(b) Common Stock
1. Dividends
Subject to the rights of holders of all classes of Company stock outstanding having rights that are senior to or equivalent to holders of common stock, the holders of the common stock are entitled to receive dividends when and as declared by the Board.
2. Liquidation
Subject to the rights of holders of all classes of stock outstanding having rights that are senior to or equivalent to holders of common stock as to liquidation, upon the liquidation, dissolution or winding up of the Company, the assets of the Company will be distributed to the holders of common stock.
3. Voting
The holders of common stock are entitled to 1 vote for each share of common stock held. There is no cumulative voting.
(c) Preferred Stock
Preferred stock may be issued from time to time by the Board in one or more series. There was 0 preferred stock issued or outstanding as of September 30, 2021 or December 31, 2020.
(d) Warrants
In conjunction with the IPO, the Company granted the underwriters 100,000 warrants to purchase shares of Company common stock at an exercise price of $7.50 per share, which was 125% of the initial public offering price. The warrants have a five-year term and are exercisable commencing January 29, 2021. During the nine months ended September 30, 2021, 97,600 of the warrants were tendered to the Company by the holders pursuant to cashless exercises. As of September 30, 2021 and December 31, 2020, 2,400 and 100,000 of the warrants were outstanding, respectively. The Company accounts for the warrants as a component of stockholders’ equity.
(10) Share-Based Compensation
Effective upon the closing of the Company’s IPO on January 31, 2020, the Company’s 2019 Equity Incentive Plan (the “2019 Plan”) became effective, succeeding the Company’s previous plan (see Note 1). As of the effective date of the 2019 Plan, the previous plan had 352,282 options outstanding 2019 Plan and no new awards may be issued under the previous plan, although shares subject to grants which are cancelled or forfeited will again be available under the 2019 Plan. Effective June 1, 2021, the 2019 Plan was amended to increase the number of shares authorized to be issued from 1,000,000 shares to 2,000,000. As of September 30, 2021, 1,084,464 shares were available for future grants.
During the nine months ended September 30, 2021, the Company granted options to purchase 84,200 shares of common stock at an exercise price of $102.85 per share to employees, members of its board of directors and consultants. Under the grant agreements, all of the options vest in substantially equal quarterly installments over two years and have a 10-year term. The options granted during the nine months ended September 30, 2021 were valued using the Black Scholes option pricing model using the following assumptions: (i) expected term of 5.6 years; (ii) risk free interest rate of 0.87%; (iii) expected volatility of 104.0%; and (iv) dividend yield of 0.0%. The weighted-average grant date fair value of options issued by the Company during the nine months ended September 30, 2021 was $80.76 per share.
Share-based compensation expense, including the fair value of stock awards to consultants and advisors, for the three months ended September 30, 2021 and 2020 was $785,942 and $629,017, respectively, and for the nine months ended September 30, 2021 and 2020 was $817,911 and $1,740,289, respectively. As of September 30, 2021, there were