In July 2021, the 2021 Equity Incentive Plan (the “2021 Plan”) was adopted and approved by the Company’s board of directors and stockholders.

Restricted Stock Units and Restricted Stock Awards—The table below summarizes the restricted stock unit (“RSU”) and restricted stock award (“RSA”) activity for the six months ended June 30, 2026:


				Weighted-
				Average
	Shares			Fair Value
Unvested —December 31, 2025		24,982,281		$	10.27
Granted		12,714,910			6.61
Vested		(9,800,652	)		9.84
Forfeited		(2,424,239	)		8.85
Unvested —June 30, 2026		25,472,300		$	8.37

In connection with the acquisition of EvolutionIQ (see Note 3), the Company granted 792,174 RSAs that are subject to service conditions.

During the six months ended June 30, 2026, the Company granted 12,714,910 RSUs. Of the RSUs granted during the six months ended June 30, 2026, 11,099,413 have time-based vesting requirements, and 1,615,497 have performance-based vesting requirements. The performance-based awards granted during the six months ended June 30, 2026, include both a performance and a market condition. The grant date fair value of the performance-based awards with a market condition is estimated on the date of grant using the Monte Carlo simulation model.

During the six months ended June 30, 2026, 9,800,652 RSUs vested, of which 2,877,147 were withheld for employee tax obligations.

Stock Options—The table below summarizes the stock option activity for the six months ended June 30, 2026:


						Weighted-
						Average
				Weighted-		Remaining		Aggregate
				Average		Contractual		Intrinsic
				Exercise		Life		Value
	Shares			Price		(in years)		(in thousands)
Options outstanding—December 31, 2025		21,797,772		$	3.09		2.0	$	106,846
Exercised		(1,463,197	)		2.93
Forfeited and canceled		—			—
Options outstanding—June 30, 2026		20,334,575		$	3.10		1.4	$	47,031
Options exercisable—June 30, 2026		20,334,575		$	3.10		1.4	$	47,031

The fair value of the options which vested during the six months ended June 30, 2026 was $0.5 million.

Cayman Equity Incentive Plan—In December 2022, the Company adopted the CCCIS Cayman Holdings Employees Equity Incentive Plans (“Cayman Incentive Plans”), which provide for the issuance of stock option awards in CCC Cayman (“Cayman Awards”) to eligible employees of the Company’s China subsidiaries.

Awards under the Cayman Incentive Plans are settled in cash and thus accounted for as liability awards. Awards granted under the Cayman Incentive Plans have time-based vesting and expire on the tenth anniversary of the grant date.

There were no stock options under the Cayman Incentive Plans granted during the six months ended June 30, 2026. The exercise price of the options granted is equal to the fair value of the underlying shares at the grant date. As of June 30, 2026 and December 31, 2025, 2,305,281 and 2,355,400 stock options under the Cayman Incentive Plans are outstanding.

Employee Stock Purchase Plan—In July 2021, the Company adopted the CCC 2021 Employee Stock Purchase Plan (“ESPP”).

During the six months ended June 30, 2026, 190,081 shares were sold under the ESPP.

Stock-Based Compensation—Stock-based compensation expense has been recorded in the accompanying condensed consolidated statements of operations and comprehensive income (loss) as follows for the three and six months ended June 30, 2026 and 2025 (in thousands):


	For the Three Months Ended				For the Six Months Ended
	June 30,				June 30,
	2026		2025		2026		2025
Cost of revenues	$	2,257	$	4,110	$	4,281	$	6,795
Research and development		11,886		14,535		23,175		32,136
Sales and marketing		8,272		12,522		16,357		25,650
General and administrative		7,971		14,808		18,445		42,442
Total stock-based compensation expense	$	30,386	$	45,975	$	62,258	$	107,023

As of June 30, 2026, there was $153.2 million of unrecognized stock compensation expense related to unvested time-based awards which is expected to be recognized over a weighted-average period of 2 years. As of June 30, 2026, there was $19 million of unrecognized stock-based compensation expense related to unvested performance-based awards which is expected to be recognized over a weighted-average period of 2.3 years.