Research Alliance Corp III officer files Form 3

Research Alliance Corp III officer Henry William Stusnick, the company’s COO and CBO, filed an initial Form 3 reporting his status as an insider.

Rhea-AI Filing Summary

Research Alliance Corp III officer Henry William Stusnick, the company’s COO and CBO, filed an initial Form 3 reporting his status as an insider. The filing shows no reported transactions, no share purchases or sales, and no derivative positions disclosed at this time.

Key Terms

Form 3, COO and CBO, derivative positions

3 terms

Form 3 regulatory

"filed an initial Form 3 reporting his status as an insider"

Form 3 is the initial public filing that officers, directors and large shareholders must submit to report their ownership of a company’s securities when they become insiders. It acts like an opening inventory sheet that gives investors a starting point to see who holds significant stakes and to spot later trades or potential conflicts of interest, helping assess insider confidence and transparency.

COO and CBO financial

"Henry William Stusnick, the company’s COO and CBO"

derivative positions financial

"no derivative positions disclosed at this time"

Derivative positions are contracts that derive their value from an underlying asset—such as a stock, bond, currency or commodity—and include instruments like options, futures and swaps. Think of them as bets or insurance tied to an asset’s future price: they let investors amplify returns, hedge risk or take exposure without owning the asset directly, which can meaningfully increase potential gains, losses and volatility in a portfolio.

FAQ

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

What does the Research Alliance Corp III (RACC) Form 3 filing show?

The Form 3 for Research Alliance Corp III shows that Henry William Stusnick, the COO and CBO, has filed his initial insider ownership report. It does not list any transactions or derivative positions at this time.

Who is the insider named in the RACC Form 3 filing?

The insider named is Henry William Stusnick, who serves as Chief Operating Officer and Chief Business Officer of Research Alliance Corp III. He is identified as an officer, not a director or ten percent owner.

Does the RACC Form 3 filing report any share purchases or sales?

No, the Form 3 filing reports no share purchases or sales by Henry William Stusnick. The transaction summary shows zero buy, sell, acquire, dispose, gift, tax withholding, and restructuring transactions, and zero net buy or sell shares.

Are any derivative securities reported in the RACC Form 3?

No derivative securities are reported in this Form 3. The derivative summary is empty, and the transaction summary shows zero derivative transactions and zero exercised shares, indicating no options or similar instruments are disclosed here.

Is Henry William Stusnick a ten percent owner of RACC according to the Form 3?

According to the Form 3 details, Henry William Stusnick is listed as an officer but not as a ten percent owner of Research Alliance Corp III. The ten percent owner indicator for him is set to zero.

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

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Accepted by SEC EDGAR 05/19/2026 - 04:10 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^*

Stusnick Henry William

(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)

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

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/ Henry Stusnick	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)