| Delaware | 13-3711155 | |||||||
| (State or other jurisdiction of incorporation or organization) | (I.R.S. Employer Identification No.) | |||||||
| Title of each class | Trading Symbol(s) | Name of each exchange on which registered | ||||||||||||||||||
| Common stock, $0.001 par value | FORM | Nasdaq Global Select Market | ||||||||||||||||||
| Large Accelerated Filer | ☒ | Accelerated Filer | ☐ | Non-accelerated Filer | ☐ | ||||||||||||
| Smaller Reporting Company | ☐ | Emerging Growth Company | ☐ | ||||||||||||||
Condensed Consolidated Balance Sheets as of March 28, 2026 and December 27, 2025 | ||||||||
Condensed Consolidated Statements of Income for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Condensed Consolidated Statements of Comprehensive Income for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Condensed Consolidated Statement of Stockholders' Equity for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
Condensed Consolidated Statements of Cash Flows for the three months ended March 28, 2026 and March 29, 2025 | ||||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| ASSETS | |||||||||||
| Current assets: | |||||||||||
| Cash and cash equivalents | $ | 123,539 | $ | 103,330 | |||||||
| Marketable securities | 179,742 | 171,842 | |||||||||
Accounts receivable, net of allowance for credit losses of $6 and $29 | 132,155 | 125,416 | |||||||||
| Inventories, net | 112,877 | 110,884 | |||||||||
| Restricted cash | 897 | 1,063 | |||||||||
| Prepaid expenses and other current assets | 51,596 | 44,519 | |||||||||
| Total current assets | 600,806 | 557,054 | |||||||||
| Restricted cash | 2,012 | 2,654 | |||||||||
| Operating lease, right-of-use-assets | 16,404 | 17,202 | |||||||||
| Property, plant and equipment, net of accumulated depreciation | 248,444 | 259,068 | |||||||||
| Equity investment | 64,247 | 64,096 | |||||||||
| Goodwill | 215,412 | 216,029 | |||||||||
| Intangible assets, net | 15,482 | 16,302 | |||||||||
| Deferred tax assets | 90,632 | 89,524 | |||||||||
| Other assets | 2,411 | 2,433 | |||||||||
| Total assets | $ | 1,255,850 | $ | 1,224,362 | |||||||
| LIABILITIES AND STOCKHOLDERS’ EQUITY | |||||||||||
| Current liabilities: | |||||||||||
| Accounts payable | $ | 54,226 | $ | 47,436 | |||||||
| Accrued liabilities | 42,123 | 47,535 | |||||||||
| Current portion of long-term debt, net of unamortized issuance costs | 1,145 | 1,137 | |||||||||
| Deferred revenue | 26,291 | 20,091 | |||||||||
| Operating lease liabilities | 8,326 | 7,662 | |||||||||
| Total current liabilities | 132,111 | 123,861 | |||||||||
| Long-term debt, less current portion, net of unamortized issuance costs | 10,782 | 11,071 | |||||||||
| Deferred tax liabilities | 1,568 | 1,600 | |||||||||
| Long-term operating lease liabilities | 11,638 | 12,488 | |||||||||
| Deferred grant | 18,000 | 18,000 | |||||||||
| Other liabilities | 22,952 | 21,939 | |||||||||
| Total liabilities | 197,051 | 188,959 | |||||||||
| Stockholders’ equity: | |||||||||||
Common stock, $0.001 par value: | |||||||||||
250,000,000 shares authorized; 77,954,440 and 77,647,935 shares issued and outstanding | 78 | 78 | |||||||||
| Additional paid-in capital | 870,689 | 863,547 | |||||||||
| Accumulated other comprehensive loss | (7,658) | (3,528) | |||||||||
| Accumulated income | 195,690 | 175,306 | |||||||||
| Total stockholders’ equity | 1,058,799 | 1,035,403 | |||||||||
| Total liabilities and stockholders’ equity | $ | 1,255,850 | $ | 1,224,362 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Revenues | $ | 226,144 | $ | 171,356 | |||||||
| Cost of revenues | 139,350 | 106,833 | |||||||||
| Gross profit | 86,794 | 64,523 | |||||||||
| Operating expenses: | |||||||||||
