System1, Inc.
SSTPW- Exchange
- OTC
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001805833
No open-market purchases or sales by System1, Inc. insiders were filed in the last 90 days; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Other share classesSST
Holders of 5% or more of SSTPW
Holders whose latest Schedule 13D or 13G filing reports 5% or more of System1, Inc., largest stake first. The change is against the holder's previous filing.
No holder currently reports owning 5% or more of System1, Inc. on Schedule 13D or 13G.
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
Schedule 13D and 13G filings on System1, Inc., newest first.
No Schedule 13D or 13G filings on System1, Inc. are on file.
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell System1, Inc. shares.
No Form 144 notices for System1, Inc. are on file.