Further, in November 2016 the Company and the Former Parent entered into a stock repurchase agreement with respect to the originally issued 29,382,750 common shares under which the Company would be entitled to repurchase at $0.02 per share or cancel the identical number of common shares issued to the Former Parent which becomes subject to repurchase or cancellation by the Former Parent under the Former Parent Options and Former Parent RSUs if such options and RSUs are unvested when an employee is terminated or vested options expire unexercised. At the time of the Company’s incorporation, 5,451,507 common shares were issued by the Former Parent in respect of early exercises of the Former Parent Options, and 6,944,444 Former Parent RSU were unvested.
Note 13. Stock-based Compensation
2016 Stock Option and Grant Plan
In November 2016, the Company’s Board of Directors adopted the 2016 Stock Option and Grant Plan (the Plan) under which officers, employees, directors, consultants and other key persons of the Company or its affiliates may be granted incentive stock options, nonstatutory stock options, stock appreciation rights, restricted stock and restricted stock units (“RSUs”).
Under the Plan, stock options are generally granted with an exercise price equal to the estimated fair value of the Company’s common stock, as determined by the Company’s Board of Directors on the date of grant. Options generally have contractual terms of ten years. Incentive stock options (ISO) may only be granted to employees, whereas all other stock awards may be granted to employees, directors, consultants and other key persons.
Outstanding options generally vest over six years, contain a one-year cliff, are exercisable immediately and, upon early exercise, are subject to repurchase by the Company at the original exercise price. If an ISO is granted to an optionee who, at the time of grant, owns more than 10% of the voting power of all classes of capital stock, the term of the ISO is five years. Options issued under the Plan must be priced at no less than the fair value of the shares on the date of the grant provided, however, that the exercise price of an option granted to a 10% stockholder is not less than 110% of the fair value of the shares on the date of grant. The Board of Directors determines the exercisability provisions of a stock option agreement at its sole discretion.
The fair value of the RSU’s granted under the plan determined by the Company’s Board of Directors on the date of grant. Generally, RSUs have six years vesting period and contractual terms of ten years.
In May 2019, the Company cancelled 2,436,083 non-qualified employee stock options and subsequently re-issued incentive stock options and non-qualified employee stock options for the same total number of options. As part of the re-issuance, the exercise price for majority of shares was increased to fair market value, which the Company determined to be $0.70 per share. The original vesting terms were not changed. The Company accounted for this transaction as a stock option modification and calculated the fair value of the original options immediately prior to the modification and again after the modification occurred using the Black-Scholes option pricing model. The fair value of the modified options was less than the fair value of the original options immediately before the modification. As a result, no additional stock-based compensation was recognized.
The Company has also allowed certain option holders to exercise unvested options and stock purchase rights to purchase shares of common stock. Common shares received from such early exercises are subject to a right of repurchase at the original issuance price. The Company’s repurchase right with respect to these shares typically lapse over six years as the shares become vested.
Former Parent Plan
The Company concluded that the Former Parent Options and Former Parent RSUs represent in substance stock-based compensation awards of the Company (the “Former Parent Plan”) as they are designed to compensate the Company’s employees. As of June 30, 2021 and December 31, 2020, 305,659 and 608,687 common shares of the Company, respectively were subject to repurchase at $0.02 per share because they related to early exercises of Former Parent Options, and zero shares were subject to repurchase at $0.02 per share because related Former Parent RSUs were fully vested as of June 30, 2021 and December 31, 2020.
Other Stock-based Awards
In 2017, the Company issued 975,000 common stock options outside of the 2016 Option Plan. The options were fully exercised as of June 30, 2021 and December 31, 2020, and 633,750 and 682,500 shares of common stock, respectively, were subject to repurchase at a weighted average price of $0.1 per share and $0.1 million, was recorded as a stock repurchase lability in early exercised stock option liabilities on the condensed consolidated balance sheets.
The Company records stock-based compensation expense for stock options based on the estimated fair value of the options on the date of the grant using the Black-Scholes option-pricing model. The absence of a public market for the Company’s common stock requires the Company’s board of directors to estimate the fair value of its common stock for purposes of granting options and for determining stock-based compensation expense by considering several objective and subjective factors, including contemporaneous
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