| Research and development | 30,780 | 27,800 | |||||||||
| Selling, general and administrative | 32,292 | 33,454 | |||||||||
| Factory start-up costs | 7,074 | — | |||||||||
| Total operating expenses | 70,146 | 61,254 | |||||||||
| 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 | |||||||||
| Provision for income taxes | 396 | 1,075 | |||||||||
Income from equity investment | 1,517 | — | |||||||||
| Net income | $ | 20,384 | $ | 6,401 | |||||||
| Net income per share: | |||||||||||
| Basic | $ | 0.26 | $ | 0.08 | |||||||
| Diluted | $ | 0.26 | $ | 0.08 | |||||||
| Weighted-average number of shares used in per share calculations: | |||||||||||
| Basic | 77,825 | 77,345 | |||||||||
| Diluted | 79,415 | 77,884 | |||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Net income | $ | 20,384 | $ | 6,401 | |||||||
| Other comprehensive income (loss), net of tax: | |||||||||||
| Foreign currency translation adjustments | (3,479) | 3,339 | |||||||||
| Unrealized gains (losses) on available-for-sale marketable securities | (699) | 370 | |||||||||
| Unrealized gains on derivative instruments | 48 | 1,094 | |||||||||
| Other comprehensive income (loss), net of tax: | (4,130) | 4,803 | |||||||||
| Comprehensive income | $ | 16,254 | $ | 11,204 | |||||||
| Shares of Common Stock | Common Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Loss | Accumulated Income | Total | ||||||||||||||||||||||||||||||
Three Months Ended March 28, 2026 | |||||||||||||||||||||||||||||||||||
Balances, December 27, 2025 | 77,647,935 | $ | 78 | $ | 863,547 | $ | (3,528) | $ | 175,306 | $ | 1,035,403 | ||||||||||||||||||||||||
| Issuance of common stock under the Employee Stock Purchase Plan | 176,570 | — | 5,836 | — | — | 5,836 | |||||||||||||||||||||||||||||
| Issuance of common stock pursuant to vesting of restricted stock units, net of stock withheld for tax | 129,935 | — | (6,751) | — | — | (6,751) | |||||||||||||||||||||||||||||
| Stock-based compensation | — | — | 8,057 | — | — | 8,057 | |||||||||||||||||||||||||||||
| Other comprehensive loss | — | — | — | (4,130) | — | (4,130) | |||||||||||||||||||||||||||||
| Net income | — | — | — | — | 20,384 | 20,384 | |||||||||||||||||||||||||||||
Balances, March 28, 2026 | 77,954,440 | $ | 78 | $ | 870,689 | $ | (7,658) | $ | 195,690 | $ | 1,058,799 | ||||||||||||||||||||||||
Three Months Ended March 29, 2025 | |||||||||||||||||||||||||||||||||||
| Balances, December 28, 2024 | 77,114,633 | $ | 77 | $ | 837,586 | $ | (10,840) | $ | 120,945 | $ | 947,768 | ||||||||||||||||||||||||
| Issuance of common stock under the Employee Stock Purchase Plan | 197,051 | — | 6,576 | — | — | 6,576 | |||||||||||||||||||||||||||||
| Issuance of common stock pursuant to vesting of restricted stock units, net of stock withheld for tax | 93,981 | — | (2,132) | — | — | (2,132) | |||||||||||||||||||||||||||||
Issuance of common stock pursuant to private placement | 334,971 | — | 15,000 | — | — | 15,000 | |||||||||||||||||||||||||||||
| Purchase and retirement of common stock through repurchase program | (665,000) | — | (22,207) | — | — | (22,207) | |||||||||||||||||||||||||||||
| Stock-based compensation | — | — | 9,665 | — | — | 9,665 | |||||||||||||||||||||||||||||
| Other comprehensive income | — | — | — | 4,803 | — | 4,803 | |||||||||||||||||||||||||||||
| Net income | — | — | — | — | 6,401 | 6,401 | |||||||||||||||||||||||||||||
Balances, March 29, 2025 | 77,075,636 | $ | 77 | $ | 844,488 | $ | (6,037) | $ | 127,346 | $ | 965,874 | ||||||||||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Cash flows from operating activities: | |||||||||||
| Net income | $ | 20,384 | $ | 6,401 | |||||||
| Adjustments to reconcile net income to net cash provided by operating activities: | |||||||||||
