Quarterly report pursuant to Section 13 or 15(d)

4. Stock Option Plan (Tables)

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4. Stock Option Plan (Tables)
6 Months Ended
Jun. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Stock option activity
          Options Outstanding  
    Options Available     Number ofOptions     Weighted-Average Exercise Price  
Balances at January 1, 2017     420,000       280,000     $ 0.001  
Option pool increase(1)     900,000                  
Granted(2)     (378,592 )     378,592       1.63  
Forfeited                  
Exercised                  
Balances at December 31, 2017     941,408       658,592       0.94  
Granted(3)     (37,004 )     37,004       6.00  
Forfeited(4)     34,167       (34,167 )     6.00  
Exercised                  
Balances at June 30, 2018     938,571       661,429     $ 0.96  

 

(1) In October 2017, the Company’s Board of Directors increased the option pool to 1,600,000 shares.

 

(2) 336,544 options vest 6/48ths at the six-month anniversary of grant date and 1/48th per month thereafter; 21,024 options vest 6/24ths on the six-month anniversary of grant date and 1/24th per month thereafter; and 21,024 options vest 6/42nds on the six-month anniversary of grant date and 1/42nd per month thereafter.

 

(3) 32,004 options vest as follows: options to purchase up to 12,000 shares of common stock vest on the grant date, options to purchase up to 1,667 shares of common stock vest on the 1st of each month thereafter. 5,000 options vest 6/48ths on the grant date and 1/48th per month thereafter.

 

(4) Options forfeited as a result of an employee termination.
Summary of options outstanding
  Exercise Prices     Number of Shares subject to Options Outstanding   Weighted Average Remaining Contractual Term   Number of Shares Subject to Options Fully Vested and Exercisable   Weighted Average Remaining Contractual Term
  $ 0.001       555,520    8.2 years     371,840    8.0 years
  $ 6.00       105,909    9.3 years     43,228   9.4 years
      661,429         415,068