ASR (ASR) director Heliane Steden files initial Form 3 ownership statement

Rhea-AI Filing Summary

SOUTHEAST AIRPORT GROUP director Heliane Marie Luise Steden has filed an initial Form 3, which is a statement of beneficial ownership for company insiders. The data provided shows no reported transactions, holdings, or derivative positions in this filing excerpt.

Key Terms

Form 3, beneficial ownership, reporting person, director

4 terms

Form 3 regulatory

"initial Form 3, which is a statement of beneficial 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

"Form 3, which is a statement of beneficial ownership for company insiders"

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.

reporting person regulatory

"reports director Heliane Marie Luise Steden as a new reporting person"

director financial

"identifies Heliane Marie Luise Steden as a director of SOUTHEAST AIRPORT GROUP"

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^*

Steden Heliane Marie Luise

(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)

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.

	/s/ Steden Heliane Marie Luise	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)

FAQ

What does the ASR Form 3 filing by Heliane Marie Luise Steden show?

The Form 3 filing for SOUTHEAST AIRPORT GROUP (ASR) reports director Heliane Marie Luise Steden as a new reporting person, with no transactions, holdings, or derivative positions disclosed in the provided data excerpt.

Does the ASR Form 3 include any insider stock purchases or sales?

No. The Form 3 data for ASR lists zero buy and sell transactions, and shows no derivative exercises or other activity. It functions purely as an initial beneficial ownership statement in this excerpt.

What insider role is reported for Heliane Marie Luise Steden at ASR?

The filing identifies Heliane Marie Luise Steden as a director of SOUTHEAST AIRPORT GROUP. She is not reported as an officer or 10% owner in the Form 3 data provided.

Are any options or derivatives reported in this ASR Form 3?

No derivative positions are listed. The derivativeSummary is empty and the transaction summary shows zero derivative transactions, exercises, gifts, tax withholdings, or restructurings for this director.

Does this ASR Form 3 indicate a change in ownership or just registration?

The Form 3 serves as an initial registration of insider status for the director. With no transactions or holdings disclosed in the excerpt, it does not indicate a change in ownership levels.