| Depreciation and amortization | 9,172 | 8,830 | |||||||||
| Reduction in the carrying amount of right-of-use assets | 1,566 | 1,803 | |||||||||
| Stock-based compensation expense | 8,063 | 9,796 | |||||||||
| Deferred income tax benefit | (1,136) | (691) | |||||||||
| Provision for excess and obsolete inventories | 4,804 | 2,879 | |||||||||
| Non-cash restructuring charges | 15,994 | 2,102 | |||||||||
Income from equity investment | (1,517) | — | |||||||||
| Other adjustments to reconcile net income to net cash provided by operating activities | 25 | (1,024) | |||||||||
| Changes in assets and liabilities: | |||||||||||
| Accounts receivable | (7,014) | 6,293 | |||||||||
| Inventories | (7,428) | (10,196) | |||||||||
| Prepaid expenses and other current assets | (5,743) | (3,794) | |||||||||
| Other assets | 32 | 469 | |||||||||
| Accounts payable | 7,525 | 10,535 | |||||||||
| Accrued liabilities | (5,264) | (7,926) | |||||||||
| Other liabilities | 1,389 | 712 | |||||||||
| Deferred revenues | 5,981 | (620) | |||||||||
| Operating lease liabilities | (1,872) | (2,030) | |||||||||
| Net cash provided by operating activities | 44,961 | 23,539 | |||||||||
| Cash flows from investing activities: | |||||||||||
| Acquisition of property, plant and equipment | (15,192) | (18,584) | |||||||||
| Proceeds from sale of assets | 76 | — | |||||||||
| Purchase of equity investment | — | (67,156) | |||||||||
| Purchases of marketable securities | (37,110) | (26,330) | |||||||||
| Proceeds from maturities and sales of marketable securities | 28,819 | 27,410 | |||||||||
| Net cash used in investing activities | (23,407) | (84,660) | |||||||||
| Cash flows from financing activities: | |||||||||||
| Proceeds from issuances of common stock | 5,836 | 21,576 | |||||||||
| Purchase of common stock through stock repurchase program | — | (22,135) | |||||||||
| Tax withholdings related to net share settlements of equity awards | (6,751) | (2,132) | |||||||||
| Payments on term loan | (281) | (273) | |||||||||
| Net cash used in financing activities | (1,196) | (2,964) | |||||||||
| Effect of exchange rate changes on cash, cash equivalents and restricted cash | (957) | 180 | |||||||||
| Net increase (decrease) in cash, cash equivalents and restricted cash | 19,401 | (63,905) | |||||||||
| Cash, cash equivalents and restricted cash, beginning of year | 107,047 | 197,206 | |||||||||
| Cash, cash equivalents and restricted cash, end of period | $ | 126,448 | $ | 133,301 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Non-cash investing and financing activities: | |||||||||||
| Decrease in accounts payable and accrued liabilities related to property, plant and equipment purchases | $ | (562) | $ | (8,563) | |||||||
| Operating lease, right-of-use assets obtained in exchange for lease obligations | 2,225 | — | |||||||||
| Supplemental disclosure of cash flow information: | |||||||||||
| Cash paid for income taxes, net | $ | 1,042 | $ | 1,826 | |||||||
| Cash paid for interest | 85 | 92 | |||||||||
| Operating cash outflows from operating leases | 2,214 | 2,414 | |||||||||
| Reconciliation of cash, cash equivalents and restricted cash: | |||||||||||
| Cash and cash equivalents | $ | 123,539 | $ | 129,889 | |||||||
| Restricted cash, current | 897 | 967 | |||||||||
| Restricted cash | 2,012 | 2,445 | |||||||||
| Total cash, cash equivalents and restricted cash | $ | 126,448 | $ | 133,301 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| SK hynix Inc. | 29.5 | % | 23.3 | % | |||||||
| Intel Corporation | * | 12.0 | % | ||||||||
| NVIDIA Corporation | 10.2 | % | * | ||||||||
| 39.7 | % | 35.3 | % | ||||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| Raw materials | $ | 51,802 | $ | 47,969 | |||||||
