definiens: of CBM Cornrmn Stock shall mean : the lower of ( i ) the average of the closing prices as reported by NASDAQ or by such other principal securities exchange on which the shares are traded, as applicable, over the thiny ( 30 ) trading days preceding the date on which payment is due -19 -or ( ii ) the closing price as reported by NASDAQ or such other exchange on the date on which payment was due . Delivery of any shares of Conunon Stock shall take place no later than five ( 5 ) days after the repayment date . Notwithstanding the foregoing, in the event that at any time during thel ~ ixty - five ( 65 ) day period{ollOWing the date on which repayment under the Note is due, CBM makes a public disclosure regarding material adverse infonnation which was known to CBM on the repayment date but which had not been publicly disclosed and the trading price of CBM Conunon Stock on the second full trading day after public release of the infonnation is lower than the per share of any shares issued to BIOGEN, as determined above, the of the shares issued to BIOGEN shall be retroactively adjusted based on such lower price and additional shares shall be issued to BIOGEN to make up the shortfall