The following table summarizes the costs associated with the Company’s share-based compensation plans:

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2022		2021		2022		2021
Expense:
RSUs	$	7	$	7	$	48	$	36
Employee stock purchase plan		2		2		4		4
	$	9	$	9	$	52	$	40

The following table summarizes RSU activity for the six months ended June 30, 2022:

(in millions, except weighted-average grant-date fair value)	Shares		Weighted-average grant-date fair value
Unvested at December 31, 2021	0.9		$	58.11
Granted during 2022	1.0		$	68.32
Vested during 2022	(0.9	)	$	63.94
Unvested at June 30, 2022	1.0		$	63.01

In March 2022, the Company’s board of directors amended the First American Financial Corporation 2010 Employee Stock Purchase Plan (the “Amended ESPP”), effective July 1, 2022. The Amended ESPP increases the maximum number of shares of Company common stock available for sale from 5 million to 14 million. In addition, the Amended ESPP extends the term of the plan from July 1, 2023 to July 1, 2032.