| Work-in-progress | 41,362 | 42,812 | |||||||||
| Finished goods | 19,713 | 20,103 | |||||||||
| $ | 112,877 | $ | 110,884 | ||||||||
| Amount | ||||||||
| Cash and cash equivalents | $ | 1,674 | ||||||
| Other current assets | 728 | |||||||
| Property, plant and equipment | 518 | |||||||
| Operating lease, right-of-use-assets | 888 | |||||||
| Other non-current assets | 19 | |||||||
| Tangible assets acquired | 3,827 | |||||||
| Accounts payable and accrued liabilities | (1,650) | |||||||
| Operating lease liabilities | (888) | |||||||
| Deferred tax liabilities | (2,471) | |||||||
| Total net tangible assets acquired and liabilities assumed | (1,182) | |||||||
| Intangible assets | 8,385 | |||||||
| Goodwill | 15,050 | |||||||
| Net assets acquired | $ | 22,253 | ||||||
| Probe Cards | Systems | Total | |||||||||||||||
| Goodwill, as of December 28, 2024 | $ | 177,369 | $ | 21,802 | $ | 199,171 | |||||||||||
| Acquisition - Keystone | — | 15,050 | 15,050 | ||||||||||||||
| Foreign currency translation | — | 1,808 | 1,808 | ||||||||||||||
Goodwill, as of December 27, 2025 | 177,369 | 38,660 | 216,029 | ||||||||||||||
| Foreign currency translation | — | (617) | (617) | ||||||||||||||
Goodwill, as of March 28, 2026 | $ | 177,369 | $ | 38,043 | $ | 215,412 | |||||||||||
| March 28, 2026 | December 27, 2025 | |||||||||||||||||||||||||||||||||||||
| Intangible Assets | Gross | Accumulated Amortization | Net | Gross | Accumulated Amortization | Net | ||||||||||||||||||||||||||||||||
| Existing developed technologies | $ | 168,748 | $ | 153,266 | $ | 15,482 | $ | 169,165 | $ | 152,863 | $ | 16,302 | ||||||||||||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Cost of revenues | $ | 650 | $ | 483 | |||||||
| Selling, general and administrative | — | 191 | |||||||||
| $ | 650 | $ | 674 | ||||||||
| Fiscal Year | Amount | |||||||
Remainder of 2026 | $ | 1,941 | ||||||
| 2027 | 2,565 | |||||||
| 2028 | 2,454 | |||||||
| 2029 | 2,454 | |||||||
| 2030 | 1,883 | |||||||
| Thereafter | 4,185 | |||||||
| $ | 15,482 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| Accrued compensation and benefits | $ | 31,099 | $ | 31,495 | |||||||
| Accrued warranty | 2,389 | 2,503 | |||||||||
| Accrued employee stock purchase plan contributions withheld | 2,098 | 5,190 | |||||||||
| Accrued income and other taxes | 1,135 | 3,098 | |||||||||
| Accrued restructuring charges | 2,587 | 464 | |||||||||
| Other accrued expenses | 2,815 | 4,785 | |||||||||
| $ | 42,123 | $ | 47,535 | ||||||||
| Cost of revenues | $ | 21,498 | |||
| Research and development | 1,374 | ||||
| Selling, general and administrative | 449 | ||||
| $ | 23,321 | ||||
| Employee Severance and Benefits | Stock-based Compensation | Property and Equipment | Leases | Other Costs | Total | ||||||||||||||||||||||||||||||
| December 27, 2025 | $ | 464 | $ | — | $ | — | $ | — | $ | — | $ | 464 | |||||||||||||||||||||||
| Restructuring charges | 5,614 | 60 | 15,701 | 1,020 | 926 | 23,321 | |||||||||||||||||||||||||||||
| Cash payments | (3,491) | — | — | (58) | (926) | (4,475) | |||||||||||||||||||||||||||||
| Non-cash settlement | — | (60) | (15,701) | (962) | — | (16,723) | |||||||||||||||||||||||||||||
| March 28, 2026 | $ | 2,587 | $ | — | $ | — | $ | — | $ | — | $ | 2,587 | |||||||||||||||||||||||
| March 28, 2026 | Level 1 | Level 2 | Level 3 | Total | ||||||||||||||||||||||
| Assets: | ||||||||||||||||||||||||||
| Cash equivalents: | ||||||||||||||||||||||||||
| Money market funds | $ | 80,846 | $ | — | $ | — | $ | 80,846 | ||||||||||||||||||
| Marketable securities: | ||||||||||||||||||||||||||
| U.S. treasuries | 82,992 | — | — | 82,992 | ||||||||||||||||||||||
| U.S. agency securities | — | 13,067 | — | 13,067 | ||||||||||||||||||||||
