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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 110.42%Institutions 0.35%11 filers

Top Institutions

Form 4 Transactions

50 most recent
DateInsiderTitleCodeSharesPriceValue
Mar 4, 2026Francois EricDirectorA1,823,278$0.0000$0.00
Jan 7, 2026Byrnes MichaelDirectorA690,900$0.0000$0.00
Jan 7, 2026KUCHARCHUK ANDREW ALBERTChief Financial OfficerA1,162,099$0.0000$0.00
Jan 7, 2026ATWOOD BRIAN GDirectorA1,612,099$0.0000$0.00
Jan 7, 2026Ehrlich Christopher BChairman and CEOA4,530,997$0.0000$0.00
Jan 7, 2026Patel ShamiDirectorA690,900$0.0000$0.00
Jan 7, 2026Pierce KristenChief Development OfficerA1,612,099$0.0000$0.00
Jan 7, 2026LAPORTE KATHLEENDirectorA690,900$0.0000$0.00
Jan 7, 2026Rolfe LindseyDirectorA690,900$0.0000$0.00
May 30, 2025KUCHARCHUK ANDREW ALBERTChief Financial OfficerA152,500$0.0000$0.00
May 30, 2025Pierce KristenChief Development OfficerA154,841$0.0000$0.00
May 30, 2025ATWOOD BRIAN GDirectorA122,549$0.0000$0.00
May 30, 2025Ehrlich Christopher BChairman and CEOA61,843$0.0000$0.00
May 30, 2025Patel ShamiDirectorA11,693$0.0000$0.00
May 30, 2025Rolfe LindseyDirectorA9,326$0.0000$0.00
May 30, 2025Byrnes MichaelDirectorA9,326$0.0000$0.00
May 30, 2025LAPORTE KATHLEENDirectorA9,326$0.0000$0.00
Mar 31, 2025ATWOOD BRIAN GDirectorM294,460$0.0001$29.00
Mar 31, 2025ATWOOD BRIAN GDirectorM294,460$0.0001$29.00
Mar 4, 2025Ehrlich Christopher BChairman and CEOA119,486$0.0000$0.00
Mar 4, 2025ATWOOD BRIAN GDirectorA14,936$0.0000$0.00
Mar 4, 2025Patel ShamiDirectorA14,936$0.0000$0.00
Mar 4, 2025Byrnes MichaelDirectorA17,923$0.0000$0.00
Mar 4, 2025Rolfe LindseyDirectorA17,923$0.0000$0.00
Mar 4, 2025LAPORTE KATHLEENDirectorA17,923$0.0000$0.00
Feb 24, 2025ATWOOD BRIAN GDirectorA254,000$0.0000$0.00
Feb 24, 2025Byrnes MichaelDirectorA127,500$0.0000$0.00
Feb 24, 2025Ehrlich Christopher BChairman and CEOA1,275,000$0.0000$0.00
Feb 24, 2025LAPORTE KATHLEENDirectorA127,500$0.0000$0.00
Feb 24, 2025Patel ShamiDirectorA127,500$0.0000$0.00
Feb 24, 2025Rolfe LindseyDirectorA127,500$0.0000$0.00
Feb 7, 2025ATWOOD BRIAN GDirectorA204,080$1.9599$399.98K
Feb 7, 2025ATWOOD BRIAN GDirectorA306,120$1.9599$599.96K
Feb 7, 2025ATWOOD BRIAN GDirectorA204,080$0.0001$20.00
Feb 7, 2025ATWOOD BRIAN GDirectorA306,120$0.0001$30.00
Dec 13, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS2,998,908$0.0600$179.93K
Dec 12, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS1,614,541$0.0700$113.02K
Dec 11, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS1,343,801$0.0800$107.50K
Dec 10, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS1,570,947$0.0900$141.38K
Dec 9, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS850,543$0.1100$93.56K
Dec 6, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS1,236,874$0.1200$148.42K
Dec 2, 2024Patel ShamiDirectorA127,500$0.0000$0.00
Dec 2, 2024Byrnes MichaelDirectorA127,500$0.0000$0.00
Dec 2, 2024ATWOOD BRIAN GDirectorA254,000$0.0000$0.00
Dec 2, 2024Rolfe LindseyDirectorA127,500$0.0000$0.00
Dec 2, 2024LAPORTE KATHLEENDirectorA127,500$0.0000$0.00
Dec 2, 2024Ehrlich Christopher BChairman and CEOA1,275,000$0.0000$0.00
Oct 10, 2024YK Bioventures Opportunities GP I, LLC10% OwnerS3,250,000$0.1000$325.00K
Oct 1, 2024Pierce KristenChief Development OfficerA200,000$0.0000$0.00
Oct 1, 2024KUCHARCHUK ANDREW ALBERTChief Financial OfficerA500,000$0.0000$0.00