Inventory consists of the following (in thousands):
| | | | | | |
| | March 31, 2022 | | December 31, 2021 |
Finished goods | | $ | 2,880 | | $ | 2,488 |
As of March 31, 2022 and December 31, 2021, the Company had an inventory reserve of $0.1 million.
5. Stockholders’ Equity
Equity Offerings
Under its certificate of incorporation, the Company was authorized to issue up to 200,000,000 shares of common stock as of March 31, 2022. The Company also was authorized to issue up to 5,000,000 shares of preferred stock as of March 31, 2022. The Company is required, at all times, to reserve and keep available out of its authorized but unissued shares of common stock sufficient shares to effect the conversion of the shares of the preferred stock and all outstanding stock options and warrants.
ATM Programs
In April 2019, the Company entered into a Common Stock Sales Agreement with H.C. Wainwright & Co., LLC, or Wainwright, pursuant to which the Company may offer and sell through Wainwright, from time to time at the Company’s sole discretion, shares of its common stock, having an aggregate offering price of up to $50.0 million, or the HCW ATM Program. Sales of the shares of common stock are deemed to be “at-the-market offerings,” as defined in Rule 415 under the Securities Act. In December 2020, the Company and Wainwright entered into Amendment No. 1 to Common Stock Sales Agreement, or the Amendment, to amend the Common Stock Sales Agreement to, among other things, update the reference to the registration statement pursuant to which the shares of common stock may be sold and to include an additional $50.0 million of shares of common stock in the HCW ATM Program. There were no sales under the HCW ATM Program during the three months ended March 31, 2022. As of March 31, 2022, there was approximately $41.9 million remaining available for future issuances under the HCW ATM Program.
Registered Direct Offering and Concurrent Warrant Issuance
In connection with the Company’s January 2019 securities purchase agreements, the Company issued warrants to purchase 500,000 shares of common stock to certain designees of H.C. Wainwright & Co., LLC. These warrants have a term of five years, are immediately exercisable and have an exercise price of $1.25 per share. As of March 31, 2022, 172,500 of these warrants remain outstanding.
Equity Incentive Plans
In 2008, the Company adopted the 2008 Equity Incentive Plan, as amended on February 29, 2008, January 7, 2010, July 8, 2010, December 10, 2010, June 23, 2011 and June 17, 2013, collectively, the 2008 Plan, that authorized the Company to grant restricted stock and stock options to eligible employees, directors and consultants to the Company.
In 2013, the Company adopted the 2013 Equity Incentive Plan, as amended on May 14, 2014, collectively, 2013 Plan. The 2013 Plan became effective upon the Company’s entry into the underwriting agreement related to its IPO in January 2014 and, as of such date, no further grants were permitted under the 2008 Plan. The 2013 Plan provides for the grant of incentive stock options, nonqualified stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance-based stock awards and other forms of equity compensation (collectively, stock awards), all of which may be granted to employees, including officers, non-employee directors and consultants of the Company. Additionally, the 2013 Plan provides for the grant of cash and stock-based performance awards. The 2013 Plan contains an “evergreen” provision, pursuant to which the number of shares of common stock available for issuance under the plan automatically increases on January 1 of each year beginning in 2015.
On December 15, 2016, the Company adopted the Trevena, Inc. Inducement Plan, or the Inducement Plan, effective January 1, 2017, pursuant to which the Company reserved 500,000 shares of the Company’s common stock for issuance under the Inducement Plan. The Inducement Plan provides for nonqualified stock options and restricted stock