| Corporate bonds | — | 73,747 | — | 73,747 | ||||||||||||||||||||||
| Commercial paper | — | 9,936 | — | 9,936 | ||||||||||||||||||||||
| 82,992 | 96,750 | — | 179,742 | |||||||||||||||||||||||
| Promissory note receivable | — | — | 1,526 | 1,526 | ||||||||||||||||||||||
| Interest rate swap derivative contract | — | 1,470 | — | 1,470 | ||||||||||||||||||||||
| Total assets | $ | 163,838 | $ | 98,220 | $ | 1,526 | $ | 263,584 | ||||||||||||||||||
| December 27, 2025 | Level 1 | Level 2 | Level 3 | Total | ||||||||||||||||||||||
| Assets: | ||||||||||||||||||||||||||
| Cash equivalents: | ||||||||||||||||||||||||||
| Money market funds | $ | 62,017 | $ | — | $ | — | $ | 62,017 | ||||||||||||||||||
| Commercial paper | — | 500 | — | 500 | ||||||||||||||||||||||
| 62,017 | 500 | — | 62,517 | |||||||||||||||||||||||
| Marketable securities: | ||||||||||||||||||||||||||
| U.S. treasuries | 76,626 | — | — | 76,626 | ||||||||||||||||||||||
| U.S. agency securities | — | 12,905 | — | 12,905 | ||||||||||||||||||||||
| Corporate bonds | — | 74,897 | — | 74,897 | ||||||||||||||||||||||
| Commercial paper | — | 7,414 | — | 7,414 | ||||||||||||||||||||||
| 76,626 | 95,216 | — | 171,842 | |||||||||||||||||||||||
| Promissory note receivable | — | — | 1,522 | 1,522 | ||||||||||||||||||||||
| Interest rate swap derivative contract | — | 1,422 | — | 1,422 | ||||||||||||||||||||||
| Total assets | $ | 138,643 | $ | 97,138 | $ | 1,522 | $ | 237,303 | ||||||||||||||||||
| Currency | Contract Position | Contract Amount (Local Currency) | Contract Amount (U.S. Dollars) | |||||||||||||||||
| Euro | Sell | 4,171 | 4,806 | |||||||||||||||||
| Japanese Yen | Sell | 3,259,229 | 20,382 | |||||||||||||||||
| Korean Won | Buy | 4,304,798 | 2,858 | |||||||||||||||||
| Taiwan Dollar | Sell | 114,351 | 3,575 | |||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Balance at beginning of year | $ | 2,503 | $ | 3,558 | |||||||
| Accruals | 1,257 | 1,668 | |||||||||
| Settlements | (1,371) | (1,675) | |||||||||
| Balance at end of period | $ | 2,389 | $ | 3,551 | |||||||
| March 28, 2026 | December 27, 2025 | ||||||||||
| Land | $ | 35,274 | $ | 35,274 | |||||||
| Building and building improvements | 46,508 | 46,502 | |||||||||
| Machinery and equipment | 312,705 | 317,024 | |||||||||
| Computer equipment and software | 45,154 | 45,135 | |||||||||
| Furniture and fixtures | 6,971 | 7,043 | |||||||||
| Leasehold improvements | 102,391 | 104,262 | |||||||||
| Sub-total | 549,003 | 555,240 | |||||||||
| Less: Accumulated depreciation and amortization | (393,325) | (390,323) | |||||||||
| Net property, plant and equipment | 155,678 | 164,917 | |||||||||
| Construction-in-progress | 92,766 | 94,151 | |||||||||
| Total | $ | 248,444 | $ | 259,068 | |||||||
| Units | Weighted Average Grant Date Fair Value | ||||||||||
RSUs at December 27, 2025 | 1,874,319 | $ | 35.10 | ||||||||
| Awards granted | 18,648 | 90.29 | |||||||||
| Awards vested | (205,237) | 32.68 | |||||||||
| Awards forfeited | (94,334) | 39.88 | |||||||||
RSUs at March 28, 2026 | 1,593,396 | 35.78 | |||||||||
| Three Months Ended | ||||||||
| March 28, 2026 | ||||||||
| Shares issued | 176,570 | |||||||
| Weighted average per share purchase price | $ | 33.06 | ||||||
| Weighted average per share discount from the fair value of our common stock on the date of issuance | $ | 37.49 | ||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Cost of revenues | $ | 1,841 | $ | 2,005 | |||||||
| Research and development | 2,404 | 2,646 | |||||||||
| Selling, general and administrative | 3,818 | 5,145 | |||||||||
| Total stock-based compensation | $ | 8,063 | $ | 9,796 | |||||||
Unrecognized Expense | Average Expected Recognition Period in Years | ||||||||||
