Who is sandbox owned by?

Could you please elaborate on the ownership structure of Sandbox? I'm particularly interested in understanding who the primary owner or owners are, and if there are any significant shareholders or stakeholders involved. Could you also provide some insight into the company's governance structure and how decisions are made within the organization? Additionally, is there any public information available regarding the ownership of Sandbox that I could refer to for further details? Thank you for your assistance in clarifying this matter.