AUNA S.A. (AUNA) director Oscar Bacherer Fastoni files Form 3

Rhea-AI Filing Summary

AUNA S.A. director Oscar Leonardo Bacherer Fastoni filed an initial Form 3 reporting his status as a director of the company. The filing does not list any reportable transactions or derivative positions, and the transaction summary shows no buys, sells, exercises, gifts, or other changes in holdings.

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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^*

BACHERER FASTONI OSCAR LEONARDO

(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)

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/ Carolina Brovelli, attorney-in-fact for Leonardo Bacherer	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 the AUNA Form 3 filing by Oscar Leonardo Bacherer Fastoni indicate?

The Form 3 shows that Oscar Leonardo Bacherer Fastoni is a director of AUNA S.A.. It is an initial statement of beneficial ownership and reports no transactions, exercises, gifts, or restructuring events in the company’s securities.

Were any AUNA (AUNA) shares bought or sold in this Form 3?

No. The transaction summary in the Form 3 shows zero buys, zero sells, and no other reportable transactions. It simply records the insider’s status without indicating any recent trading activity in AUNA S.A. securities.

Does the AUNA Form 3 show any option exercises or derivative activity?

No. The Form 3 derivative summary is empty and the transaction summary lists zero derivative transactions and zero option or similar exercises, indicating no reported derivative activity tied to AUNA S.A. at this time.

What role does the reporting person have at AUNA S.A. in this Form 3?

The reporting person, Oscar Leonardo Bacherer Fastoni, is identified as a director of AUNA S.A. He is not flagged as an officer or ten percent owner in the filing’s role indicators.

Does this AUNA Form 3 suggest any change in insider ownership?

The Form 3’s transaction summary shows no buys, sells, gifts, or other changes. It functions as an initial ownership statement, without disclosing any recent adjustments to the insider’s position in AUNA S.A. securities.