System1 is an American Internet advertising company. Formerly known as OpenMail, it was founded in 2013. It describes itself as operating a "Responsive Acquisition Marketing Platform", and cites privacy as one of its principal foci, although it has been criticized for its influence on privacy-focused properties, including search engine Startpage.com. It is headquartered in Marina del Rey, California.
| trading_symbol | registrant_name | time | price | change | percentage_change |
|---|---|---|---|---|---|
| SST | System1, Inc. | 2026-10-08 08:38:52 | 2.3 | -0.04 | -1.71 |
| trading_symbol | central_index_key | registrant_name | isin_number | lei_number | ein_number | exchange | sic_code | sic_description | fiscal_year_end | state_of_incorporation | address_street | address_city | address_state | address_zip_code | address_country | address_country_code | phone_number | mailing_address | business_address | former_name | industry | founding_date | chief_executive_officer | number_of_employees | website | market_cap | shares_issued | shares_outstanding | description | update_time |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SST | 0001805833 | System1, Inc. | US87200P2083 | — | 923978051 | NYSE | 7370 | Services-Computer Programming, Data Processing, Etc. | 1231 | — | 4235 REDWOOD AVENUE | MARINA DEL REY | CA | 90066 | UNITED STATES | US | 310-924-6037 | 4235 REDWOOD AVENUE, MARINA DEL RAY, CA, 90066 | 4235 REDWOOD AVENUE, MARINA DEL REY, CA, 90066 | Trebia Acquisition Corp. | News media | 2013 | Michael Blend | — | https://system1.com | 9,700,000 | — | 91,455,846 | System1 is an American Internet advertising company. Formerly known as OpenMail, it was founded in 2013. It describes itself as operating a "Responsive Acquisition Marketing Platform", and cites privacy as one of its principal foci, although it has been criticized for its influence on privacy-focused properties, including search engine Startpage.com. It is headquartered in Marina del Rey, California. | 2026-10-01 22:47:45 |
| Fiscal Year | Market Cap | Change In Market Cap | Percentage Change In Market Cap | Shares Outstanding | Change In Shares Outstanding | Percentage Change In Shares Outstanding |
|---|---|---|---|---|---|---|
| 2025 | 9,700,000 | -30,200,000 | -75.6892 | — | — | — |
| 2024 | 39,900,000 | -78,837,000 | -66.3963 | — | — | — |
| 2023 | 118,737,000 | -175,630,345,263,000 | -99.9999 | — | — | — |
| Executive Name | Executive Position | Fiscal Year | Salary | Bonus | Stock Awards | Incentive Plan Compensation | Other Compensation | Total Compensation |
|---|---|---|---|---|---|---|---|---|
| Charles Ursini | Chief Operating Officer | 2025 | 450,000 | 0 | 2,994,365 | 0 | 29,974 | 3,474,339 |
| Marc Mezzacca | President | 2025 | 300,000 | 0 | 90,050 | 9,123,003 | 36,001 | 9,549,054 |
| Michael Blend | Chief Executive Officer | 2025 | 0 | 0 | 601,490 | 0 | 34,843 | 636,333 |
| Tridivesh Kidambi | Chief Financial Officer | 2025 | 450,000 | 142,135 | 612,967 | 211,800 | 34,057 | 1,450,959 |
| Charles Ursini | Chief Operating Officer | 2024 | 0 | 0 | 2,355,541 | 0 | 21,678 | 2,377,219 |
| Fiscal Year | Employee Count |
|---|---|
| 2025 | 250 |
| 2024 | 300 |
| 2023 | 300 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Revenue | 266,129,000 | 343,925,000 | 401,971,000 |
