ASR director reports 132 Series B shares

SOUTHEAST AIRPORT GROUP director reports initial share holdings.

Rhea-AI Filing Summary

SOUTHEAST AIRPORT GROUP director reports initial share holdings. Director Maria Isabel Prieto Prieto has filed an initial Form 3 disclosing direct beneficial ownership of 132 Series B Shares of the company as of March 31, 2026. This filing records her existing position and does not report any new share purchases or sales.

Insider Trade Summary

1 transaction reported

Mixed 1 txn

Insider Prieto Prieto Maria Isabel

Role Director

Type	Security	Shares	Price	Value
holding	Series B Shares	--	--	--

Holdings After Transaction: Series B Shares — 132 shares (Direct)

Key Figures

Director share holdings: 132 Series B Shares

1 metrics

Director share holdings 132 Series B Shares Direct beneficial ownership as of March 31, 2026

Key Terms

Form 3, beneficial ownership, Series B Shares

3 terms

Form 3 regulatory

"Director has filed an initial Form 3 disclosing ownership"

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.

beneficial ownership financial

"disclosing direct beneficial ownership of 132 Series B Shares"

Beneficial ownership means the person or entity that actually enjoys the benefits of owning shares or other assets — such as receiving dividends, voting rights, or price gains — even if the legal title is held in another name. For investors it matters because knowing who truly controls and profits from a company reveals who can influence decisions, exposes potential conflicts of interest or hidden concentration of power, and affects transparency and risk in the stock.

Series B Shares financial

"direct beneficial ownership of 132 Series B Shares of the company"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the ASR Form 3 filed by Maria Isabel Prieto Prieto show?

The Form 3 shows that director Maria Isabel Prieto Prieto directly owns 132 Series B Shares of SOUTHEAST AIRPORT GROUP. It is an initial beneficial ownership report, not a record of new share purchases or sales.

Is the ASR Form 3 for Maria Isabel Prieto Prieto a buy or sell transaction?

The filing does not disclose any buy or sell transaction. It is a holding entry that simply reports that she directly owns 132 Series B Shares, establishing her ownership position as of the reported date.

How many SOUTHEAST AIRPORT GROUP shares does the director report owning?

Director Maria Isabel Prieto Prieto reports direct ownership of 132 Series B Shares of SOUTHEAST AIRPORT GROUP. This figure represents her total direct holdings following the reported position on the Form 3 filing date.

Does the ASR Form 3 indicate indirect or entity-held shares?

The Form 3 indicates direct ownership of 132 Series B Shares, with the ownership type coded as “D” for direct. There is no disclosure in this filing of indirect, trust, or entity-held positions for the reporting person.

Why is a Form 3 filed for ASR director Maria Isabel Prieto Prieto?

Form 3 is filed to report initial beneficial ownership when someone becomes a director, officer, or large shareholder. In this case, it records that she directly owns 132 Series B Shares of SOUTHEAST AIRPORT GROUP as her starting reported position.

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

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Accepted by SEC EDGAR 03/31/2026 - 08:01 PM EDT 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^*

Prieto Prieto Maria Isabel

(Last) (First) (Middle)

BOSQUE DE ALISOS 47A PISO 4

BOSQUES DE LAS LOMAS

(Street)

CUAJIMALPA DISTRITO FEDERAL 05120

(City) (State) (Zip)

MEXICO

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
03/31/2026

3. Issuer Name and Ticker or Trading Symbol
SOUTHEAST AIRPORT GROUP [ ASR ]

3a. Foreign Trading Symbol
[ASUR]

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)
Series B Shares	132	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:

	/s/ Prieto Prieto Maria Isabel	03/31/2026
	** 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)