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CIK 0001805833 · Non-accelerated filer<br>Smaller reporting company

System1, Inc.

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Tickers
SST SSTPW
Exchange
NYSE, OTC
Industry
Services-Computer Programming, Data Processing, Etc.
FY end
Dec 31
Entity type
operating
EIN
923978051
Phone
310-924-6037
Business address
4235 REDWOOD AVENUE, MARINA DEL REY, CA, 90066
Former names
Trebia Acquisition Corp.

Securities

  • SST System1, Inc. Class A Common Stock NYSE
  • SSTPW Common stock OTC
Open-market buys, last 90 days
$0
in 0 filings
Open-market sales, last 90 days
$0
in 0 filings

Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.

Reading 100 more Form 4s from the SEC; this list fills in as they're read.

Date Insider Transaction Shares Price Value Owned after
2025-10-28 Coppola Brian Chief Ad Operations Officer Shares withheld for taxes −235 $6.18 $1K 66,831
2025-10-28 Weinrot Daniel J General Counsel & Secretary Shares withheld for taxes −214 $6.18 $1K 69,982
2025-10-15 Coppola Brian Chief Ad Operations Officer Shares withheld for taxes −377 $7.94 $3K 67,066
2025-10-15 Kidambi Tridivesh Chief Financial Officer Shares withheld for taxes −352 $7.94 $3K 120,772
2025-10-15 Sestanovich Elizabeth Chief People Officer Shares withheld for taxes −282 $7.94 $2K 60,035
2025-10-15 Weinrot Daniel J General Counsel & Secretary Shares withheld for taxes −382 $7.94 $3K 70,196
2025-08-22 CEE Holdings Trust 10% owner Purchase +11,015 $7.32 $81K 919,555
2025-08-21 CEE Holdings Trust 10% owner Purchase +12,584 $6.90 $87K 908,540
2025-08-20 CEE Holdings Trust 10% owner Purchase +12,584 $6.25 $79K 895,956
2025-08-19 CEE Holdings Trust 10% owner Purchase +6,567 $6.32 $42K 883,372
2025-07-31 MARTIRE FRANK R Director Grant or award +15,000 41,575
2025-07-31 Caswell Ryan R. Director Grant or award +15,000 38,577
2025-07-31 Civantos John Director Grant or award +15,000 70,613
2025-07-31 Horn Caroline Director Grant or award +15,000 37,418
2025-07-31 Kazerani Moujan Director Grant or award +15,000 40,292
2025-07-31 Kumar Tanmay Director Grant or award +15,000 35,196
2025-07-31 Naidu Taryn Jogi Director Grant or award +15,000 38,562
2025-07-29 Ursini Charles President & COO Grant or award +337,500 367,500
2025-07-29 Sestanovich Elizabeth Chief People Officer Grant or award +40,000 60,317
2025-07-29 Coppola Brian Chief Ad Operations Officer Grant or award +40,000 67,443

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