| Restricted stock units | $ | 34,996 | 1.99 | ||||||||
| Performance restricted stock units | 7,913 | 1.86 | |||||||||
| Employee stock purchase plan | 1,412 | 0.34 | |||||||||
| Total unrecognized stock-based compensation expense | $ | 44,321 | 1.92 | ||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Weighted-average shares used in computing basic net income per share | 77,825 | 77,345 | |||||||||
| Add potentially dilutive securities | 1,590 | 539 | |||||||||
| Weighted-average shares used in computing diluted net income per share | 79,415 | 77,884 | |||||||||
| Securities not included as they would have been antidilutive | 10 | 593 | |||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Lease expense: | |||||||||||
| Operating lease expense | $ | 3,031 | $ | 2,151 | |||||||
| Short-term lease expense | 168 | 104 | |||||||||
| Variable lease expense | 754 | 780 | |||||||||
| $ | 3,953 | $ | 3,035 | ||||||||
| Fiscal Year | Amount | |||||||
Remainder of 2026 | $ | 6,865 | ||||||
| 2027 | 8,746 | |||||||
| 2028 | 5,064 | |||||||
| 2029 | 594 | |||||||
| 2030 | 456 | |||||||
| Thereafter | 972 | |||||||
Total minimum lease payments | 22,697 | |||||||
| Less: interest | (2,733) | |||||||
Present value of net minimum lease payments | 19,964 | |||||||
| Less: current portion | (8,326) | |||||||
Total long-term operating lease liabilities | $ | 11,638 | ||||||
| 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 | |||||||||||||||||||||||||||||||||||||||||||
| 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 | |||||||||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Revenues | 100.0 | % | 100.0 | % | |||||||
| Cost of revenues | 61.6 | 62.3 | |||||||||
| Gross profit | 38.4 | 37.7 | |||||||||
| Operating expenses: | |||||||||||
| Research and development | 13.6 | 16.2 | |||||||||
| Selling, general and administrative | 14.3 | 19.5 | |||||||||
| Factory start-up costs | 3.1 | — | |||||||||
| Total operating expenses | 31.0 | 35.7 | |||||||||
| Operating income | 7.4 | 2.0 | |||||||||
| Interest income, net | 0.9 | 1.9 | |||||||||
| Other income, net | 0.2 | 0.5 | |||||||||
| Income before income taxes and equity investment | 8.5 | 4.4 | |||||||||
| Provision for income taxes | 0.2 | 0.6 | |||||||||
| Income from equity investment | 0.7 | — | |||||||||
| Net income | 9.0 | % | 3.8 | % | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (In thousands) | |||||||||||
| Probe Cards | $ | 198,257 | $ | 136,520 | |||||||
Systems | 27,887 | 34,836 | |||||||||
| $ | 226,144 | $ | 171,356 | ||||||||
| Three Months Ended | |||||||||||||||||||||||||||||||||||
| March 28, 2026 | % of Revenues | March 29, 2025 | % of Revenues | $ Change | % Change | ||||||||||||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||||||||||||||
| Probe Cards Markets: | |||||||||||||||||||||||||||||||||||
| Foundry & Logic | $ | 111,188 | 49.2 | % | $ | 85,272 | 49.8 | % | $ | 25,916 | 30.4 | % | |||||||||||||||||||||||
| DRAM | 82,933 | 36.7 | 48,858 | 28.5 | 34,075 | 69.7 | |||||||||||||||||||||||||||||
| Flash | 4,136 | 1.8 | 2,390 | 1.4 | 1,746 | 73.1 | |||||||||||||||||||||||||||||
| Systems Market: | |||||||||||||||||||||||||||||||||||
Systems | 27,887 | 12.3 | 34,836 | 20.3 | (6,949) | (19.9) | |||||||||||||||||||||||||||||
| Total revenues | $ | 226,144 | 100.0 | % | $ | 171,356 | 100.0 | % | $ | 54,788 | 32.0 | % | |||||||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||
| March 28, 2026 | % of Revenues | March 29, 2025 | % of Revenues | ||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||
| South Korea | $ | 80,562 | 35.6 | % | $ | 43,171 | 25.2 | % | |||||||||||||||
| Taiwan | 70,840 | 31.3 | 45,362 | 26.5 | |||||||||||||||||||
