Stockfacts
Use CasesDocsPricing
Log inSign up free
OverviewFinancialsTrendsTranscriptsOptionsInstitutionsInsidersCorporate ActionsSEC Filings
Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

Use CasesDashboard

Insider Trades & Whales

Insider trades are parsed from SEC Form 4 filings (first-party). The ownership breakdown below is computed first-hand from SEC 13F-HR + Form 4 (institutions from 13F, insiders from Form 4). For the full filer list and quarter-over-quarter position changes, see the Institutional (13F) tab.

Ownership Breakdown

Insiders 10.68%Institutions 2.81%11 filers

Top Institutions

Form 4 Transactions

15 most recent
DateInsiderTitleCodeSharesPriceValue
Oct 8, 2025Yu John SCEO and ChairmanA190,840$0.0000$0.00
Oct 8, 2025Samuelson DougChief Financial OfficerA152,672$0.0000$0.00
Oct 8, 2025Singhvi RahulDirectorA19,084$0.0000$0.00
Oct 8, 2025Keyoung Hansoo MichaelDirectorA19,084$0.0000$0.00
Oct 8, 2025Murali RamachandranVP of Research and DevelopmentA152,672$0.0000$0.00
Oct 8, 2025Bae Hyun W.DirectorA19,084$0.0000$0.00
Oct 8, 2025Bhowmick NeilChief Scientific OfficerA171,756$0.0000$0.00
Sep 16, 2025Keyoung Hansoo MichaelDirectorA10,000$0.0000$0.00
Sep 16, 2025Bae Hyun W.DirectorA10,000$0.0000$0.00
Jan 1, 2025Yu John SCEO and ChairmanA14,000$0.0000$0.00
Jan 1, 2025Murali RamachandranVP of Research and DevelopmentA14,000$0.0000$0.00
Jan 1, 2025Bhowmick NeilChief Scientific OfficerA14,000$0.0000$0.00
Nov 25, 2024Murali RamachandranVP of Research and DevelopmentP200$1.5900$318.00
Nov 22, 2024Samuelson DougChief Financial OfficerP2,500$1.5000$3.75K
Nov 20, 2024Yu John SCEO and ChairmanP4,000$1.4400$5.76K