The Company records property, plant, and equipment at cost and includes finance lease assets in Property, plant and equipment, net in its condensed consolidated balance sheets. A summary of property, plant, and equipment as of March 29, 2025 and December 31, 2024, is as follows:


	March 29, 2025		December 31, 2024
(in thousands)
Manufacturing equipment	$	167,274	$	165,626
Research and development equipment	20,816		20,816
Leasehold improvements	18,313		18,165
Building	28,246		27,155
Finance leases	5,475		5,167
Software	2,743		2,742
Furniture and fixtures	942		941
Vehicles	594		594
Land	5,457		5,416
Assets not yet placed in service	38,635		38,747
Total property, plant and equipment	$	288,495	$	285,369
Less: accumulated depreciation and amortization	107,714		100,482
Property, plant and equipment, net	$	180,781	$	184,887

Depreciation and amortization expense in the three months ended March 29, 2025 and March 30, 2024 was $7.4 million and $7.0 million, respectively. Depreciation and amortization expense in the three months ended March 29, 2025 included $1.5 million in accelerated depreciation related to the reassessment of useful lives of certain assets resulting from the suspension of the Company’s operational activities in China. Of the total depreciation and amortization expense in the three months ended March 29, 2025 and March 30, 2024, $6.0 million (including $0.6 million in accelerated depreciation related to the reassessment of useful lives of

certain assets resulting from the suspension of the Company’s operational activities in China) and $6.1 million, respectively, were recorded in cost of goods sold, $1.3 million (including $0.9 million in accelerated depreciation related to the reassessment of useful lives of certain assets resulting from the suspension of the Company’s operational activities in China), and $0.5 million, respectively, were recorded in research and development expenses, and $0.1 million and $0.4 million, respectively, were recorded in SG&A expenses, in the Company’s condensed consolidated statements of operations.

The Company had $1.6 million and $1.9 million in property, plant and equipment concluded to meet the criteria for assets held for sale as of March 29, 2025 and December 31, 2024, respectively, and recorded $0.1 million and $0.2 million in loss on sale of assets in the three months ended March 29, 2025 and March 30, 2024, respectively.