A summary of the restricted stock units ("RSUs") and restricted common stock awards ("RSAs") activity for the nine months ended September 30, 2022 is as follows:


	Number of RSUs	Average Grant-Date Fair Value		Number of RSAs	Average Grant-Date Fair Value
Unvested at December 31, 2021	2,395,789	$	9.73	5,479,451	$	1.80
Granted	9,117,579	$	5.87	—	$	—
Forfeited	(211,578)	$	10.13	—	$	—
Vested, Settled	(1,128,825)	$	7.09	(594,081)	$	2.51
Vested, Unsettled	700,058	$	5.67	—	$	—
Unvested and outstanding at September 30, 2022	10,873,023	$	6.43	4,885,370	$	1.71

The total expense value of RSUs for the three and nine months ended September 30, 2022 was $9,066 thousand and $30,017 thousand. There was no expense for RSUs for the three and nine months ended September 30, 2021. As of September 30, 2022, the total compensation cost related to unvested RSUs not yet recognized is $40,767 thousand and is expected to be recognized over a weighted average period of 2.48 years.

The total expense of RSAs for the three and nine months ended September 30, 2022 was $1,841 thousand and $3,599 thousand. As of September 30, 2022, the total compensation cost related to unvested RSAs not yet recognized is $3,237 thousand and is expected to be recognized over a weighted average period of 1.81 years.