Companies / System1, Inc.
System1, Inc.
NYSE: SSTCIK 1805833MARINA DEL REY, CA
Financials · FY2025
Ownership
10.5M shares outstanding · as of Aug 1, 2026
Ownership
Share classes
| Class A | 83.03% | |
| Class C | 16.97% |
| Insiders | 2.44% | 255,529 |
| Institutions | 8.02% | 841,113 |
| Public float | 89.54% | 9,392,007 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 4
View all →| Insider | % of shares | Shares |
|---|---|---|
Kidambi TridiveshChief Financial Officer | 1.14% | 119,906 |
Weinrot Daniel JGeneral Counsel & Secretary | 0.66% | 69,394 |
Coppola BrianChief Ad Operations Officer | 0.63% | 66,229 |
Sestanovich ElizabethFormerChief People Officer | 0.57% | 59,289 |
Institutional holders 24
View all →| Holder | Value | % of shares |
|---|---|---|
| $1.40M | 3.40% | |
| $633.3K | 1.54% | |
| $458.0K | 1.11% | |
| $184.0K | 0.45% | |
| $100.1K | 0.41% | |
| $98.5K | 0.31% | |
| $72.0K | 0.23% | |
| $55.3K | 0.17% | |
| $50.0K | 0.12% | |
| $48.5K | 0.12% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Jan 15, 2026 | Sestanovich Elizabeth Executive | Other | Class A Common Stock | $1.7K | -377 -0.63% | 59,500 0.57% of shares | low |
| Jan 15, 2026 | Weinrot Daniel J Executive | Other | Class A Common Stock | $1.7K | -377 -0.54% | 69,605 0.66% of shares | low |
| Jan 15, 2026 | Coppola Brian Executive | Other | Class A Common Stock | $1.6K | -371 -0.56% | 66,460 0.63% of shares | low |
| Jan 15, 2026 | Kidambi Tridivesh Executive | Other | Class A Common Stock | $1.5K | -345 -0.29% | 120,164 1.15% of shares | low |
| Jan 28, 2026 | Kidambi Tridivesh Executive | Other | Class A Common Stock | $1.1K | -258 -0.21% | 119,906 1.14% of shares | low |
| Jan 28, 2026 | Coppola Brian Executive | Other | Class A Common Stock | $966 | -231 -0.35% | 66,229 0.63% of shares | low |
| Jan 28, 2026 | Sestanovich Elizabeth Executive | Other | Class A Common Stock | $882 | -211 -0.35% | 59,289 0.57% of shares | low |
| Jan 28, 2026 | Weinrot Daniel J Executive | Other | Class A Common Stock | $882 | -211 -0.30% | 69,394 0.66% of shares | low |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| SST | Common Stock | 87200P208 |