Stockholders' Equity (Tables)

3 Months Ended

Mar. 28, 2025

Stockholders' Equity Note [Abstract]

Schedule of Compensation Cost

The cost that has been charged against income for stock-based compensation is set forth below (in thousands):

	Three Months Ended
	March 28, 2025		March 29, 2024
Employee stock options	$	2,405	$	3,173
Restricted stock		157		28
RSUs		2,963		2,312
PSUs		396		685
Nonemployee stock options		94		141
Total stock-based compensation expense	$	6,015	$	6,339

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

The Company recorded stock-based compensation costs in the following categories (in thousands):

	Three Months Ended
	March 28, 2025		March 29, 2024
Cost of sales	$	290	$	298
General and administrative		2,683		3,075
Selling and marketing		1,277		1,210
Research and development		1,765		1,756
Total stock-based compensation expense, net		6,015		6,339
Amounts capitalized as part of inventory		312		337
Total stock-based compensation expense, gross	$	6,327	$	6,676

Schedule of Unrecognized Compensation Cost, Non-Vested Stock-Based Compensation Arrangements

As of March 28, 2025, total unrecognized compensation cost related to non-vested stock-based compensation arrangements were as follows (in thousands):

	March 28, 2025
Stock options	$	14,969
Restricted stock, RSUs and PSUs		47,090
Total unrecognized stock-based compensation cost	$	62,059

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The risk-free rate is based on the U.S. Treasury yield curve corresponding to the expected term at the time of the grant.

	Three Months Ended
	March 28, 2025			March 29, 2024
Expected dividend yield		0	%		0	%
Expected volatility		60	%		59	%
Risk-free interest rate		4.33	%		4.16	%
Expected term (in years)		5.05			5.29

Schedule of Share-based Compensation, Stock Options, Activity

A summary of stock option activity under the Equity Plan for three months ended March 28, 2025 is presented below:

	Stock Options (in 000’s)			Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (years)		Aggregate Intrinsic Value (in 000’s)
Outstanding at December 27, 2024		2,808		$	45.72
Granted		22			15.35
Exercised		(52	)		7.21
Forfeited or expired		(140	)		43.07
Outstanding at March 28, 2025		2,638		$	46.34		5.70	$	1,468
Exercisable at March 28, 2025		1,988		$	47.93		4.86	$	1,415

Schedule of Share-based Compensation, Restricted Stock, RSU and PSU Activity

A summary of restricted stock, RSU and PSU activity under the Equity Plan for the three months ended March 28, 2025 is presented below (shares in thousands):

	Restricted Stock		RSUs			PSUs
Unvested at December 27, 2024		16		695			406
Granted		—		1,037			777
Vested		—		(223	)		(20	)
Forfeited or expired		—		(9	)		(386	)
Unvested at March 28, 2025		16		1,500			777