Research Alliance Corp IV CEO reports 1.26M Class B stake

Research Alliance Corp IV reports that Matthew Hammond, its Chief Executive Officer, director and ten percent owner, has indirect control over 1,263,529 Class B Ordinary Shares held by Research Alliance Holdings IV LLC.

Rhea-AI Filing Summary

Research Alliance Corp IV reports that Matthew Hammond, its Chief Executive Officer, director and ten percent owner, has indirect control over 1,263,529 Class B Ordinary Shares held by Research Alliance Holdings IV LLC. These Class B shares have no expiration and automatically convert into an equal number of Class A Ordinary Shares upon the company’s initial business combination, or earlier at the holder’s option, subject to anti-dilution adjustments. Hammond has voting and investment discretion over the sponsor-held securities but disclaims beneficial ownership except to the extent of any pecuniary interest.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Hammond Matthew

Role Chief Executive Officer

Type	Security	Shares	Price	Value
holding	Class B Ordinary Shares F1, F2	--	--	--

Holdings After Transaction: Class B Ordinary Shares — 1,263,529 contracts (Indirect, By Research Alliance Holdings IV LLC)

Footnotes (2)

1. F1. Class B Ordinary Shares have no expiration date and will automatically convert into Class A Ordinary Shares of the Issuer at the time of the Issuer's initial business combination on a one-for-one basis (subject to adjustment for sub-divisions, share dividends, reorganizations, recapitalizations and the like), or at any time prior thereto at the option of the holder on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights.
2. F2. The Reporting Person is the sole director of Research Alliance Holdings IV LLC (the "Sponsor"). As such, he has voting and investment discretion with respect to the securities held of record by the Sponsor and may be deemed to have beneficial ownership of the securities held directly by the Sponsor. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, if any.

Key Figures

Indirect Class B shares reported: 1263529.0000 shares Underlying Class A shares on conversion: 1263529.0000 shares Reporting person ownership threshold: 10%

3 metrics

Indirect Class B shares reported 1263529.0000 shares Class B Ordinary Shares held through Research Alliance Holdings IV LLC

Underlying Class A shares on conversion 1263529.0000 shares Class A Ordinary Shares issuable on one-for-one conversion of Class B shares

Reporting person ownership threshold 10% Reporting person is indicated as a ten percent owner of the issuer

Key Terms

Class B Ordinary Shares, initial business combination, anti-dilution rights, beneficial ownership

4 terms

Class B Ordinary Shares financial

"Class B Ordinary Shares have no expiration date and will automatically convert"

Class B ordinary shares are a type of ownership stake in a company that typically come with different voting rights or privileges compared to other share classes. For investors, they represent a way to hold part of the company’s value and influence its decisions, often with fewer voting rights than Class A shares. Understanding these shares helps investors assess their level of control and potential returns within a company.

initial business combination financial

"convert into Class A Ordinary Shares of the Issuer at the time of the Issuer's initial business combination"

An initial business combination is the deal in which a special-purpose acquisition company (SPAC) merges with or acquires an operating business to bring that business onto public markets. Think of the SPAC as an empty shell that raises money from investors, then uses that cash to buy a private company—this transaction turns the private company into a public one and often changes its ownership, valuation, and access to capital, so investors should watch for shifts in risk, future growth prospects, and shareholder rights.

anti-dilution rights financial

"one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights"

beneficial ownership regulatory

"may be deemed to have beneficial ownership of the securities held directly by the Sponsor"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What insider stake did Matthew Hammond report in RACD?

Matthew Hammond is associated with 1,263,529 Class B Ordinary Shares of Research Alliance Corp IV, held indirectly through Research Alliance Holdings IV LLC. He has voting and investment discretion but disclaims beneficial ownership beyond any pecuniary interest he may have.

What type of shares linked to RACD does Matthew Hammond control indirectly?

The reporting shows indirect control over Class B Ordinary Shares of Research Alliance Corp IV. These Class B shares are held by Research Alliance Holdings IV LLC, where Hammond, as sole director, exercises voting and investment discretion over the securities.

How many RACD Class A shares are issuable from Matthew Hammond’s Class B holdings?

The 1,263,529 Class B Ordinary Shares are convertible into 1,263,529 Class A Ordinary Shares of Research Alliance Corp IV on a one-for-one basis, subject to specified anti-dilution adjustments tied to share splits, dividends, and similar corporate actions.

When do Matthew Hammond’s RACD Class B shares convert into Class A shares?

The Class B Ordinary Shares automatically convert into Class A Ordinary Shares at the time of Research Alliance Corp IV’s initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to anti-dilution adjustments described in the terms.

What is Matthew Hammond’s ownership status in RACD?

Hammond is identified as a director, Chief Executive Officer, and ten percent owner of Research Alliance Corp IV. He may be deemed to have beneficial ownership of securities held by the sponsor entity but expressly disclaims such ownership beyond any pecuniary interest.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 07/10/2026 - 09:32 AM Learn about SEC filing dates

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

OMB APPROVAL

OMB Number:			3235-0104
Estimated average burden
hours per response:			0.5

1. Name and Address of Reporting Person^*

Hammond Matthew

(Last) (First) (Middle)

C/O RESEARCH ALLIANCE CORPORATION IV

600 FIFTH AVENUE, 23RD FLOOR

(Street)

NEW YORK NEW YORK 10020

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
07/10/2026

3. Issuer Name and Ticker or Trading Symbol
Research Alliance Corp IV [ RACD ]

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

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
Class B Ordinary Shares	(1)	(1)	Class A Ordinary Shares	1,263,529	(1)	I	By Research Alliance Holdings IV LLC(2)

Explanation of Responses:

1. Class B Ordinary Shares have no expiration date and will automatically convert into Class A Ordinary Shares of the Issuer at the time of the Issuer's initial business combination on a one-for-one basis (subject to adjustment for sub-divisions, share dividends, reorganizations, recapitalizations and the like), or at any time prior thereto at the option of the holder on a one-for-one basis, subject to adjustment pursuant to certain anti-dilution rights.

2. The Reporting Person is the sole director of Research Alliance Holdings IV LLC (the "Sponsor"). As such, he has voting and investment discretion with respect to the securities held of record by the Sponsor and may be deemed to have beneficial ownership of the securities held directly by the Sponsor. The Reporting Person disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein, if any.

	/s/ Henry Stusnick, Attorney-in-Fact	07/10/2026
	** 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)