SST · NYSE · Software - Application

System1 (SST)

Connects advertising partners with high-intent customers while operating consumer utilities.

$3.50
After hours+0.11 (+3.24%)
At close$3.39(−12.63%)

13F · 13D/G · Form 4

Institutions5.70%597.9K shares
22 holders · as of Jun 30, 2026
Insiders13.34%1.40M shares
12 holders · as of Jul 17, 2026
Strategic holders12.02%1.26M shares
1 holder · as of Aug 26, 2025
Other68.94%7.23M shares
remainder

10.49M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This company has 2 share classes; every stake here is a share of the whole company.

13F · 13D/G · Form 4

HolderStakeSharesDate
CEE Holdings TrustStrategic10 percent owner
12.02%919,555 A · 341,535 Cfiled Aug 26, 2025
Charles UrsiniInsiderdirector, officer: President & COO
3.78%367,500 A · 29,477 Cfiled Jul 31, 2025
Stanley BlendInsider10 percent owner
3.10%250,000 A · 75,138 Cfiled Dec 27, 2024
Tridivesh KidambiInsiderofficer: Chief Financial Officer
2.09%175,793 A · 43,609 Cfiled Jul 17, 2026
Bank of America Corp /DE/Institution
1.54%161,513 Aas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
1.22%127,576 Aas of Jun 30, 2026
Cerity Partners LLCInstitution
1.11%116,844 Aas of Jun 30, 2026
Brian CoppolaInsiderofficer: Chief Ad Operations Officer
0.79%59,774 A · 22,597 Cfiled Jul 17, 2026
Crescent Grove Advisors, LLCInstitution
0.72%75,545 Aas of Jun 30, 2026
Elizabeth SestanovichInsiderofficer: Chief People Officer
0.69%51,890 A · 20,860 Cfiled Jul 17, 2026
John CivantosInsiderdirector
0.67%70,613 Afiled Aug 4, 2025
BlackRock, Inc.Institution
0.41%43,353 Aas of Jun 30, 2026
Frank R. MartireInsiderdirector
0.40%41,575 Afiled Aug 5, 2025
Moujan KazeraniInsiderdirector
0.38%40,292 Afiled Aug 4, 2025
Ryan R. CaswellInsiderdirector
0.37%38,577 Afiled Aug 5, 2025
Taryn Jogi NaiduInsiderdirector
0.37%38,562 Afiled Aug 4, 2025
Caroline HornInsiderdirector
0.36%37,418 Afiled Aug 4, 2025
Tanmay KumarInsiderdirector
0.34%35,196 Afiled Aug 4, 2025
Morgan StanleyInstitution
0.13%13,134 Aas of Jun 30, 2026
Geode Capital Management, LLCInstitution
0.12%12,519 Aas of Jun 30, 2026
Leonteq Securities AGInstitution
0.12%12,500 Aas of Jun 30, 2026
Price T Rowe Associates Inc /MD/Institution
0.11%11,731 Aas of Jun 30, 2026
State Street CorpInstitution
0.11%11,502 Aas of Jun 30, 2026
Vanguard Fiduciary Trust CoInstitution
0.09%9,141 Aas of Jun 30, 2026
Royal Bank of CanadaInstitution
0.01%1,314 Aas of Jun 30, 2026

13F, as of Jun 30, 2026

22 holders · 597.9K shares · 9 new positions · 11 increased · 5 reduced · 11 closed

HolderShares% of companyChg q/qFiled
Bank of America Corp /DE/161.5K1.54%−6Aug 14, 2026
Vanguard Capital Management LLC127.6K1.22%+90.4KAug 13, 2026
Cerity Partners LLC116.8K1.11%0Aug 14, 2026
Crescent Grove Advisors, LLC75.5K0.72%+75.5KnewAug 10, 2026
BlackRock, Inc.43.4K0.41%+19.1KAug 7, 2026
Morgan Stanley13.1K0.13%+13.1KAug 13, 2026
Geode Capital Management, LLC12.5K0.12%−11.3KAug 12, 2026
Leonteq Securities AG12.5K0.12%+12.5KnewJul 27, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
The Blend Family Foundation7.00%13DMay 5, 2025

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Apr 15, 2026
Tridivesh Kidambiofficer: Chief Financial Officer
Purchase26,910$3.00146,816

House and Senate disclosures

Not reported.