Item 7.01 - Regulation FD Disclosure Supplemental Financial Information On March 11, 2026 , System1, Inc. (the "Company") posted supplemental financial information for its quarter ended December 31, 2025 on the Company’s website at https://ir.system1.com. A copy of the supplemental financial information is furnished herewith as Exhibit 99.1. The Company’s website and the information contained on, or that can be accessed through, the Company’s website will not be deemed to be incorporated by reference in, and are not considered part of, this Current Report. The foregoing supplemental financial information and related information (including the exhibit set forth in Item 9.01 hereto) in this Item 7.01 is being furnished and 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 it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended regardless of any general incorporation language in such filing, except as expressly set forth by specific reference in such a filing. This Current Report will not be deemed an admission as to the materiality of any information in this Current Report that is required to be disclosed solely by Regulation FD.
SST System1, Inc. - 8-K
Accession
0001805833-26-0000157.019.01
Item 7.01 - Regulation FD Disclosure
210 words
Item 9.01 - Financial Statements and Exhibits
33 words
Item 9.01 - Financial Statements and Exhibits (d) Exhibits. Exhibit No. Description 99.1 Fourth Quarter 202 5 Supplemental Financial Information 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). 2