AUNA (AUNA) director Pinillos discloses Class A and B share stakes on Form 3

Rhea-AI Filing Summary

AUNA S.A. director Luis Felipe Pinillos Casabonne filed an initial Form 3 showing his ownership in the company’s shares. He directly holds 1,500 Class A Common Shares and 4,007,817 Class B Common Shares. He also has an indirect interest in 4,983 Class A Common Shares held by his spouse.

The Class B Common Shares are convertible into Class A Common Shares on a one-for-one basis, either at the holder’s option or automatically upon certain non-permitted transfers, as described in the company’s articles of association. This filing establishes his starting ownership position as an insider.

Insider Trade Summary

3 transactions reported

Mixed 3 txns

Insider Pinillos Casabonne Luis Felipe

Role Director

Type	Security	Shares	Price	Value
holding	Class A Common Shares	--	--	--
holding	Class A Common Shares	--	--	--
holding	Class B Common Shares	--	--	--

Holdings After Transaction: Class A Common Shares — 1,500 shares (Direct); Class A Common Shares — 4,983 shares (Indirect, By spouse); Class B Common Shares — 4,007,817 shares (Direct)

Footnotes (1)

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Understanding Insider Trading Forms →

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

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1. Name and Address of Reporting Person^*

Pinillos Casabonne Luis Felipe

(Last) (First) (Middle)

6, RUE JEAN MONNET

(Street)

LUXEMBOURG GRAND DUCHY OF LUXEMBOURG L-2180

(City) (State) (Zip)

LUXEMBOURG

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/18/2026

3. Issuer Name and Ticker or Trading Symbol
AUNA S.A. [ AUNA ]

3a. Foreign Trading Symbol
[AUNA]

5. If Amendment, Date of Original Filed (Month/Day/Year)

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

X	Director		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)
Class A Common Shares	1,500	D
Class A Common Shares	4,983	I	By spouse
Class B Common Shares(1)	4,007,817	D

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:

1. Each Class B Common Share is convertible into one Class A Common Share: (i) at any time at the option of the holder of such Class B Common Share or (ii) automatically upon any transfer that is not a permitted transfer in accordance with the Issuer's articles of association.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Carolina Brovelli, attorney-in-fact for Luis Felipe Pinillos	03/18/2026
	** 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)

FAQ

What does AUNA (AUNA) director Luis Felipe Pinillos report on this Form 3?

The Form 3 reports his initial insider ownership in AUNA. He directly holds 1,500 Class A Common Shares and 4,007,817 Class B Common Shares, plus an indirect interest in 4,983 Class A Common Shares held by his spouse, establishing his baseline stake.

How many AUNA (AUNA) Class A Common Shares does the director own?

He directly owns 1,500 Class A Common Shares of AUNA. In addition, there is an indirect holding of 4,983 Class A Common Shares through his spouse, reflecting both personal and spousal positions reported for regulatory transparency under insider ownership rules.

What Class B Common Share position is disclosed for AUNA (AUNA)?

The filing shows he directly holds 4,007,817 Class B Common Shares of AUNA. These shares are a separate class from Class A Common Shares and carry a conversion feature into Class A, as explained in the accompanying footnote to the ownership disclosure.

How are AUNA (AUNA) Class B Common Shares convertible into Class A?

Each Class B Common Share is convertible into one Class A Common Share. Conversion occurs either at the option of the Class B holder at any time, or automatically upon certain transfers that are not permitted under AUNA’s articles of association, according to the filing’s footnote.

What indirect AUNA (AUNA) holdings by the director’s spouse are disclosed?

The Form 3 notes 4,983 Class A Common Shares held indirectly through the director’s spouse. This reflects spousal ownership categorized as indirect, helping present a fuller picture of total interests associated with the reporting person under insider reporting requirements.

Does this AUNA (AUNA) Form 3 show any insider buying or selling activity?

No specific buying or selling transactions are reported; it is an initial ownership statement. The entries are classified as holdings, listing the director’s direct and indirect positions in Class A and Class B Common Shares rather than recording new trades or option exercises.