System1, Inc. (SST)
NYSE: SST · Services-Computer Programming, Data Processing, Etc. · Marina Del Rey, CA · filing with the SEC since 2020
Who owns System1, Inc.
As filed with the SECHolders of 5% or more
1
The Blend Family Foundation holds 7% of Class A Common Stock, $0.0001 par value, as its SCHEDULE 13D filed May 5, 2025 says.
Directors and officers
12
report now, of 28 people on the record since 2020. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 1 named at left.
Holders of 5% or moreshare of the class, as filed
The Blend Family Foundation
SCHEDULE 13D · filed May 5, 2025 · Class A Common Stock, $0.0001 par value
William P. Foley, II
SCHEDULE 13G/A · filed Dec 2, 2025 · Class A Common Stock, par value $0.0001 per share · reported falling below 5%
Cannae Holdings, Inc.
SCHEDULE 13D/A · filed Dec 2, 2025 · Class A common stock, par value $0.0001 per share · reported falling below 5%, from 33.2% in Nov 12, 2025
What SST reports owning in othersstakes of 5% or more, and other ties
19 subsidiaries in 3 countries, from the list filed with the 10-K filed Mar 11, 2026.
Insider tradesForm 4
0sales
1purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$100,000bought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window1 of 35 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Kidambi Tridivesh | Chief Financial Officer | 0 | $0 | 0 | 1 | $100,000 |