Cayson Acquisition (CAPN) Form 3 shows zero beneficial ownership

Rhea-AI Filing Summary

Cayson Acquisition Corp. (CAPN) filed a Form 3 reporting the initial beneficial ownership of director Sanxin Yan. The filing states no securities are beneficially owned. The event requiring the statement occurred on 10/10/2025, and the form was filed by one reporting person.

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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

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1. Name and Address of Reporting Person^*

Yan Sanxin

(Last) (First) (Middle)

C/O CAYSON ACQUISITION CORP.

205 W. 37TH STREET

(Street)

NEW YORK NY 10018

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/10/2025

3. Issuer Name and Ticker or Trading Symbol
Cayson Acquisition Corp [ CAPN ]

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

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

5. 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 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.

	Sanxin Yan	10/22/2025
	** 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 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.

FAQ

What did CAPN file in this disclosure?

A Form 3, the initial statement of beneficial ownership for a reporting person.

Who is the reporting person in CAPN’s Form 3?

Sanxin Yan.

What is the reporting person’s relationship to CAPN?

Director.

Did the Form 3 report any beneficial ownership?

No. The filing states No securities are beneficially owned.

What is the date of the event requiring the statement?

10/10/2025.

Was the filing made by one person or a group?

It was filed by one reporting person.

What is the issuer name and ticker?

Cayson Acquisition Corp. (CAPN).