Research Alliance III holder reports Class B stake

Research Alliance Holdings III LLC /Cayman filed an initial ownership report for Research Alliance Corp III, showing direct holdings of 1,245,269 Class B Ordinary Shares.

Rhea-AI Filing Summary

Research Alliance Holdings III LLC /Cayman filed an initial ownership report for Research Alliance Corp III, showing direct holdings of 1,245,269 Class B Ordinary Shares. These Class B shares have no expiration date and are convertible into Class A Ordinary Shares on a one-for-one basis.

The footnote explains that the Class B shares will automatically convert into Class A Ordinary Shares at the time of the issuer's initial business combination on a one-for-one basis, or at any time earlier at the holder's option, with potential adjustments for anti-dilution events such as share splits, dividends, reorganizations, or recapitalizations.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Research Alliance Holdings III LLC /Cayman

Role Director, 10% Owner

Type	Security	Shares	Price	Value
holding	Class B Ordinary Shares	--	--	--

Holdings After Transaction: Class B Ordinary Shares — 1,245,269 contracts (Direct)

Footnotes (1)

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.

Key Figures

Class B Ordinary Shares held: 1,245,269 shares Underlying Class A shares: 1,245,269 shares Conversion ratio: 1 Class B for 1 Class A +1 more

4 metrics

Class B Ordinary Shares held 1,245,269 shares Direct holdings reported in initial ownership statement

Underlying Class A shares 1,245,269 shares One-for-one conversion from Class B Ordinary Shares

Conversion ratio 1 Class B for 1 Class A Automatic or optional conversion basis, subject to adjustments

Exercise/conversion price $0.0000 per share Listed exercise price for Class B into Class A conversion

Key Terms

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

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.

Class A Ordinary Shares financial

"convert into Class A Ordinary Shares of the Issuer at the time"

Class A ordinary shares are a type of ownership stake in a company that typically grants voting rights to shareholders, allowing them to have a say in important company decisions. They often come with priority in receiving dividends or profits, making them attractive to investors seeking influence and potential income. These shares help distinguish different levels of ownership and rights within a company's stock structure.

initial business combination financial

"at the time of the Issuer's initial business combination on a one-for-one basis"

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

"subject to adjustment pursuant to certain anti-dilution rights"

FAQ

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

What does Research Alliance Holdings III LLC disclose in this RACC filing?

Research Alliance Holdings III LLC reports holding 1,245,269 Class B Ordinary Shares of Research Alliance Corp III. These shares are directly owned and represent the entity’s initial statement of beneficial ownership in the company’s equity structure.

How do RACC Class B Ordinary Shares convert into Class A Ordinary Shares?

The Class B Ordinary Shares automatically convert into Class A Ordinary Shares at the time of the issuer's initial business combination on a one-for-one basis. They may also be converted earlier at the holder’s option, subject to specified anti-dilution adjustments.

Do the Class B Ordinary Shares in RACC have an expiration date?

The Class B Ordinary Shares reported in this filing have no expiration date. They remain outstanding until they automatically convert into Class A Ordinary Shares at the initial business combination or are optionally converted earlier by the holder.

What anti-dilution protections apply to RACC Class B Ordinary Shares?

The Class B Ordinary Shares include anti-dilution rights that adjust the one-for-one conversion into Class A Ordinary Shares. Adjustments can occur for sub-divisions, share dividends, reorganizations, recapitalizations, and similar corporate events affecting the share structure.

How many underlying Class A Ordinary Shares are tied to the reported RACC position?

The filing shows 1,245,269 Class B Ordinary Shares, each convertible into one Class A Ordinary Share. This corresponds to 1,245,269 underlying Class A Ordinary Shares on a one-for-one conversion basis, before any anti-dilution adjustments.

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

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Accepted by SEC EDGAR 05/19/2026 - 04:17 PM EDT 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^*

Research Alliance Holdings III LLC /Cayman

(Last) (First) (Middle)

C/O RESEARCH ALLIANCE CORPORATION III

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)
05/19/2026

3. Issuer Name and Ticker or Trading Symbol
Research Alliance Corp III [ RACC ]

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
	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
Class B Ordinary Shares	(1)	(1)	Class A Ordinary Shares	1,245,269	(1)	D

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.

Remarks:

Matthew Hammond, the sole director of the Reporting Person, serves on the Issuer's board of directors.

	Research Alliance Holdings III LLC by Matthew Hammond, Director	05/19/2026
	** 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)