SiTime Corporation filed a Form 8-K/A on September 8, 2026, amending its July 1, 2026 Current Report to include required financial statements and pro forma financial information related to its acquisition of certain assets from Renesas Electronics Corporation's timing business.

Key Highlights

  • Amendment purpose: The filing amends Item 9.01 of the original report solely to add financial statements and pro forma financial information related to the Acquisition, as permitted under Items 9.01(a)(3) and 9.01(b)(2).
  • Asset Purchase Agreement: The Acquisition was completed pursuant to an Asset Purchase Agreement between SiTime and Renesas Electronics America Inc., dated February 4, 2026.
  • Interim financial statements: Unaudited combined financial statements of the Timing Product Business as of June 30, 2026, and for the six months ended June 30, 2026 and 2025, are filed as Exhibit 99.1.
  • Prior audited statements: Audited combined financial statements as of and for the years ended December 31, 2025 and 2024 were previously filed as Exhibit 99.1 to a Current Report on May 19, 2026.
  • Pro forma information: Unaudited pro forma condensed combined financial information as of June 30, 2026, and for the six months ended June 30, 2026 and the year ended December 31, 2025, is filed as Exhibit 99.2.
  • Pro forma basis: The pro forma statements give effect to the Acquisition and related financing as if they had been completed on January 1, 2025.

SiTime Supplements Renesas Timing Business Acquisition Disclosures

According to the filing, SiTime Corporation (NASDAQ:SITM) originally reported the completion of its acquisition of certain assets constituting the Timing Product Business of Renesas Electronics Corporation in a Current Report filed July 1, 2026. The company disclosed that the Amendment was filed "solely to amend Item 9.01 of the Original Report to present the required financial statements and pro forma financial information related to the Acquisition not later than 71 calendar days from the date on which the Original Report was required to be filed." The filing states the Amendment does not otherwise modify or update the Original Report.

The interim combined financial statements filed as Exhibit 99.1 cover the Timing Product Business as of June 30, 2026, and include Statements of Assets Acquired and Liabilities Assumed, Statements of Revenue and Direct Expenses for the six months ended June 30, 2026 and 2025, and related notes. These statements were prepared in accordance with SEC rules and regulations and U.S. generally accepted accounting principles, the company disclosed. Audited financial statements for the years ended December 31, 2025 and 2024 had been filed previously on May 19, 2026.

The pro forma financial information filed as Exhibit 99.2 presents a condensed combined balance sheet as of June 30, 2026, and condensed combined income statements for the six months ended June 30, 2026 and the year ended December 31, 2025. The filing states that this information "has been prepared for illustrative purposes only as required by Form 8-K, and is not intended to, and does not purport to, represent what the Company's actual results or financial condition would have been if the Acquisition had occurred on the relevant date and is not intended to project the future results or the financial condition that the Company may achieve following the Acquisition."

What Was Disclosed

SiTime filed an amended Current Report to provide interim unaudited financial statements and pro forma financial information for its acquisition of Renesas Electronics Corporation's Timing Product Business, pursuant to an Asset Purchase Agreement dated February 4, 2026, with the original report filed July 1, 2026.