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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 12.88%Institutions 36.63%53 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Jun 9, 2026FRIEDMAN PAUL ADirectorA38,000$0.0000$0.00
Jun 9, 2026Sandor VictorDirectorA38,000$0.0000$0.00
Jun 9, 2026Bonita David PDirector, 10% OwnerA38,000$0.0000$0.00
Jun 9, 2026Babler MartinDirectorA38,000$0.0000$0.00
Jun 9, 2026Dorton KatinaDirectorA38,000$0.0000$0.00
Jun 9, 2026BAKER BROS. ADVISORS LPDirector, 10% OwnerA38,000$0.0000$0.00
Jun 9, 2026BAKER BROS. ADVISORS LPDirector, 10% OwnerA38,000$0.0000$0.00
May 1, 2026Morris Charles QChief Medical OfficerA450,000$4.7000$2.12M
Apr 27, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerJ1,407,000––
Apr 27, 2026RA CAPITAL MANAGEMENT, L.P.10% OwnerJ1,407,000––
Apr 21, 2026BAKER BROS. ADVISORS LPDirector, 10% OwnerP2,137,651$4.4399$9.49M
Apr 21, 2026BAKER BROS. ADVISORS LPDirector, 10% OwnerP114,601$4.4399$508.82K
Apr 21, 2026ORBIMED ADVISORS LLCDirector, 10% OwnerP1,126,126$4.4400$5.00M
Apr 21, 2026ORBIMED ADVISORS LLCDirector, 10% OwnerP1,689,189$4.4400$7.50M
Apr 21, 2026Bonita David PDirector, 10% OwnerP1,126,126$4.4400$5.00M
Apr 21, 2026Bonita David PDirector, 10% OwnerP1,689,189$4.4400$7.50M
Feb 4, 2026Vaddi KrishnaCEOA837,000$0.0000$0.00
Feb 4, 2026Lim Bryant DavidCLO, CFO, Corp Sec.A275,000$0.0000$0.00
Feb 4, 2026Scherle PeggyChief Scientific OfficerA230,000$0.0000$0.00
Feb 4, 2026Combs AndrewChief Chemistry OfficerA230,000$0.0000$0.00
Nov 5, 2025Sandor VictorDirectorA121,285$0.0000$0.00
Oct 17, 2025Dorton KatinaDirectorA76,000$0.0000$0.00
Oct 4, 2025Huang JanePresident, CMOM9,375$0.0000$0.00
Oct 4, 2025Huang JanePresident, CMOF3,355$1.4700$4.93K
Oct 4, 2025Huang JanePresident, CMOM9,375––
Jul 4, 2025Huang JanePresident, CMOM9,375$0.0000$0.00
Jul 4, 2025Huang JanePresident, CMOF3,355$0.7939$2.66K
Jul 4, 2025Huang JanePresident, CMOM9,375––
Jun 12, 2025Babler MartinDirectorA38,000$0.0000$0.00
Jun 12, 2025Bonita David PDirector, 10% OwnerA38,000$0.0000$0.00
Jun 12, 2025FRIEDMAN PAUL ADirectorA38,000$0.0000$0.00
Jun 12, 2025Dier MardiDirectorA38,000$0.0000$0.00
Jun 12, 2025Sandor VictorDirectorA38,000$0.0000$0.00
Jun 12, 2025BAKER BROS. ADVISORS LPDirector, 10% OwnerA76,000$0.0000$0.00
Jun 12, 2025BAKER BROS. ADVISORS LPDirector, 10% OwnerA76,000$0.0000$0.00
Apr 4, 2025Huang JanePresident, CMOM9,375$0.0000$0.00
Apr 4, 2025Huang JanePresident, CMOF3,355$0.6750$2.26K
Apr 4, 2025Huang JanePresident, CMOM9,375––
Mar 25, 2025Vaddi KrishnaCEOP675,000$0.6925$467.44K
Mar 25, 2025Combs AndrewChief Chemistry OfficerP100,000$0.6925$69.25K
Mar 21, 2025Vaddi KrishnaCEOP15,000$0.7306$10.96K
Mar 20, 2025Vaddi KrishnaCEOP5,416$0.7294$3.95K
Mar 17, 2025Vaddi KrishnaCEOP9,106$0.7499$6.83K
Mar 14, 2025Vaddi KrishnaCEOP29,999$0.7544$22.63K
Mar 13, 2025Vaddi KrishnaCEOP50,000$0.7164$35.82K
Mar 12, 2025Vaddi KrishnaCEOP47,500$0.7104$33.74K
Feb 4, 2025Vaddi KrishnaCEOA496,000$0.0000$0.00
Feb 4, 2025Huang JanePresident, CMOA200,000$0.0000$0.00
Feb 4, 2025Combs AndrewChief Chemistry OfficerA175,000$0.0000$0.00
Feb 4, 2025Scherle PeggyChief Scientific OfficerA175,000$0.0000$0.00