[Form 4] Cantor Equity Partners IV, Inc. Insider Trading Activity

Rhea-AI Filing Summary

Howard W. Lutnick, a director and 10% owner-related person, reported the disposition of all indirect holdings held through a sponsor structure. On 10/06/2025 he sold the voting shares of CF Group Management, Inc., which resulted in the Sponsor no longer owning 900,000 Class A ordinary shares and 11,250,000 Class B ordinary shares of Cantor Equity Partners IV, Inc. The filing states the aggregate sale price of the voting shares of CFGM was $200,000.

The report clarifies that the Sponsor remains the record holder of the shares and describes the ownership chain (CFGM → CFLP → Sponsor). The reporting person disclaims beneficial ownership of shares held by the Sponsor beyond any pecuniary interest. The Class B shares convert one-for-one into Class A shares at the initial business combination or at holder option.

Positive

• Disclosure clarity: the filing clearly outlines the ownership chain (CFGM → CFLP → Sponsor) and the transaction price of $200,000.
• Conversion feature stated: Class B shares convert one-for-one into Class A shares at the initial business combination, preserving economic equivalence.

Negative

• Loss of indirect voting interest: the reporting person no longer holds beneficial ownership of 900,000 Class A and 11,250,000 Class B shares formerly tied to the Sponsor.
• Potential governance uncertainty: transfer of voting shares of CFGM may change voting control dynamics at the Sponsor level.

Insights

Corporate Governance Analyst

Large indirect founder holdings were transferred from the reporting person on a <$200K sale of voting shares.

The transaction removed indirect control over 900,000 Class A and 11,250,000 Class B ordinary shares by transferring the voting interest in CF Group Management, Inc., the managing general partner in the Sponsor ownership chain. That change affects who controls voting power tied to the Sponsor's record holdings.

Dependencies include the Sponsor's ongoing record ownership and the one-for-one conversion feature of Class B into Class A at the initial business combination. Monitor near-term disclosures around any change in sponsor control or initial business combination timing for direct investor impact.

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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

OMB APPROVAL

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X

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

LUTNICK HOWARD W

(Last) (First) (Middle)

C/O CANTOR EQUITY PARTNERS IV, INC.

110 EAST 59TH STREET

(Street)

NEW YORK NY 10022

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Cantor Equity Partners IV, Inc. [ CEPF ]

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

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

3. Date of Earliest Transaction (Month/Day/Year)
10/06/2025

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A ordinary shares	10/06/2025		S		900,000	D	(1)	0	I	See footnote(3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Class B ordinary shares	(2)	10/06/2025		S			11,250,000	(2)	(2)	Class A ordinary shares	11,250,000	(1)	0	I	See footnote(3)

Explanation of Responses:

1. On October 6, 2025, the reporting person, in his capacity as trustee of a trust, closed the sale to trusts controlled by Brandon G. Lutnick of all of the voting shares of CF Group Management, Inc. ("CFGM"), which is the managing general partner of Cantor Fitzgerald, L.P. ("CFLP"). CFLP is the sole member of Cantor EP Holdings IV, LLC (the "Sponsor"). The Sponsor is the direct owner of 900,000 Class A ordinary shares of Cantor Equity Partners IV, Inc. (the "Company"), par value $0.0001 per share (the "Class A Ordinary Shares"), and 11,250,000 Class B ordinary shares of the Company, par value $0.0001 per share (the "Class B Ordinary Shares"). Following the closing of the transaction, the reporting person no longer has beneficial ownership of the 900,000 Class A Ordinary Shares and 11,250,000 Class B Ordinary Shares held by the Sponsor. The aggregate sale price of the voting shares of CFGM was $200,000.

2. As described in the Company's registration statement on Form S-1 (File No. 333-288768) under the heading "Description of Securities--Founder Shares", the Class B ordinary shares will automatically convert into Class A ordinary shares at the time of the Company's initial business combination, or at any time and from time to time at the option of the holder, on a one-for-one basis, subject to adjustment for share sub-divisions, share dividends, reorganizations, recapitalizations and the like, and certain anti-dilution rights.

3. The Sponsor is the record holder of the shares reported herein. CFLP is the sole member of the Sponsor. CFGM is the managing general partner of CFLP. The reporting person was the trustee of CFGM's sole stockholder prior to the transaction described in footnote (1). The reporting person disclaims beneficial ownership of all securities held by the Sponsor in excess of his pecuniary interest, if any, and this report shall not be deemed an admission that he was the beneficial owner of, or had pecuniary interest in, any such excess securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose.

	/s/ Howard Lutnick	10/06/2025
	** 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 4 (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.
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FAQ

What did Howard W. Lutnick report on Form 4 for CEPF?

The report discloses the sale of CFGM voting shares on 10/06/2025, removing his indirect beneficial ownership of 900,000 Class A and 11,250,000 Class B ordinary shares.

How much was the aggregate sale price reported in the Form 4?

The aggregate sale price for the voting shares of CFGM was reported as $200,000.

Do the Class B ordinary shares convert to Class A shares for CEPF?

Yes, the filing states Class B ordinary shares convert on a one-for-one basis into Class A ordinary shares at the initial business combination or at holder option.

Does the reporter still claim beneficial ownership of the Sponsor-held shares?

The reporting person expressly disclaims beneficial ownership of the Sponsor-held securities beyond any pecuniary interest and states he no longer has beneficial ownership of the reported shares.