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ISSUER PROFILE · CIK 0001805833 · CUSIP 87200P109

System1, Inc.SSTPW

5 13D/G filings 3 distinct filers 0 insider transactions (365d)

Post-Filing Returns · across 1 activist filings on this issuer

Median 30d
avg —
Median 60d
avg —
Median 90d
avg —
Median 180d
avg —

Returns measured from each activist filing's date_of_event, split + dividend adjusted via Yahoo Finance.

Cross-Reference Snapshot

Activist filings
5
1 SCHEDULE · 4 SC
Distinct filers
3
multi-activist cluster
Insiders (365d)
0
0 buys · 0 sales
Latest short DTC
1.00
as of 2026-03-31

13D/G Filings Timeline · 5 total

FiledFormFilerStakeSharesIntent
2025-03-25 SCHEDULE Cannae Holdings, Inc. 36.30% 27,012,794 view →
2023-03-14 SC Trasimene Trebia, LP view →
2023-03-14 SC Cannae Holdings, Inc. view →
2022-09-27 SC Phillips Christopher Stephen view →
2022-08-17 SC Phillips Christopher Stephen view →

FINRA Short Interest History

SettlementShort InterestDays to Cover% Δ vs prior
2026-03-31 271 1.00 0.0%
2026-03-13 271 135.50 0.0%
2026-02-27 271 1.00 0.0%
2026-02-13 271 1.00 0.0%
2026-01-30 271 1.00 0.0%
2026-01-15 271 1.00 0.0%
2025-12-31 271 1.00 0.0%
2025-12-15 271 1.00 0.0%

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