Compensation Plans

9 Months Ended

Sep. 30, 2020

Stock-Based Compensation

For the three months ended September 30, 2019 and 2020, total stock-based compensation ("SBC") expense was $2.8 billion and $3.3 billion, respectively, including amounts associated with awards we expect to settle in Alphabet stock of $2.6 billion and $3.1 billion, respectively. For the nine months ended September 30, 2019 and 2020, total SBC expense was $8.6 billion and $10.1 billion, respectively, including amounts associated with awards we expect to settle in Alphabet stock of $8.2 billion and $9.6 billion, respectively.

Stock-Based Award Activities

The following table summarizes the activities for our unvested restricted stock units ("RSUs") in Alphabet stock for the nine months ended September 30, 2020 (unaudited):


	Unvested Restricted Stock Units
	Number of Shares	Weighted- Average Grant-Date Fair Value
Unvested as of December 31, 2019	19,394,236	$	1,055.22
Granted	11,635,680	$	1,394.72
Vested	(8,437,980)	$	1,071.16
Forfeited/canceled	(951,715)	$	1,150.93
Unvested as of September 30, 2020	21,640,221	$	1,228.65

As of September 30, 2020, there was $24.6 billion of unrecognized compensation cost related to unvested employee RSUs. This amount is expected to be recognized over a weighted-average period of 2.6 years.