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Acquisitions | 3 Months Ended
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Mar. 31, 2026
Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] |
Acquisitions | Acquisitions Optical Proximity Correction Suite of Tools On March 4, 2025, the Company consummated an asset purchase agreement with Cadence Design Systems, Inc. (“Cadence”), pursuant to which, among other things, Silvaco agreed to acquire certain assets and assume certain liabilities comprising Cadence’s Process Proximity Compensation product line, an optical proximity correction suite of tools (the “OPC Business”), in exchange for $11.5 million in cash. The Company expects that the addition of the OPC suite of tools and expert team, which are complementary to Silvaco’s EDA and TCAD suite, will enhance Silvaco’s ability to offer advanced computational lithography solutions that address the increasing complexity of semiconductor manufacturing at advanced nodes. The acquisition was accounted for as a business combination, and Silvaco recorded the assets acquired and liabilities assumed based on their estimated fair values at the date of the acquisition. Silvaco recorded the excess of consideration transferred over the aggregate fair values of acquired assets and assumed liabilities as goodwill. The goodwill recorded was primarily attributable to synergies expected to arise after the acquisition and the value of the acquired workforce, and is expected to be deductible for U.S. income tax purposes. The following is a summary of the assets acquired and liabilities assumed in the OPC Business acquisition.
Asset Type |  | Weighted Average Amortization Period (Years) |  | Fair Value
|  |  |  | (in thousands)
Contract asset |  |  |  | $ | 615 |
Deferred tax asset |  |  |  | 164 |
Developed Technology |  | 7 |  | 1,000 |
Customer Relationships |  | 6 |  | 4,990 |
Goodwill |  |  |  | 5,147 |
Deferred revenue |  |  |  | (416) |
Net assets acquired and liabilities assumed |  |  |  | $ | 11,500 |
The fair value of developed technology was determined using a discounted cash flow model through application of the income approach, using the relief-from-royalty method, which assumed a market-based royalty rate applied to projected revenue. The fair value of customer relationships was determined using a discounted cash flow model under the income approach, specifically the multi-period excess earnings method, which discounts future cash flows attributable to existing customers, net of operating expenses and contributory asset charges. During the three months ended March 31, 2026, and 2025, the Company incurred $0 and $0.7 million of acquisition-related expenses, respectively, in connection with the acquisition of the OPC Business, which were recognized in general and administrative expense on the condensed consolidated statements of operations. Tech-X Corporation On April 29, 2025, the Company consummated a stock purchase agreement with the shareholders of Tech-X Corporation (“Tech-X”), pursuant to which Silvaco agreed to acquire all of the outstanding shares of Tech-X for an aggregate purchase price of $8.2 million. The purchase consideration consisted of (i) $4.1 million in cash, (ii) 457,666 shares of the Company’s common stock with a fair value of $2.4 million on the closing date, and (iii) contingent consideration, with a maximum payout of $2.0 million, and with an estimated fair value of $1.7 million, payable upon the achievement of specified technical milestones through December 2026. In February 2026, the Company and a selling shareholder of Tech-X agreed to amend the form of payment of the contingent consideration and post-closing net working capital adjustments to be payable in shares of the Company’s common stock. As a result of the achievement of the first milestone and to settle the net working capital adjustments, the Company issued 167,281 shares of its common stock in February 2026 to a shareholder of Tech-X and recorded the issuance of shares at its fair value of $0.7 million in additional paid in capital. The Company and the Tech-X selling shareholder representative also agreed to extend the date through which contingent consideration can be earned to July 2027.

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