SST reports quarter ended Sept 30, 2025; Exhibit 99.1 furnished

Rhea-AI Filing Summary

System1, Inc. (SST) furnished an 8-K under Item 2.02 announcing financial results for the quarter ended September 30, 2025. The company issued a press release, attached as Exhibit 99.1, which includes details of the quarter’s performance.

The Item 2.02 information, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act. The press release references certain non-GAAP financial measures, with reconciliations to GAAP and explanations of their use included in the release.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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0001805833FALSE00018058332025-11-052025-11-05

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): November 5, 2025

System1, Inc.

(Exact name of registrant as specified in its charter)

Delaware

001-39331

92-3978051

(State or other jurisdiction of incorporation or organization)

(Commission File Number)

(I.R.S. Employer Identification Number)

4235 Redwood Avenue Los Angeles, California

90066

(Address of principal executive offices)

(Zip Code)

(310) 924-6037

(Registrant's telephone number, including area code)

Not Applicable

(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:

☐			Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
☐			Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
☐			Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
☐			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

Name of each exchange on which registered

Class A Common Stock, $0.0001 par value per share

SST

New York Stock Exchange

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 ☒

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. ☐

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Section 2 - Financial Information

Item 2.02 - Results of Operations and Financial Condition

On November 5, 2025, System1, Inc. (the “Company”) issued a press release announcing financial results for its quarter ended September 30, 2025. The full text of the Company’s press release is attached as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.

The information in this Item 2.02 (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 it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, regardless of any general incorporation language in such filing, except as expressly set forth by specific reference in such a filing.

The Company makes reference to certain non-GAAP financial measures in the press release. A reconciliation of these non-GAAP financial measures to the most directly comparable GAAP financial measures and reasons for why the Company believes these non-GAAP financial measures are useful are contained in the attached press release.

Section 9 - Financial Statements and Exhibits

Item 9.01 - Financial Statements and Exhibits

(d) Exhibits.

Exhibit No.			Description
99.1			Press Release dated November 5, 2025
104			Cover Page Interactive Data File (embedded within the Inline XBRL document).

2

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

						System1, Inc.
Date:			November 5, 2025			By:			/s/ Tridivesh Kidambi
						Name:			Tridivesh Kidambi
						Title:			Chief Financial Officer

3

FAQ

What did System1 (SST) announce in this 8-K?

The company furnished an Item 2.02 report announcing financial results for the quarter ended September 30, 2025, via a press release attached as Exhibit 99.1.

Which period do the results cover for SST?

The results cover the quarter ended September 30, 2025.

Is the information considered filed or furnished?

The Item 2.02 information, including Exhibit 99.1, is furnished and not deemed “filed” under the Exchange Act.

Where can I find the detailed results for SST?

Details are in the press release attached as Exhibit 99.1 to the 8-K.

Does the release include non-GAAP measures?

Yes. It references non-GAAP measures and provides reconciliations to the most directly comparable GAAP measures.

What exhibits are included with SST’s 8-K?

Exhibit 99.1 (press release) and Exhibit 104 (Cover Page Interactive Data File).