Equity-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

The following is a summary of the stock option transactions as of and for the years ended December 31, 2024, 2023 and 2022:


	Stock Options Outstanding
	Shares Subject to Options Outstanding	Weighted- Average Exercise Price per Option		Weighted- Average Remaining Contractual Terms (in years)	Aggregate Intrinsic Value
Balances as of December 31, 2021	10,938,521	$	18.02
Options granted	1,370,211	9.10
Options exercised	—	—
Options forfeited / expired	(1,705,239)	17.80
Balances as of December 31, 2022	10,603,493	16.90		8.30	3,519
Options granted	—	—
Options exercised	—	—
Options forfeited / expired	(1,467,614)	16.60
Balances as of December 31, 2023	9,135,879	16.95		7.29	79
Options granted	—	—
Options exercised	(17,662)	9.06
Options forfeited / expired	(355,736)	16.82
Balances as of December 31, 2024	8,762,481	16.97		6.29	2,250
Vested and Exercisable as of December 31, 2024	6,157,005	$	17.29	6.25	1,099

The following is a summary of RSA transactions as of and for the years ended December 31, 2024, 2023 and 2022:


	Restricted Shares	Weighted-Average Grant Date Fair Value
Unvested and outstanding as of December 31, 2021	8,613,780	$	10.32
Vested	(3,553,232)	10.07
Forfeited	(370,107)	6.18
Unvested and outstanding as of December 31, 2022	4,690,441	$	10.85
Vested	(3,916,030)	11.82
Forfeited	(90,458)	6.58
Unvested and outstanding as of December 31, 2023	683,953	$	5.86
Vested	(627,491)	4.91
Forfeited	(6,270)	12.22
Unvested and outstanding as of December 31, 2024	50,192	$	16.86

The following is a summary of RSU transactions as of and for the years ended December 31, 2024, 2023 and 2022:


	Restricted Stock Units	Weighted-Average Grant Date Fair Value
Unvested and outstanding as of December 31, 2021	1,662,282	$	18.54
Granted	7,916,647	13.24
Vested	(479,177)	18.47
Forfeited	(370,816)	14.10
Unvested and outstanding as of December 31, 2022	8,728,936	$	13.93
Granted	4,425,771	6.76
Vested	(1,875,329)	12.59
Forfeited	(737,753)	12.57
Unvested and outstanding as of December 31, 2023	10,541,625	$	11.25
Granted	6,994,001	5.30
Vested (1)	(2,993,372)	8.37
Forfeited	(1,197,569)	8.17
Unvested and outstanding as of December 31, 2024	13,344,685	$	9.05

(1)Includes 107,948 shares that vested, but the issuance and delivery of the shares was deferred.

The following is a summary of PSU transactions for the year ended December 31, 2024:


	Performance-based restricted stock units	Weighted-Average Grant Date Fair Value
Unvested and outstanding as of December 31, 2023	7,233,205	$	5.74
Granted	1,160,000	5.00
Vested	—	—
Cancelled/forfeited	(318,334)	5.69
Unvested and outstanding as of December 31, 2024	8,074,871	$	5.64

Total equity-based compensation expense was presented on the statement of operations as follows:


	Year Ended December 31,
	2024		2023		2022
Selling, general and administrative expenses	$	66,202	$	59,294	$	72,590
Medical expenses	4,930		7,541		9,128
Total equity-based compensation expense (1)	$	71,132	$	66,835	$	81,718