For the three months ended June 30, 2022 and 2023, total stock-based compensation (SBC) expense was $4.9 billion and $5.4 billion, including amounts associated with awards we expect to settle in Alphabet stock of $4.6 billion and $5.6 billion, respectively. For the six months ended June 30, 2022 and 2023, total SBC expense was $9.4 billion and $10.7 billion, including amounts associated with awards we expect to settle in Alphabet stock of $9.0 billion and $10.7 billion, respectively.

During the six months ended June 30, 2023, total SBC expense includes $429 million associated with workforce reduction costs, of which $412 million and $17 million were recorded during the three months ended March 31, 2023 and June 30, 2023, respectively. See Note 7 for further information.

The following table summarizes the activities for unvested Alphabet restricted stock units (RSUs) for the six months ended June 30, 2023 (in millions, except per share amounts):


	Unvested Restricted Stock Units
	Number of Shares	Weighted- Average Grant-Date Fair Value
Unvested as of December 31, 2022	324	$	107.98
Granted	246	$	95.30
Vested	(109)	$	99.65
Forfeited/canceled	(19)	$	108.30
Unvested as of June 30, 2023	442	$	102.97