AUNA S.A. (AUNA) director reports 67,548 Class A shares in Form 3

Rhea-AI Filing Summary

AUNA S.A. director Robert Oberrender filed an initial statement of beneficial ownership on Class A Common Shares. He reports holding 67,548 Class A Common Shares directly. A footnote explains this total includes 21,299 common shares underlying outstanding restricted share units, showing both owned shares and equity-based awards.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider OBERRENDER ROBERT

Role Director

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

Holdings After Transaction: Class A Common Shares — 67,548 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

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1. Name and Address of Reporting Person^*

OBERRENDER ROBERT

(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	67,548(1)	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. Includes 21,299 common shares underlying outstanding restricted share units.

Remarks:

Exhibit 24 - Power of Attorney

	/s/ Carolina Brovelli, attorney-in-fact for Robert Oberrender	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 Robert Oberrender report in this Form 3?

Director Robert Oberrender reports beneficial ownership of 67,548 AUNA Class A Common Shares. The filing is an initial ownership statement, not a trade report, outlining his direct equity stake in the company at the time of the filing.

How many AUNA (AUNA) shares does Robert Oberrender beneficially own?

Robert Oberrender beneficially owns 67,548 AUNA Class A Common Shares. This figure reflects his direct holdings as disclosed in the Form 3, establishing a baseline of his ownership as a director of the company.

What portion of Robert Oberrender’s AUNA (AUNA) holdings are restricted share units?

The filing notes that 21,299 of Oberrender’s reported AUNA shares are underlying outstanding restricted share units. These RSUs represent equity awards that convert into common shares under specified conditions, forming part of his total beneficial ownership.

Does the AUNA (AUNA) Form 3 show any recent insider buying or selling?

The Form 3 does not show explicit insider buying or selling activity. It functions as an initial statement of beneficial ownership, documenting Oberrender’s existing stake in AUNA rather than reporting new market transactions or option exercises.

What type of security does Robert Oberrender hold in AUNA (AUNA)?

Oberrender holds AUNA Class A Common Shares, as disclosed in the Form 3. His 67,548-share position, including 21,299 shares underlying restricted share units, represents his reported equity interest as a director of the company.