EQUITY FINANCINGS	3 Months Ended
Mar. 31, 2022
EQUITY FINANCINGS
EQUITY FINANCINGS	11. EQUITY FINANCINGS On August 9, 2018, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective on August 27, 2018 (the “2018 Shelf Registration”) and registered up to $250,000 of a variety of securities, including common stock. Under the 2018 Shelf Registration, which expired in August 2021, the Company issued an aggregate of 30,549,976 shares of common stock, including under the ATM Offering, resulting in aggregate gross proceeds of $231,666. On May 7, 2020, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective on May 19, 2020 (the “2020 Shelf Registration”). Under the 2020 Shelf Registration, the Company may offer and sell up to $350,000 of a variety of securities including common stock, preferred stock, warrants, depositary shares, debt securities or units during the three-year period that commenced upon the 2020 Shelf Registration becoming effective. In connection with the filing of the 2020 Shelf Registration, the Company entered into an amended and restated sales agreement with Jefferies pursuant to which it may issue and sell, from time to time, up to an aggregate of $75,000 of its common stock under its ATM Offering through Jefferies, as a sales agent. Through December 31, 2021, the Company issued and sold an aggregate of 8,581,257 shares of its common stock under the ATM Offering, resulting in net proceeds of $61,843, which included 4,746,072 shares of common stock issued and sold during the three months ended March 31, 2021 resulting in net proceeds of $34,709. The Company did not sell any shares of its common stock under the ATM Offering during the three months ended March 31, 2022. As of March 31, 2022, there were $11,344 of shares of common stock remaining under the ATM Offering and, excluding the shares of common stock that may be offered under the ATM Offering, there was approximately $275,000 of securities available to be issued under the 2020 Shelf Registration.

EQUITY FINANCINGS

3 Months Ended

Mar. 31, 2022

11. EQUITY FINANCINGS

On August 9, 2018, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective on August 27, 2018 (the “2018 Shelf Registration”) and registered up to $250,000 of a variety of securities, including common stock. Under the 2018 Shelf Registration, which expired in August 2021, the Company issued an aggregate of 30,549,976 shares of common stock, including under the ATM Offering, resulting in aggregate gross proceeds of $231,666.

On May 7, 2020, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective on May 19, 2020 (the “2020 Shelf Registration”). Under the 2020 Shelf Registration, the Company may offer and sell up to $350,000 of a variety of securities including common stock, preferred stock, warrants, depositary shares, debt securities or units during the three-year period that commenced upon the 2020 Shelf Registration becoming effective. In connection with the filing of the 2020 Shelf Registration, the Company entered into an amended and restated sales agreement with Jefferies pursuant to which it may issue and sell, from time to time, up to an aggregate of $75,000 of its common stock under its ATM Offering through Jefferies, as a sales agent. Through December 31, 2021, the Company issued and sold an aggregate of 8,581,257 shares of its common stock under the ATM Offering, resulting in net proceeds of $61,843, which included 4,746,072 shares of common stock issued and sold during the three months ended March 31, 2021 resulting in net proceeds of $34,709. The Company did not sell any shares of its common stock under the ATM Offering during the three months ended March 31, 2022. As of March 31, 2022, there were $11,344 of shares of common stock remaining under the ATM Offering and, excluding the shares of common stock that may be offered under the ATM Offering, there was approximately $275,000 of securities available to be issued under the 2020 Shelf Registration.