Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity

Stockholders' Equity
9 Months Ended
Sep. 30, 2020
Stockholders' Equity Attributable to Parent [Abstract]  
Stockholders' Equity Stockholders’ Equity
Common Stock
Total common stock authorized to be issued as of September 30, 2020 was 1,000,000,000 shares, with a par value of $0.0001 per share. At September 30, 2020 and December 31, 2019, there were 45,452,422 and 39,817,917 shares outstanding, inclusive of 1,198 and 6,219 restricted shares subject to repurchase for unvested shares related to early option exercises under the Company’s stock equity plans, respectively.
On August 14, 2020, the Company entered into an At-The-Market Issuance Sales Agreement (the “Sales Agreement”) with Ascendiant Capital Markets, LLC (“Ascendiant”), as sales agent, pursuant to which the Company may offer and sell, from time to time, through Ascendiant shares of common stock for an aggregate offering price of up to $15,000. Subject to the terms and conditions of the Sales Agreement, Ascendiant will use commercially reasonable efforts consistent with its normal trading and sales practices to sell shares from time to time based upon the Company’s instructions, including any price, time or size limits specified by the Company. Under the Sales Agreement, Ascendiant may sell shares by any method deemed to be an “at the market” offering as defined in Rule 415 under the U.S. Securities Act of 1933, as amended, or any other method permitted by law, including in privately negotiated transactions. During the three and nine months ended September 30, 2020, 1,301,665 shares of common stock were sold for gross proceeds of $1,493. Offering costs totaled $152.
During 2019, the Company issued an aggregate of 11,530,442 shares of common stock related to various cash and cashless (net) exercises of warrants for common stock. Cash exercises for warrants for 617,296 shares of common stock resulted in aggregate gross proceeds of approximately $6,184, of which $6,092 was received in cash, $92 was received in digital currencies. Furthermore, there were 13,975,359 warrants exercised under cashless (net) provisions resulting in the issuance of 10,913,146 shares of common stock.
The Company has various warrants outstanding. A summary of the Company’s outstanding warrants is set forth below:
Warrant Type Cash Exercise
Price per
Warrants Outstanding
September 30, 2020
Warrants Outstanding
December 31, 2019
2020 Convertible Note warrants $ 4.00  2,160,000  — 
Common stock warrant (Series D-1) $ 5.54  14,866  14,866 
Common stock warrants (Series F) $ 9.22  377,402  377,402 
Public Warrants (PHUNW) $ 11.50  1,761,291  1,761,291 
Private Placement Warrants $ 11.50  1,658,381  1,658,381 
Unit Purchase Option Warrants $ 11.50  24,172  24,172 
Total 5,996,112  3,836,112