Humana (NYSE:Tighten) prices Public offer 1.25b in the amount of 1.25 billion in the overall main amount of older notes. These older notes consist of 750 million dollars of older 5.55% older notes, with 2035. at 99,885% of the main amount and $ 500 million from 6.00% older notes, by 2055, to 98,951% of