SiNtx Technologies, Inc.

Item 2.02 Results of Operations and Financial Condition. On October 1, 2026, SINTX Technologies, Inc. (the “Company”) issued a press release announcing preliminary, unaudited revenue for the fiscal quarter ended September 30, 2026 and providing an update regarding the Company’s previously announced revenue guidance. The Company reported preliminary, unaudited revenue of approximately $2.2 million for the quarter ended September 30, 2026, of which approximately $2.1 million was derived from product sales. The preliminary financial information described above is based on information currently available to management and remains subject to completion of the Company’s quarter-end financial close and review procedures. A copy of the press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference. Item 7.01. Regulation FD Disclosure. As described in the press release furnished as Exhibit 99.1, based on the preliminary quarterly revenue described under Item 2.02 above, the Company intends to deliver a Call Notice to the holders of its outstanding Class B Common Stock Purchase Warrants (the “Class B Warrants”) pursuant to the terms of the Class B Warrants. The Class B Warrants provide the Company with the right to call for exercise all or a portion of the outstanding Class B Warrants upon the Company reporting Quarterly Revenue, as defined in the Class B Warrants, of at least $2.0 million for a fiscal quarter in a qualifying Revenue Evidence Filing. The Company has determined that approximately $2.1 million of its revenue for the quarter ended September 30, 2026 constitutes Quarterly Revenue for purposes of the Class B Warrants. The press release also includes information regarding the Company’s fourth-quarter 2026 revenue outlook and certain business and operational developments. The information furnished pursuant to Items 2.02 and 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall such information be deemed incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as expressly set forth by specific reference in such filing.