| United States | 29,410 | 13.0 | 40,325 | 23.5 | |||||||||||||||||||
| China | 11,362 | 5.0 | 13,615 | 7.9 | |||||||||||||||||||
| Singapore | 10,275 | 4.5 | 6,249 | 3.6 | |||||||||||||||||||
| Japan | 8,282 | 3.7 | 10,319 | 6.0 | |||||||||||||||||||
| Europe | 7,774 | 3.4 | 7,781 | 4.5 | |||||||||||||||||||
| Malaysia | 3,714 | 1.6 | 2,600 | 1.5 | |||||||||||||||||||
| Rest of the world | 3,925 | 1.9 | 1,934 | 1.3 | |||||||||||||||||||
| Total revenues | $ | 226,144 | 100.0 | % | $ | 171,356 | 100.0 | % | |||||||||||||||
| Three Months Ended | |||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ Change | % Change | ||||||||||||||||||||
| Gross profit | $ | 86,794 | $ | 64,523 | $ | 22,271 | 34.5 | % | |||||||||||||||
| Gross margin | 38.4 | % | 37.7 | % | |||||||||||||||||||
| Three Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||||||||||||||||||||||||||||||||||||||
| Probe Cards | Systems | Corporate and Other | Total | Probe Cards | Systems | Corporate and Other | Total | ||||||||||||||||||||||||||||||||||||||||
| 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 | % | |||||||||||||||||||||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Stock-based compensation | $ | 1,841 | $ | 2,005 | |||||||
| Three Months Ended | |||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ Change | % Change | ||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||
| Research and development | $ | 30,780 | $ | 27,800 | $ | 2,980 | 10.7 | % | |||||||||||||||
| % of revenues | 13.6 | % | 16.2 | % | |||||||||||||||||||
| Three Months Ended March 28, 2026 compared to Three Months Ended March 29, 2025 | ||||||||
| Employee compensation costs | $ | 3,180 | ||||||
| Restructuring charges | 1,252 | |||||||
| Project material costs | (752) | |||||||
| General operational costs | (458) | |||||||
| Stock-based compensation expense | (242) | |||||||
| $ | 2,980 | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
Stock-based compensation expense | $ | 2,404 | $ | 2,646 | |||||||
| Three Months Ended | |||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ Change | % Change | ||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||
| Selling, general and administrative | $ | 32,292 | $ | 33,454 | $ | (1,162) | (3.5) | % | |||||||||||||||
| % of revenues | 14.3 | % | 19.5 | % | |||||||||||||||||||
| Three Months Ended March 28, 2026 compared to Three Months Ended March 29, 2025 | ||||||||
| Employee compensation costs | $ | 3,215 | ||||||
| Restructuring charges | (2,228) | |||||||
| Stock-based compensation expense | (1,327) | |||||||
| General operating expenses | (450) | |||||||
| Amortization of intangibles | (191) | |||||||
| Commission expenses | (181) | |||||||
| $ | (1,162) | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| Stock-based compensation expense | $ | 3,818 | $ | 5,145 | |||||||
| Three Months Ended | |||||||||||||||||||||||
| March 28, 2026 | March 29, 2025 | $ Change | % Change | ||||||||||||||||||||
| (Dollars in thousands) | |||||||||||||||||||||||
| Factory start-up costs | $ | 7,074 | $ | — | $ | 7,074 | — | ||||||||||||||||
| % of revenues | 3.1 | % | — | % | |||||||||||||||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (Dollars in thousands) | |||||||||||
| Interest Income | $ | 2,429 | $ | 3,416 | |||||||
| Weighted average balance of cash and investments | $ | 305,505 | $ | 349,664 | |||||||
| Weighted average yield on cash and investments | 3.67 | % | 4.47 | % | |||||||
| Interest Expense | $ | 255 | $ | 99 | |||||||
| Average debt outstanding | $ | 11,993 | $ | 13,110 | |||||||
| Weighted average interest rate on debt | 2.75 | % | 2.75 | % | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (In thousands, except percentages) | |||||||||||
