Convertible Preferred Stock and Stockholders’ Equity (Deficit)

12 Months Ended

Dec. 31, 2019

Stockholders Equity Note [Abstract]

Convertible Preferred Stock and Stockholders’ Equity (Deficit)

Note 7: Convertible Preferred Stock and Stockholders’ Equity (Deficit)

The Company’s Certificate of Incorporation, as amended and restated, authorizes the Company to issue 410,000,000 shares of capital stock consisting of 400,000,000 shares common stock and 10,000,000 shares of preferred stock, both par value of $0.0001.

As of December 31, 2019 and 2018, the Company had reserved common stock, on an if-converted basis, for issuance as follows:

	As of December 31,
	2019		2018
Common stock options issued and outstanding		4,738,004		1,458,080
Remaining shares available for issuance under 2015    & 2018 Stock Plan		2,315,099		3,801,191
Unvested restricted stock issued as part of    collaboration agreement		1,257,651		-
Total		8,310,754		5,259,271

As of December 31, 2019 and 2018, the Company had no outstanding convertible preferred stock. In connection with the completion of the Company’s IPO in March 2018, all outstanding shares of convertible preferred stock converted into 30,459,574 shares of common stock.