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The vesting schedule for the 12,270 restricted stock units is as follows: 4,090 shares vested on March 21, 2018; 4,090 shares will vest on March 21, 2019; 4,090 shares will vest on March 21, 2020.  Vested units of restricted stock can be settled in shares of common stock, cash or a combination of both."},{"field":"price","element":"transactionPricePerShare","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of common stock.  The vesting schedule for the 12,270 restricted stock units is as follows: 4,090 shares vested on March 21, 2018; 4,090 shares will vest on March 21, 2019; 4,090 shares will vest on March 21, 2020.  Vested units of restricted stock can be settled in shares of common stock, cash or a combination of both."},{"field":"derivative.exercise_date","element":"exerciseDate","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of common stock.  The vesting schedule for the 12,270 restricted stock units is as follows: 4,090 shares vested on March 21, 2018; 4,090 shares will vest on March 21, 2019; 4,090 shares will vest on March 21, 2020.  Vested units of restricted stock can be settled in shares of common stock, cash or a combination of both."},{"field":"derivative.expiration_date","element":"expirationDate","label":"F1","text":"Each restricted stock unit represents a contingent right to receive one share of common stock.  The vesting schedule for the 12,270 restricted stock units is as follows: 4,090 shares vested on March 21, 2018; 4,090 shares will vest on March 21, 2019; 4,090 shares will vest on March 21, 2020.  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The option allows for early exercise, subject to the Issuer's repurchase option with respect to any unvested common shares. 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