v3.26.1
Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Option Activity
The following table summarizes the activity for all stock options under all of the Company’s equity incentive plans for the six months ended June 30, 2026 (shares and aggregate intrinsic value in thousands):
Number of OptionsWeighted Average Exercise PriceWeighted Average Remaining Contractual LifeAggregate Intrinsic Value
Outstanding at December 31, 20253,083 $20.52 3.92$15,626 
Granted— — 
Exercised(251)5.08 
Canceled(9)36.71 
Outstanding at June 30, 20262,823 $21.84 2.44$5,219 
Options vested and exercisable at June 30, 20262,820 $21.83 2.44$5,219 
Schedule of Activity for all Restricted Stock Units (RSUs)
The following table summarizes the activity for all restricted stock units (“RSUs”) under all of the Company’s equity incentive plans for the six months ended June 30, 2026 (shares in thousands):
Number of AwardsWeighted Average Grant Date Fair Value
Unvested balance at December 31, 202517,299 $10.34 
Granted7,021 13.46 
Issued(5,341)11.78 
Canceled / forfeited(707)10.26 
Unvested balance at June 30, 202618,272 $11.12 
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):
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Cost of customer agreements and incentives$2,091 $2,279 $4,984 $4,772 
Cost of energy systems and product sales404 533 1,240 987 
Sales and marketing8,146 10,780 15,079 20,936 
Research and development1,471 1,151 2,760 2,144 
General and administration9,007 10,315 23,358 21,190 
Total$21,119 $25,058 $47,421 $50,029