| Provision for income taxes | $ | 396 | $ | 1,075 | |||||||
| Effective tax rate | 2.1 | % | 14.4 | % | |||||||
| Three Months Ended | |||||||||||
| March 28, 2026 | March 29, 2025 | ||||||||||
| (In thousands) | |||||||||||
| Net cash provided by operating activities | $ | 44,961 | $ | 23,539 | |||||||
| Net cash used in investing activities | $ | (23,407) | $ | (84,660) | |||||||
| Net cash used in financing activities | $ | (1,196) | $ | (2,964) | |||||||
| Payments Due In Fiscal Year | |||||||||||||||||||||||||||||||||||||||||
Remainder 2026 | 2027 | 2028 | 2029 | 2030 | Thereafter | Total | |||||||||||||||||||||||||||||||||||
| Operating leases | $ | 6,865 | $ | 8,746 | $ | 5,064 | $ | 594 | $ | 456 | $ | 972 | $ | 22,697 | |||||||||||||||||||||||||||
| Term loans - principal payments | 860 | 1,175 | 1,208 | 1,242 | 1,278 | 6,212 | 11,975 | ||||||||||||||||||||||||||||||||||
Term loans - interest payments(1) | 488 | 593 | 528 | 460 | 386 | 815 | 3,270 | ||||||||||||||||||||||||||||||||||
Revolver - commitment fee(2) | 193 | 228 | 232 | 228 | 131 | — | 1,012 | ||||||||||||||||||||||||||||||||||
| Total | $ | 8,406 | $ | 10,742 | $ | 7,032 | $ | 2,524 | $ | 2,251 | $ | 7,999 | $ | 38,954 | |||||||||||||||||||||||||||
| Exhibit | Incorporated by Reference | Filed | ||||||||||||||||||||||||||||||
| Number | Exhibit Description | Form | Date | Number | Herewith | |||||||||||||||||||||||||||
| X | ||||||||||||||||||||||||||||||||
| X | ||||||||||||||||||||||||||||||||
| X | ||||||||||||||||||||||||||||||||
| * | ||||||||||||||||||||||||||||||||
| 101 | The following financial statements from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 28, 2026, formatted in Inline XBRL: (i) Condensed Consolidated Balance Sheets, (ii) Condensed Consolidated Statements of Income, (iii) Condensed Consolidated Statements of Comprehensive Income, (iv) Condensed Consolidated Statements of Stockholders’ Equity, (v) Condensed Consolidated Statements of Cash Flows, and (vi) Notes to Condensed Consolidated Financial Statements, tagged as blocks of text and including detailed tags | X | ||||||||||||||||||||||||||||||
| 101.INS | XBRL Instance Document | X | ||||||||||||||||||||||||||||||
| 101.SCH | XBRL Taxonomy Extension Schema Document | X | ||||||||||||||||||||||||||||||
| 101.CAL | XBRL Taxonomy Extension Calculation Linkbase Document | X | ||||||||||||||||||||||||||||||
| 101.DEF | XBRL Taxonomy Extension Definition Linkbase Document | X | ||||||||||||||||||||||||||||||
| 101.LAB | XBRL Taxonomy Extension Label Linkbase Document | X | ||||||||||||||||||||||||||||||
| 101.PRE | XBRL Taxonomy Extension Presentation Linkbase Document | X | ||||||||||||||||||||||||||||||
| 104 | The cover page from the Company’s Quarterly Report on Form 10-Q for the quarter ended March 28, 2026, formatted in Inline XBRL (included as Exhibit 101) | X | ||||||||||||||||||||||||||||||
| FormFactor, Inc. | |||||||||||
| Date: | May 5, 2026 | By: | /s/ ARIC MCKINNIS | ||||||||
| Aric McKinnis | |||||||||||
| Chief Financial Officer | |||||||||||
| (Duly Authorized Officer, Principal Financial Officer, and Principal Accounting Officer) | |||||||||||
| Date: | May 5, 2026 | /s/ MICHAEL D. SLESSOR | ||||||
Michael D. Slessor Chief Executive Officer (Principal Executive Officer and Director) | ||||||||
| Date: | May 5, 2026 | /s/ ARIC MCKINNIS | ||||||
Aric McKinnis Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer) | ||||||||
| Date: | May 5, 2026 | /s/ MICHAEL D. SLESSOR | ||||||
Michael D. Slessor Chief Executive Officer (Principal Executive Officer and Director) | ||||||||
| Date: | May 5, 2026 | /s/ ARIC MCKINNIS | ||||||
Aric McKinnis Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer) | ||||||||