| Cost Of Revenue | 165,734,000 | 183,857,000 | 248,745,000 |
| Gross Profit | 100,395,000 | 160,068,000 | 153,226,000 |
| Research And Development Expenses | — | — | — |
| General And Administrative Expenses | 69,688,000 | 47,346,000 | 54,307,000 |
| Operating Expenses | 162,435,000 | 248,669,000 | 239,215,000 |
| Operating Income | -62,040,000 | -88,601,000 | -85,989,000 |
| Net Income | -65,345,000 | -74,673,000 | -227,221,000 |
| Earnings Per Share Basic | -8.32 | -1.07 | -2.48 |
| Earnings Per Share Diluted | -8.32 | -1.07 | -2.48 |
| Weighted Average Shares Outstanding Basic | 7,854,000 | 69,554,000 | 91,454,000 |
| Weighted Average Shares Outstanding Diluted | 7,854,000 | 69,554,000 | 91,454,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Cash And Cash Equivalents | 86,887,000 | 63,607,000 | 0 |
| Marketable Securities Current | — | — | — |
| Accounts Receivable | 57,289,000 | 62,916,000 | 56,093,000 |
| Inventories | — | — | — |
| Non Trade Receivables | — | — | — |
| Other Assets Current | 4,061,000 | 3,984,000 | 6,754,000 |
| Total Assets Current | 149,480,000 | 134,477,000 | 202,003,000 |
| Marketable Securities Non Current | — | — | — |
| Property Plant And Equipment | 1,562,000 | 2,104,000 | 3,084,000 |
| Other Assets Non Current | 263,000 | 349,000 | 524,000 |
| Total Assets Non Current | 255,492,000 | 324,652,000 | 403,467,000 |
| Total Assets | 404,972,000 | 459,129,000 | 605,470,000 |
| Accounts Payable | 22,016,000 | 10,401,000 | 9,499,000 |
| Deferred Revenue | — | — | 1,757,000 |
| Short Term Debt | 76,718,000 | 16,405,000 | 15,271,000 |
| Other Liabilities Current | 3,593,000 | 5,390,000 | 5,016,000 |
| Total Liabilities Current | 146,438,000 | 105,095,000 | 86,417,000 |
| Long Term Debt | 305,117,000 | 271,523,000 | 349,503,000 |
| Other Liabilities Non Current | 520,000 | 6,054,000 | 929,000 |
| Total Liabilities Non Current | 241,115,000 | 269,038,000 | 349,738,000 |
| Total Liabilities | 387,553,000 | 374,133,000 | 436,155,000 |
| Common Stock | — | — | — |
| Retained Earnings | -847,679,000 | -782,335,000 | -707,662,000 |
| Accumulated Other Comprehensive Income | -157,000 | -443,000 | -181,000 |
| Total Shareholders Equity | 30,467,000 | 80,264,000 | 135,278,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Depreciation And Amortization | 600,000 | 80,107,000 | 78,403,000 |
| Share Based Compensation Expense | 11,312,000 | 15,763,000 | 53,085,000 |
| Other Non Cash Income Expense | — | — | — |
| Change In Accounts Receivable | -4,927,000 | 6,802,000 | -20,857,000 |
| Change In Inventories | — | — | — |
| Change In Non Trade Receivables | — | — | — |
| Change In Other Assets | -24,000 | -2,846,000 | -5,207,000 |
| Change In Accounts Payable | 12,007,000 | 903,000 | -6,796,000 |
| Change In Other Liabilities | -35,672,000 | 1,992,000 | -19,438,000 |
| Cash From Operating Activities | -4,147,000 | -5,255,000 | -24,742,000 |
| Purchases Of Marketable Securities | — | — | — |
| Sales Of Marketable Securities | — | — | — |
| Acquisition Of Property Plant And Equipment | 46,000 | 31,000 | 2,353,000 |
| Acquisition Of Business | — | — | 0 |
| Other Investing Activities | — | — | — |
| Cash From Investing Activities | -6,723,000 | -6,255,000 | 203,179,000 |
