The Company has stockholder-approved equity incentive plans that provide for the granting of restricted stock units (RSUs) and stock options as well as other forms of equity compensation to its employees, officers and non-employee directors.

The Company also has an Employee Stock Purchase Plan (ESPP). Compensation expense included in the Company’s Condensed Consolidated Statements of Comprehensive Income for all stock-based compensation arrangements was as follows:


	Three Months Ended March 31,
		2025		2024
Cost of sales		$	2,191	$	3,244
Research and development		12,127		20,677
Selling, general and administrative		23,382		34,328
Total stock-based compensation expense		$	37,700	$	58,249