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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 19.30%Institutions 37.77%35 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jul 8, 2026TANG KEVIN10% OwnerP14,338$2.4600$35.27K
Jul 7, 2026TANG KEVIN10% OwnerP15,810$2.4800$39.21K
Jul 6, 2026TANG KEVIN10% OwnerP27,062$2.4900$67.38K
Jul 2, 2026TANG KEVIN10% OwnerP9,821$2.4900$24.45K
Jul 1, 2026ARCH Venture Fund IX, L.P.10% OwnerM16,000$0.0000$0.00
Jul 1, 2026ARCH Venture Fund IX, L.P.10% OwnerS16,000$2.4900$39.84K
Jul 1, 2026ARCH Venture Fund IX, L.P.10% OwnerM16,000$1.0300$16.48K
Jul 1, 2026CRANDELL KEITH10% OwnerM16,000$0.0000$0.00
Jul 1, 2026CRANDELL KEITH10% OwnerS16,000$2.4900$39.84K
Jul 1, 2026CRANDELL KEITH10% OwnerM16,000$1.0300$16.48K
Jul 1, 2026TANG KEVIN10% OwnerP71,612$2.4900$178.31K
Jun 30, 2026TANG KEVIN10% OwnerP100$2.5000$250.00
Jun 30, 2026TANG KEVIN10% OwnerP25,930$2.5400$65.86K
Jun 29, 2026TANG KEVIN10% OwnerP777$2.4800$1.93K
Jun 29, 2026TANG KEVIN10% OwnerP63,985$2.4700$158.04K
Jun 26, 2026TANG KEVIN10% OwnerP134$2.5400$340.00
Jun 26, 2026TANG KEVIN10% OwnerP75,047$2.5500$191.37K
Jun 25, 2026TANG KEVIN10% OwnerP510$2.5600$1.30K
Jun 25, 2026TANG KEVIN10% OwnerP145,880$2.4800$361.78K
Jun 15, 2026Lew JenniferDirectorA32,000$0.0000$0.00
Jun 15, 2026Christensen JamesDirectorA32,000$0.0000$0.00
Jun 15, 2026Lim Jonathan EDirectorA48,000$0.0000$0.00
Jun 15, 2026Whiting NancyDirectorA32,000$0.0000$0.00
Jan 23, 2026HINKLE DAVID ASee RemarksA140,000$0.0000$0.00
Jan 23, 2026Oien JessicaSee RemarksA220,000$0.0000$0.00
Jan 23, 2026Hornby ZacharyPresident & CEOA600,000$0.0000$0.00
Jan 23, 2026Doebele RobertChief Medical OfficerA230,000$0.0000$0.00
Jan 23, 2026Hassig ChristianChief Scientific OfficerA230,000$0.0000$0.00
Jun 23, 2025Whiting NancyDirectorA16,000$0.0000$0.00
Jun 23, 2025Burow KristinaDirector, 10% OwnerA16,000$0.0000$0.00
Jun 23, 2025Lim Jonathan EDirectorA24,000$0.0000$0.00
Jun 23, 2025Lew JenniferDirectorA16,000$0.0000$0.00
Jun 23, 2025Christensen JamesDirectorA16,000$0.0000$0.00
Jun 23, 2025Brennan ChristineDirectorA16,000$0.0000$0.00
Feb 3, 2025Doebele RobertChief Medical OfficerA180,000$0.0000$0.00
Jan 22, 2025Oien JessicaSee RemarksA90,000$0.0000$0.00
Jan 22, 2025Hornby ZacharyPresident & CEOA295,000$0.0000$0.00
Jan 22, 2025Hassig ChristianChief Scientific OfficerA95,000$0.0000$0.00
Jan 22, 2025HINKLE DAVID ASee RemarksA65,000$0.0000$0.00
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerA41,745––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerA68,080––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerA94,871––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerA9,635––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerA102,564––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerD41,745––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerD68,080––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerD94,871––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerD9,635––
Aug 19, 2024Wagner Klaus W.Chief Medical OfficerD102,564––
Aug 19, 2024Rubin JamiChief Financial OfficerA32,468––