 KEY BISCAYNE, Fla.--BUSINESS WIRE--Astrea Acquisition Corp. NASDAQ:ASAX, a publicly traded special purpose acquisition company, announced today that it has filed with the U.S. Securities and Exchange Commission SEC a preliminary proxy statement for a special meeting in lieu of the 2021 annual meeting of stockholders in connection with its previously announced proposed business combination with HotelPlanner, a hotel and event booking technology platform, and Reservations.com, a premier o 