| Tax Withholding For Share Based Compensation | — | — | — |
| Payments Of Dividends | — | — | — |
| Issuance Of Common Stock | 2,250,000 | 1,707,000 | 1,658,000 |
| Repurchase Of Common Stock | 557,000 | — | 0 |
| Issuance Of Long Term Debt | 50,000,000 | — | 0 |
| Repayment Of Long Term Debt | 20,000,000 | 61,786,000 | 20,000,000 |
| Other Financing Activities | — | — | — |
| Cash From Financing Activities | 31,305,000 | -63,961,000 | -74,072,000 |
| Change In Cash | 20,561,000 | -75,502,000 | 104,375,000 |
| Cash At End Of Period | 86,887,000 | 63,607,000 | 0 |
| Income Taxes Paid | -43,000 | -1,617,000 | 7,102,000 |
| Interest Paid | 25,618,000 | 30,677,000 | 42,875,000 |
| Fiscal Year | 2025 | 2024 | 2023 |
|---|---|---|---|
| Earnings Per Share | -8.32 | -1.07 | -2.48 |
| Price To Earnings Ratio | -0.4712 | -8.3953 | -8.9516 |
| Earnings Growth Rate | 677.5701 | -56.8548 | -34.2175 |
| Price Earnings To Growth Ratio | -0.0007 | 0.1477 | 0.2616 |
| Book Value Per Share | 2.2179 | 1.222 | 1.8514 |
| Price To Book Ratio | 1.7675 | 7.351 | 11.9911 |
| Ebitda | -37,232,000 | 35,379,000 | -92,971,000 |
| Enterprise Value | 325,735,680 | 849,124,582 | 2,395,052,800 |
| Dividend Yield | — | — | — |
| Dividend Payout Ratio | — | — | — |
| Debt To Equity Ratio | 12.5327 | 3.5873 | 2.6965 |
| Capital Expenditures | 58,000 | 79,127,000 | 77,465,000 |
| Free Cash Flow | -4,205,000 | -84,382,000 | -102,207,000 |
| Return On Equity | -2.1448 | -0.9303 | -1.6797 |
| One Year Beta | 1.5673 | 1.8203 | 0.632 |
| Three Year Beta | 1.3923 | 0.9529 | 0.6793 |
| Five Year Beta | 1.0276 | 0.7637 | 0.6084 |
| Insider Name | Relationship To Issuer | Transaction Date | Amount Of Securities | Acquired Or Disposed | Securities Owned Following Transaction |
|---|---|---|---|---|---|
| Sestanovich Elizabeth | Chief People Officer | 2026-07-15 | 7,058 | D | 51,890 |
| Weinrot Daniel J | General Counsel & Secretary | 2026-07-15 | 9,156 | D | 59,897 |
| Kidambi Tridivesh | Chief Financial Officer | 2026-07-15 | 6,022 | D | 175,793 |
| Coppola Brian | Chief Ad Operations Officer | 2026-07-15 | 6,124 | D | 59,774 |
| Kidambi Tridivesh | Chief Financial Officer | 2026-05-29 | 35,300 | A | 181,815 |
| Investor Name | Period Of Report | Market Value | Amount Of Securities | Price Per Security |
|---|---|---|---|---|
| STATE STREET CORP | 2026-06-30 | 26,570 | 11,502 | 2.31 |
| BANK OF AMERICA CORP /DE/ | 2026-06-30 | 373,095 | 161,513 | 2.31 |
| BARCLAYS PLC | 2026-06-30 | 21 | 9 | 2.3333 |
| ROYAL BANK OF CANADA | 2026-06-30 | 3,000 | 1,308 | 2.2936 |
| JONES FINANCIAL COMPANIES LLLP | 2026-06-30 | 919 | 366 | 2.5109 |
| Registrant Name | Period Of Report | Fund Name | Fund Symbol | Amount Of Units | Value In Usd | Percentage Value Compared To Assets |
|---|---|---|---|---|---|---|
| Advisors' Inner Circle Fund III | 2026-07-31 | I Shares | KCXIX | 22 | 39.15 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | Institutional Select Shares | VSTSX | 107,513 | 248,355.03 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | Institutional Plus Shares | VSMPX | 107,513 | 248,355.03 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | ETF Shares | VTI | 107,513 | 248,355.03 | 0.0 |
| VANGUARD INDEX FUNDS | 2026-06-30 | Institutional Shares | VITSX | 107,513 | 248,355.03 | 0.0 |