Stockholders' Equity

3 Months Ended

Mar. 31, 2020

Stockholders' Equity Note [Abstract]

Stockholders' Equity

Stockholders’ Equity

Preferred Stock

As of March 31, 2020 and December 31, 2019, the Company had authorized 100,000,000 shares of preferred stock, par value $0.001, of which no shares were issued and outstanding.

Common Stock

As of March 31, 2020 and December 31, 2019, the Company had authorized 1,000,000,000 shares of Class A common stock and 100,000,000 shares of Class B common stock, each par value $0.001 per share. As of March 31, 2020, 128,606,443 shares of Class A common stock and 11,356,940 shares of Class B common stock were issued and outstanding. As of December 31, 2019, 126,882,172 shares of Class A common stock and 11,530,627 shares of Class B common stock were issued and outstanding.

The Company had reserved shares of common stock for issuance as follows:

	As of	As of
	March 31,	December 31,
	2020	2019
Stock options issued and outstanding	7,492,970	7,705,848
Nonvested restricted stock units issued and outstanding	8,039,823	8,490,517
Class A common stock reserved for Twilio.org	773,571	795,673
Stock-based awards available for grant under 2016 Plan	20,998,004	14,957,734
Stock-based awards available for grant under 2016 ESPP	5,233,081	3,848,953
Class A common stock reserved for the convertible senior notes	10,472,165	10,472,165
Total	53,009,614	46,270,890