AST SpaceMobile Inc. has announced a proposed private offering of $850.0 million aggregate principal amount of convertible senior notes due 2036. The notes will be offered to qualified institutional buyers pursuant to Rule 144A under the Securities Act of 1933. The company also intends to grant the initial purchasers of the notes an option to purchase up to an additional $150.0 million aggregate principal amount of notes within a 13-day period beginning on the issuance date. The notes will be senior, unsecured obligations of AST SpaceMobile, maturing on January 15, 2036, unless earlier converted, redeemed, or repurchased. They will be convertible into cash, shares of AST SpaceMobile's Class A common stock, or a combination of both, at the company's election. The interest rate and initial conversion rate for the notes will be determined upon pricing of the offering. Proceeds from the offering will be used for general corporate purposes, including funding the deployment of AST SpaceMobile's worldwide satellite constellation. No URL for the full prospectus is provided in the document.