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Stockfacts

EOD US-equity data for investors and AI agents

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

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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 3.79%Institutions 25.31%100 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
May 28, 2026Burroughs Amy L.DirectorA120,000$0.0000$0.00
May 28, 2026Lee JuneDirectorA120,000$0.0000$0.00
May 28, 2026Parschauer Karah HerdmanDirectorA120,000$0.0000$0.00
May 28, 2026Srivastava DeepakDirectorA120,000$0.0000$0.00
May 28, 2026Stehman-Breen CatherineDirectorA120,000$0.0000$0.00
May 28, 2026Walsh Jeffrey T.DirectorA120,000$0.0000$0.00
May 28, 2026Williams R SandersDirectorA120,000$0.0000$0.00
May 18, 2026Higa TomohiroSVP, FinanceS1,485$0.7932$1.18K
May 18, 2026Tingley WhittemoreChief Medical OfficerS3,121$0.7936$2.48K
May 18, 2026Ali FarazChief Executive OfficerS3,390$0.7934$2.69K
Feb 25, 2026COLUMN GROUP III GP, LP10% OwnerS1,862,545$0.5624$1.05M
Feb 25, 2026COLUMN GROUP III GP, LP10% OwnerS1,649,281$0.5624$927.55K
Feb 24, 2026COLUMN GROUP III GP, LP10% OwnerS349,212$0.6153$214.87K
Feb 24, 2026COLUMN GROUP III GP, LP10% OwnerS309,228$0.6153$190.27K
Feb 23, 2026COLUMN GROUP III GP, LP10% OwnerS162,291$0.5972$96.92K
Feb 23, 2026COLUMN GROUP III GP, LP10% OwnerS143,709$0.5972$85.82K
Feb 20, 2026COLUMN GROUP III GP, LP10% OwnerS277,769$0.6149$170.80K
Feb 20, 2026COLUMN GROUP III GP, LP10% OwnerS245,965$0.6149$151.24K
Feb 17, 2026Tingley WhittemoreChief Medical OfficerS1,876$0.6431$1.21K
Feb 17, 2026Tingley WhittemoreChief Medical OfficerS1,642$0.6432$1.06K
Feb 17, 2026Tingley WhittemoreChief Medical OfficerS1,642$0.6432$1.06K
Feb 17, 2026Ali FarazChief Executive OfficerS5,032$0.6430$3.23K
Feb 17, 2026Ali FarazChief Executive OfficerS3,979$0.6431$2.56K
Feb 17, 2026Ali FarazChief Executive OfficerS5,851$0.6430$3.76K
Feb 17, 2026Higa TomohiroSVP, FinanceS2,022$0.6431$1.30K
Feb 17, 2026Higa TomohiroSVP, FinanceS836$0.6434$537.00
Feb 17, 2026Higa TomohiroSVP, FinanceS611$0.6434$393.00
Feb 11, 2026COLUMN GROUP III GP, LP10% OwnerS2,151,458$0.6808$1.46M
Feb 11, 2026COLUMN GROUP III GP, LP10% OwnerS1,905,115$0.6808$1.30M
Feb 10, 2026COLUMN GROUP III GP, LP10% OwnerS182,295$0.8161$148.77K
Feb 10, 2026COLUMN GROUP III GP, LP10% OwnerS161,422$0.8161$131.74K
Feb 3, 2026Tingley WhittemoreChief Medical OfficerA318,500$0.0000$0.00
Feb 3, 2026Tingley WhittemoreChief Medical OfficerA48,750$0.0000$0.00
Feb 3, 2026Ali FarazChief Executive OfficerA952,250$0.0000$0.00
Feb 3, 2026Ali FarazChief Executive OfficerA158,600$0.0000$0.00
Feb 3, 2026Higa TomohiroSVP, FinanceA175,500$0.0000$0.00
Feb 3, 2026Higa TomohiroSVP, FinanceA29,250$0.0000$0.00
Nov 17, 2025Ali FarazChief Executive OfficerS3,126$1.3300$4.16K
Nov 17, 2025Higa TomohiroSVP, FinanceS1,367$1.3300$1.82K
Nov 17, 2025Tingley WhittemoreChief Medical OfficerS2,877$1.3300$3.83K
Aug 18, 2025Ali FarazChief Executive OfficerS4,920$1.2530$6.16K
Aug 18, 2025Ali FarazChief Executive OfficerS3,893$1.2530$4.88K
Aug 18, 2025Ali FarazChief Executive OfficerS5,720$1.2530$7.17K
Aug 18, 2025Higa TomohiroSVP, FinanceS1,722$1.2530$2.16K
Aug 18, 2025Higa TomohiroSVP, FinanceS717$1.2530$898.00
Aug 18, 2025Higa TomohiroSVP, FinanceS523$1.2530$655.00
Aug 18, 2025Tingley WhittemoreChief Medical OfficerS1,837$1.2530$2.30K
Aug 18, 2025Tingley WhittemoreChief Medical OfficerS1,608$1.2530$2.01K
Aug 18, 2025Tingley WhittemoreChief Medical OfficerS1,608$1.2530$2.01K
May 29, 2025Parschauer Karah HerdmanDirectorA107,400$0.0000$0.00