Rainier Acquisition CFO files initial ownership

Rainier Acquisition Corp (RNAQU) filed an initial insider ownership report for Guy Barudin, who is identified as the company’s Chief Financial Officer.

Rhea-AI Filing Summary

Rainier Acquisition Corp (RNAQU) filed an initial insider ownership report for Guy Barudin, who is identified as the company’s Chief Financial Officer. The filing is a Form 3, establishing him as a reporting person, and notes an attached Power of Attorney, but lists no reportable holdings or transactions.

Key Terms

Form 3, Chief Financial Officer, Power of Attorney, reporting person

4 terms

Form 3 regulatory

"The filing is a Form 3, establishing him as a reporting person"

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.

Chief Financial Officer financial

"identified as the company’s Chief Financial Officer"

A Chief Financial Officer (CFO) is the person in charge of a company's money and financial planning. They decide how to spend, save, and invest funds to help the company grow and stay stable. Their role is important because good financial decisions keep the company healthy and successful.

Power of Attorney regulatory

"remarks reference “Exhibit 24 - Power of Attorney”"

A power of attorney is a legal document that allows one person to make decisions and act on behalf of another person, often in financial or legal matters. It’s like giving someone a trusted helper or agent the authority to handle important tasks if you are unable to do so yourself. This matters to investors because it can impact how their assets are managed or transferred if they become unable to oversee their affairs.

reporting person regulatory

"establishing him as a reporting person"

FAQ

Who is the reporting insider in Rainier Acquisition Corp (RNAQU)'s Form 3?

The reporting insider is Guy Barudin, who is identified as the Chief Financial Officer of Rainier Acquisition Corp. The Form 3 establishes him as a reporting person subject to insider reporting requirements.

What type of filing did Rainier Acquisition Corp (RNAQU) submit for Guy Barudin?

Rainier Acquisition Corp submitted a Form 3, which is an initial statement of beneficial ownership of securities for insider reporting persons such as officers, directors, or large shareholders.

Does the Form 3 for RNAQU show any transactions by Guy Barudin?

No. The Form 3 data for Rainier Acquisition Corp shows no reported transactions for Guy Barudin, with buy, sell, acquire, dispose, and other transaction counts all indicated as zero.

Does the Form 3 indicate any current holdings for RNAQU’s CFO?

The structured data show no holding entries or derivative positions for Guy Barudin on this Form 3. It records his status as Chief Financial Officer but does not list specific securities positions.

What additional document is referenced in Rainier Acquisition Corp (RNAQU)'s Form 3?

The Form 3 remarks reference “Exhibit 24 - Power of Attorney”, indicating that a power of attorney document is associated with the filing, typically authorizing someone to sign SEC forms on the reporting person’s behalf.

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

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Available on EDGAR 09/02/2026 - 09:11 AM Accepted by SEC EDGAR 08/26/2026 - 05:27 PM 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^*

Barudin Guy

(Last) (First) (Middle)

1 PENN PLAZA, 48TH FLOOR

(Street)

NEW YORK NEW YORK 10119

(City) (State) (Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/26/2026

3. Issuer Name and Ticker or Trading Symbol
Rainier Acquisition Corp [ RNAQ ]

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)
	Chief Financial 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

Explanation of Responses:

Remarks:

Exhibit 24 - Power of Attorney

No securities are beneficially owned.

	/s/ Guy Barudin	08/26/2026
	** 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)