other right now possessed or hereafter acquired under any statute, provision of the charter or bylaws, agreement, vote of stockholders or otherwise. Furthermore, our amended and restated certificate of incorporation will authorize us to provide insurance for our directors, officers, employees and agents against any liability, whether or not we would have the power to indemnify such person against such liability under the DGCL or the bylaws.
We have entered into indemnification agreements with each of our directors and our executive officers. These agreements will provide that we will indemnify each of our directors and such officers to the fullest extent permitted by law and our amended and restated certificate of incorporation.
We also maintain a general liability insurance policy which covers certain liabilities of directors and officers of our company arising out of claims based on acts or omissions in their capacities as directors or officers.
In any underwriting agreement we will enter into in connection with the sale of the common stock being registered hereby, the underwriters will agree to indemnify, under certain conditions, us, our directors, our officers and persons who control us within the meaning of the Securities Act, against certain liabilities.
Item 15. Recent Sales of Unregistered Securities
In the three years preceding the filing of this registration statement, the registrant has sold and issued the following unregistered securities:
Capital Stock Issuances
In April and May 2017, excluding shares issued pursuant to stock purchase rights as described below, we sold an aggregate of 30,863,975 shares of our Series C redeemable convertible preferred stock to accredited investors at a purchase price of $2.5915 per share, for an aggregate purchase price of $79,983,991.
In August 2018, excluding shares issued pursuant to stock purchase rights as described below, we sold an aggregate of 42,345,186 shares of our Series D redeemable convertible preferred stock to accredited investors at a purchase price of $3.11 per share, for an aggregate purchase price of $131,693,528.
In January and March 2020, excluding shares issued pursuant to stock purchase rights as described below, we sold an aggregate of 56,818,179 shares of our Series E redeemable convertible preferred stock to accredited investors at a purchase price of $2.20 per share, for an aggregate purchase price of $124,999,994.
In January 2020, we issued an aggregate of 38,315,048 shares of our common stock as a stock dividend to the holders of our redeemable convertible preferred stock.
The capital stock issuances described above were exempt from registration under the Securities Act (or Regulation D promulgated thereunder) by virtue of Section 4(a)(2) of the Securities Act as transactions by an issuer not involving a public offering. The recipients of the securities in each of these transactions represented their intentions to acquire the securities for investment only and not with a view to or for sale in connection with any distribution thereof, and appropriate legends were placed upon the stock certificates issued in these transactions. All recipients had adequate access, through their relationships with us, to information about us. The sales of these securities were made without any general solicitation or advertising.
Warrant Issuances
In June 2017, we issued a warrant to purchase 1,654,461 shares of our Series C redeemable convertible preferred stock to Perceptive Credit Holdings, LP in connection with the Perceptive Term Loan Agreement, at an exercise price of $2.5915 per share. The warrant has not been exercised.
II-3