Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2025

Share-Based Payment Arrangement [Abstract]

The following table summarizes the activity for all stock options under all of the Company’s equity incentive plans for the years ended December 31, 2025 and 2024 (shares and aggregate intrinsic value in thousands):


	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at December 31, 2023	4,243	$	17.19	4.85	$	31,762
Granted	—	—
Exercised	(669)	6.55
Canceled	(67)	25.76
Outstanding at December 31, 2024	3,507	19.05		4.54	3,882
Granted	—	—
Exercised	(362)	6.85
Canceled	(62)	17.23
Outstanding at December 31, 2025	3,083	$	20.52	3.92	$	15,626
Options vested and exercisable at December 31, 2025	3,028	$	20.38	3.88	$	15,626
Options vested and expected to vest at December 31, 2025	3,083	$	20.52	3.92	$	15,626

Schedule of Activity for All RSUs

The following table summarizes the activity for all RSUs under all of the Company’s equity incentive plans for the years ended December 31, 2025 and 2024 (shares in thousands):


	Shares	Weighted Average Grant Date Fair Value
Unvested balance at December 31, 2023	8,449	$	22.16
Granted	9,447	13.88
Issued	(4,079)	22.03
Canceled / forfeited	(1,442)	18.29
Unvested balance at December 31, 2024	12,375	16.29
Granted	12,753	6.85
Issued	(5,901)	15.48
Canceled / forfeited	(1,928)	11.64
Unvested balance at December 31, 2025	17,299	$	10.34

Schedule of Stock-Based Compensation Expense

The Company recognized stock-based compensation expense, including ESPP expenses, in the consolidated statements of operations as follows (in thousands):


	Year Ended December 31,
	2025		2024		2023
Cost of customer agreements and incentives	$	9,034	$	8,538	$	8,772
Cost of energy systems and product sales	2,550		1,999		5,267
Sales and marketing	44,911		50,741		59,026
Research and development	4,418		9,961		1,739
General and administration	47,039		41,586		36,977
Total	$	107,952	$	112,825	$	111,781