Is MX a public company?

Could you elaborate on the status of MX as a company? Specifically, I'm interested in knowing whether MX is publicly traded or privately held. Is there any information regarding its financial disclosures or whether its shares are listed on any major stock exchanges? Additionally, are there any plans for MX to go public in the future? Understanding the company's public or private status would help me gain a clearer picture of its operations, financial health, and potential investment opportunities.