Operating Segments and Enterprise-Wide Information (Tables)

The following table provides net contribution by reportable segment and includes a reconciliation to net income before income taxes (dollars in thousands):


	Three Months Ended
	March 28, 2026											March 29, 2025
	Probe Cards			Systems			Corporate and Other		Total			Probe Cards			Systems			Corporate and Other		Total
Revenues	$	198,257		$	27,887		$	—	$	226,144		$	136,520		$	34,836		$	—	$	171,356
Cost of revenues	98,126			17,285			23,939		139,350			84,905			19,321			2,607		106,833
Gross profit	100,131			10,602			(23,939)		86,794			51,615			15,515			(2,607)		64,523
Gross margin	50.5		%	38.0		%			38.4		%	37.8		%	44.5		%			37.7		%
Research and development	21,772			5,231			3,777		30,780			21,056			3,968			2,776		27,800
Selling	7,723			3,838			1,315		12,876			6,566			3,660			2,801		13,027
Marketing	1,622			1,820			1,635		5,077			1,580			1,741			1,126		4,447
Net contribution	$	69,014		$	(287)		$	(30,666)	38,061			$	22,413		$	6,146		$	(9,310)	19,249
General and administrative									14,339											15,980
Factory start-up costs									7,074											—

Operating income									16,648											3,269
Interest income, net									2,174											3,317
Other income, net									441											890
Income before income taxes and equity investment									$	19,263										$	7,476

Certain revenue category information by reportable segment was as follows (in thousands):


	Three Months Ended
	March 28, 2026						March 29, 2025
	Probe Cards		Systems		Total		Probe Cards		Systems		Total
Market:
Foundry & Logic	$	111,188	$	—	$	111,188	$	85,272	$	—	$	85,272
DRAM	82,933		—		82,933		48,858		—		48,858
Flash	4,136		—		4,136		2,390		—		2,390
Systems	—		27,887		27,887		—		34,836		34,836
Total	$	198,257	$	27,887	$	226,144	$	136,520	$	34,836	$	171,356
Timing of revenue recognition:
Products transferred at a point in time	$	196,285	$	24,720	$	221,005	$	134,721	$	31,335	$	166,056
Products and services transferred over time	1,972		3,167		5,139		1,799		3,501		5,300
Total	$	198,257	$	27,887	$	226,144	$	136,520	$	34,836	$	171,356
Geographical region:
South Korea	$	79,766	$	796	$	80,562	$	42,209	$	962	$	43,171
Taiwan	68,245		2,595		70,840		40,747		4,615		45,362
United States	21,822		7,588		29,410		27,784		12,541		40,325
China	7,806		3,556		11,362		8,152		5,463		13,615
Singapore	7,082		3,193		10,275		4,871		1,378		6,249
Japan	5,082		3,200		8,282		5,179		5,140		10,319
Europe	3,120		4,654		7,774		3,535		4,246		7,781
Malaysia	3,659		55		3,714		2,552		48		2,600
Rest of World	1,675		2,250		3,925		1,491		443		1,934
Total	$	198,257	$	27,887	$	226,144	$	136,520	$	34,836	$	171,356