 AUSTIN, Texas--BUSINESS WIRE--Astrotech Corporation NASDAQ: ASTC, today announced that, due to demand, the underwriter has agreed to increase the size of the previously announced public offering and purchase on a firm commitment basis 21,639,851 shares of common stock of the Company at a price to the public of 1.50 per share, less underwriting discounts and commissions. The closing of the offering is expected to occur on or about April 12, 2021, subject to satisfaction of customary closing 