OMA addresses unusual trading volume in Mexico

Mexican airport operator Grupo Aeroportuario del Centro Norte (OMA) states it has no knowledge of any event that would explain a breach of the traded volume parameter on Mexico’s stock exchanges.

Rhea-AI Filing Summary

Mexican airport operator Grupo Aeroportuario del Centro Norte (OMA) states it has no knowledge of any event that would explain a breach of the traded volume parameter on Mexico’s stock exchanges. With the information it has, the company is not aware of trading involvement by its board members or key executives, and its share repurchase program was inactive during this period.

OMA says any additional relevant information will be disclosed to the market in a timely way and reiterates its commitment to keep investors informed of future relevant events. The report also includes a standard caution that its forward-looking statements are subject to risks and uncertainties described in its latest Form 20-F.

Key Terms

traded volume parameter, repurchase program, forward-looking statements, Risk Factors, +1 more

5 terms

traded volume parameter financial

"no knowledge of any event that could be causing the breach of the traded volume parameter"

repurchase program financial

"additionally, the repurchase program did not operate during this period"

A repurchase program is when a company buys back its own shares from the open market. This reduces the total number of shares available, which can increase the value of each remaining share and signal confidence in the company's future. For investors, it often suggests that the company believes its stock is undervalued and can be a sign of financial strength.

forward-looking statements regulatory

"This report may contain forward-looking information and statements"

Forward-looking statements are predictions or plans that companies share about what they expect to happen in the future, like estimating sales or profits. They matter because they help investors understand a company's outlook, but since they are based on guesses and assumptions, they can sometimes be wrong.

Risk Factors regulatory

"those discussed in our most recent annual report filed on Form 20-F under the caption “Risk Factors.”"

Risk factors are elements or conditions that could cause an investment's value to decrease or lead to potential losses. They are like warning signs or obstacles that can affect the success of an investment, making it uncertain or more unpredictable. Recognizing risk factors helps investors understand the possible challenges and make more informed decisions.

foreign private issuer regulatory

"FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER"

A foreign private issuer is a company organized outside the United States that meets tests showing it is primarily foreign-controlled and therefore qualifies for a different set of U.S. reporting rules. For investors, that means the company files less frequent or differently formatted disclosures with U.S. regulators and may follow home-country accounting and governance practices, so buying its stock is like dining at a well-reviewed restaurant that follows its home kitchen’s rules instead of the local menu — you get access but should check what standards apply.

FAQ

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

What did Grupo Aeroportuario del Centro Norte (OMAB) disclose in this 6-K filing?

OMA disclosed that it currently has no knowledge of any event explaining a breach of the traded volume parameter on Mexico’s stock exchanges. The company also noted no board members, key executives, or its repurchase program were involved in the trading movements during this period.

Did OMA report insider trading or executive involvement in recent OMAB share movements?

OMA stated it is not aware that any board member or relevant executive officer participated in the recent trading movements. This conclusion is based on information currently available to the issuer and is meant to address concerns about potential insider activity affecting traded volume.

Was OMA’s share repurchase program active during the recent trading period?

OMA reported that its repurchase program did not operate during the period in which the traded volume parameter was breached. This indicates the company itself was not buying back shares, helping clarify that the unusual trading was not driven by an authorized repurchase program.

How will Grupo Aeroportuario del Centro Norte (OMAB) handle any new information on trading activity?

OMA stated that if any supplementary information arises, it will be disclosed to the market in a timely manner. The company reiterated its commitment to inform the market of any relevant future events, emphasizing transparency with investors and regulators regarding trading activity.

What forward-looking statement warnings did OMA include in this filing?

OMA cautioned that its forward-looking statements are predictions based on current information and expectations, not historical facts. It highlighted that actual results may differ materially due to various risks and uncertainties, including those described under “Risk Factors” in its most recent Form 20-F.

What business operations of OMA are highlighted in this 6-K report?

