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false0001451809June 30, 2026Santa ClaraCalifornia(408)328-440000014518092026-06-302026-06-30

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
_________________________________________________________
FORM 8-K/A
(Amendment No. 1)
_________________________________________________________
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): June 30, 2026
_________________________________________________________
SiTime Corporation
(Exact name of Registrant as Specified in Its Charter)
_________________________________________________________
Delaware001-3913502-0713868
(State or Other Jurisdiction
of Incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
5451 Patrick Henry Drive
Santa Clara, California
95054
(Address of Principal Executive Offices)(Zip Code)
Registrant’s Telephone Number, Including Area Code: (408) 328-4400
(Former Name or Former Address, if Changed Since Last Report)
_________________________________________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
o     Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o     Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o     Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o     Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Securities registered pursuant to Section 12(b) of the Act:
Title of each class
Trading
Symbol(s)
Name of each exchange on which registered
Common Stock, $0.0001 par value per shareSITMThe Nasdaq Stock Market LLC
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§ 230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§ 240.12b-2 of this chapter).
Emerging growth company o
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o
Explanatory Note
On July 1, 2026, SiTime Corporation, a Delaware corporation (the “Company”) filed a Current Report on Form 8-K (the “Original Report”) to report, among other things, the completion of its previously announced acquisition of certain assets related to the timing business of Renesas Electronics Corporation (the “Timing Product Business” and such acquisition, the "Acquisition") pursuant to that certain Asset Purchase Agreement between the Company and Renesas Electronics America Inc., a California corporation ("Renesas"), dated February 4, 2026.
The Company is filing this Current Report on Form 8-K/A (the “Amendment”) 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, as permitted under Items 9.01(a)(3) and 9.01(b)(2). Except for the filing of such financial statements and pro forma financial information, this Amendment does not otherwise modify or update the Original Report, and this Amendment should be read in conjunction with the Original Report.
Item 9.01 Financial Statements and Exhibits.
(a) Financial Statements of Business Acquired.
Pursuant to Rule 3-05 of Regulation S-X, the Company is filing herewith the unaudited interim combined financial statements of the Timing Product Business as of June 30, 2026, and for the six months ended June 30, 2026 and 2025, which are filed as Exhibit 99.1 and incorporated by reference herein. These combined financial statements have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission and U.S. generally accepted accounting principles, and include:
•Statements of Assets Acquired and Liabilities Assumed as of June 30, 2026 (unaudited);
•Statements of Revenue and Direct Expenses for the six months ended June 30, 2026 and 2025 (unaudited); and
•Notes to the Interim Combined Financial Statements (unaudited).
The Company previously filed the audited combined financial statements of the Timing Product Business as of and for the years ended December 31, 2025 and 2024 as Exhibit 99.1 to the Company’s Current Report on Form 8-K filed on May 19, 2026 and incorporated by reference herein.
(b) Pro Forma Financial Information.
Pursuant to Article 11 of Regulation S-X, the Company is filing herewith (i) the unaudited pro forma condensed combined balance sheet as of June 30, 2026, of the Company, giving effect to the Acquisition as if it had been completed on June 30, 2026; and (ii) the unaudited pro forma condensed combined income statements for the six months ended June 30, 2026 and the year ended December 31, 2025, each giving effect to the Acquisition and the related financing as if they had been completed on January 1, 2025, and include:
•Unaudited Pro Forma Condensed Combined Balance Sheet as of June 30, 2026;
•Unaudited Pro Forma Condensed Combined Income Statement for the six months ended June 30, 2026;
•Unaudited Pro Forma Condensed Combined Income Statement for the year ended December 31, 2025; and
•Notes to Unaudited Pro Forma Condensed Combined Financial Information.
The unaudited pro forma condensed combined financial information is attached hereto as Exhibit 99.2 and incorporated by reference herein.
The pro forma financial information included as Exhibit 99.2 to this Current Report on Form 8-K 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.


d)Exhibits.
Exhibit No.Description
104 Cover Page Interactive Data File (embedded within the Inline XBRL document)


SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.
SiTime Corporation
Date:September 8, 2026By: /s/ Elizabeth A. Howe
Elizabeth A. Howe
Executive Vice President and Chief Financial Officer