IV. The insider data flag is_director as 1, while is_officer and is_ten_percent_owner are both 0, indicating he is not reported as an officer or ten percent owner in this filing.

Are there any derivative securities reported for BWIV in this Form 3?

No derivative securities are reported in this Form 3. The derivativeSummary section is empty, and derivativeTransactionCount in the transaction summary is zero, indicating no options, warrants, or other derivative positions are disclosed in this particular report.

Does this BWIV Form 3 include any gifts, tax withholdings, or restructurings?

No, the summary shows no gifts, tax withholdings, or restructurings. GiftCount, taxWithholdingCount, and restructuringCount are all zero, and there are no related shares reported, suggesting no such indirect or non-market transactions in this filing.