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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 17.71%Institutions 52.87%47 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jun 21, 2026Klickstein LloydDirectorA4,200$0.0000$0.00
Jun 21, 2026Peng KatieDirectorA4,200$0.0000$0.00
Jun 21, 2026Sinclair AndrewDirectorA4,200$0.0000$0.00
Jun 21, 2026Grissinger MichaelDirectorA4,200$0.0000$0.00
Jun 21, 2026Chodakewitz JeffreyDirectorA4,200$0.0000$0.00
Jun 21, 2026DUBIN STEVEDirectorA4,200$0.0000$0.00
Jun 19, 2026Schor ChenPresident & CEOA55,000$0.0000$0.00
Jun 19, 2026Aftab BlakeChief Scientific OfficerA55,000$0.0000$0.00
Apr 27, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerJ250,000––
Apr 27, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerJ250,000––
Apr 8, 2026ORBIMED ADVISORS LLC10% OwnerS40,416$6.5200$263.51K
Apr 8, 2026ORBIMED ADVISORS LLC10% OwnerS32,523$6.2900$204.57K
Apr 7, 2026ORBIMED ADVISORS LLC10% OwnerS2,400$6.3800$15.31K
Apr 7, 2026ORBIMED ADVISORS LLC10% OwnerS29,319$6.5300$191.45K
Mar 25, 2026Aftab BlakeChief Scientific OfficerA72,555$0.0000$0.00
Mar 25, 2026Healey DonChief Technology OfficerA43,361$0.0000$0.00
Mar 25, 2026Maltzman Julia D.Chief Medical OfficerA72,555$0.0000$0.00
Mar 25, 2026Schor ChenPresident & CEOA468,555$0.0000$0.00
Mar 25, 2026Harvey Brian NicholasChief Financial OfficerA43,361$0.0000$0.00
Feb 20, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerP74,751$7.2700$543.44K
Feb 19, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerP74,268$7.2100$535.47K
Feb 18, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerP74,577$7.0400$525.02K
Jan 24, 2026Harvey Brian NicholasChief Financial OfficerF546$8.4400$4.61K
Jan 24, 2026Schor ChenPresident & CEOF1,755$8.4400$14.81K
Jan 24, 2026Healey DonChief Technology OfficerF535$8.4400$4.51K
Jan 24, 2026Aftab BlakeChief Scientific OfficerF535$8.4400$4.51K
Oct 8, 2025ORBIMED ADVISORS LLC10% OwnerP3,500,000$1.0000$3.50M
Oct 8, 2025ORBIMED ADVISORS LLC10% OwnerP1,500,000$1.0000$1.50M
Jun 11, 2025Sinclair AndrewDirectorA26,400$0.0000$0.00
Jun 11, 2025Sinclair AndrewDirectorA5,900$0.0000$0.00
Jun 11, 2025Peng KatieDirectorA26,400$0.0000$0.00
Jun 11, 2025Peng KatieDirectorA5,900$0.0000$0.00
Jun 11, 2025DUBIN STEVEDirectorA26,400$0.0000$0.00
Jun 11, 2025DUBIN STEVEDirectorA5,900$0.0000$0.00
Jun 11, 2025Chodakewitz JeffreyDirectorA26,400$0.0000$0.00
Jun 11, 2025Chodakewitz JeffreyDirectorA5,900$0.0000$0.00
Jun 11, 2025Klickstein LloydDirectorA26,400$0.0000$0.00
Jun 11, 2025Klickstein LloydDirectorA5,900$0.0000$0.00
Apr 17, 2025Grissinger MichaelDirectorA70,200$0.0000$0.00
Jan 31, 2025Harvey Brian NicholasChief Financial OfficerA324,040$0.0000$0.00
Jan 31, 2025Maltzman Julia D.Chief Medical OfficerA750,000$0.0000$0.00
Jan 31, 2025Healey DonChief Technology OfficerA275,000$0.0000$0.00
Jan 31, 2025Schor ChenPresident & CEOA763,829$0.0000$0.00
Jan 31, 2025Aftab BlakeChief Scientific OfficerA275,000$0.0000$0.00
Jan 24, 2025Harvey Brian NicholasChief Financial OfficerF8,752$0.9218$8.07K
Jan 24, 2025Aftab BlakeChief Scientific OfficerF6,270$0.9218$5.78K
Jan 24, 2025Healey DonChief Technology OfficerF8,560$0.9218$7.89K
Jan 24, 2025Schor ChenPresident & CEOF28,101$0.9218$25.90K
Aug 21, 2024Jakobovits AyaDirectorA26,400$0.0000$0.00
Aug 21, 2024Jakobovits AyaDirectorD26,400$0.0000$0.00