The report notes that OMA operates 13 international airports in nine Mexican states, including Monterrey and tourist destinations such as Acapulco and Mazatlán. It also operates hotels at Mexico City and Monterrey airports and employs over 1,200 people to provide airport and commercial services.

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

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Accepted by SEC EDGAR 04/16/2026 - 08:34 AM EDT Learn about SEC filing dates

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 UNDER

THE SECURITIES EXCHANGE ACT OF 1934

For the month of April

GRUPO AEROPORTUARIO DEL CENTRO NORTE, S.A.B. DE C.V.

(CENTRAL NORTH AIRPORT GROUP)

(Translation of Registrant’s Name Into English)

México

(Jurisdiction of incorporation or organization)

Torre Latitud, L501, Piso 5

Av. Lázaro Cárdenas 2225

Col. Valle Oriente, San Pedro Garza García

Nuevo León, México

(Address of principal executive offices)

(Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.)

  Form 20-F  ☒    Form 40-F ☐

(Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.)

   Yes ☐     No  ☒  

(If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-             .)

          OMA responds to Mexican Stock Exchange’s request regarding today’s trading volume

Mexico City, Mexico, April 15, 2026— Mexican airport operator Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., known as OMA (NASDAQ: OMAB; BMV: OMA), informs that it currently has no knowledge of any event that could be causing the breach of the traded volume parameter of Mexico’s Stock Exchanges. With the current information available to the issuer, it is not aware that any of the members of its Board of Directors or any of its relevant executive officers participated in such trading movements; additionally, the repurchase program did not operate during this period.

If any supplementary information exists, it will be disclosed to the market in a timely manner. OMA reiterates its commitment to inform the market of any relevant event that occurs in the future.

This report may contain forward-looking information and statements. Forward-looking statements are statements that are not historical facts. These statements are only predictions based on our current information and expectations and projections about future events. Forward-looking statements may be identified by the words “believe,” “expect,” “anticipate,” “target,” “estimate,” or similar expressions. While OMA’s management believes that the expectations reflected in such forward-looking statements are reasonable, investors are cautioned that forward-looking information and statements are subject to various risks and uncertainties, many of which are difficult to predict and are generally beyond the control of OMA, that could cause actual results and developments to differ materially from those expressed in, or implied or projected by, the forward-looking information and statements. These risks and uncertainties include, but are not limited to, those discussed in our most recent annual report filed on Form 20-F under the caption “Risk Factors.” OMA undertakes no obligation to update publicly its forward-looking statements, whether as a result of new information, future events, or otherwise. 

About OMA

Grupo Aeroportuario del Centro Norte, S.A.B. de C.V., known as OMA, operates 13 international airports in nine states of central and northern Mexico. OMA’s airports serve Monterrey, Mexico’s third largest metropolitan area, the tourist destinations of Acapulco, Mazatlán, and Zihuatanejo, and nine other regional centers and border cities. OMA also operates the NH Collection Hotel inside Terminal 2 of the Mexico City airport and the Hilton Garden Inn at the Monterrey airport. OMA employs over 1,200 people to offer passengers and clients airport and commercial services in facilities. OMA is listed on the Mexican Stock Exchange (OMA) and on the NASDAQ Global Select Market (OMAB). Since December 2022, OMA is part of VINCI Airports, the world´s leading private airport operator.

Webpage: www.oma.aero

X: http://twitter.com/OMAeropuertos

Facebook https://www.facebook.com/OMAeropuertos 

Director de Administración y Finanzas: Ruffo Pérez Pliego +52 (81) 8625 4300 rperezpliego@oma.aero www.oma.aero Relación con Inversionistas: Emmanuel Camacho +52 (81) 8625 4308 ecamacho@oma.aero

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Grupo Aeroportuario del Centro Norte, S.A.B. de C.V.

By:	/s/  Ruffo Pérez Pliego
	Ruffo Pérez Pliego
	Chief Financial Officer

Dated: April 16, 2026