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Track SEC Form 4 insider trades. See what corporate insiders are buying and selling.

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Data

  • SEC EDGAR Form 4 ↗
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© 2026 InsiderTradingScreener.com. Data from SEC EDGAR Form 4 filings.For informational purposes only. Not financial advice.

Latest insider trades

49 Form 4 trades in our database.

P = PurchaseS = SaleM = Option exerciseA = Award/GrantF = Tax withholdingG = Gift

  • Fairmount Funds Management LLCbought525,897 shares ofCBIOat $14.499$7.6MJul 20Details
  • Fairmount Funds Management LLCbought853,450 shares ofCBIOat $14.5$12.4MJul 20Details
  • Lynch Ryansold465 shares ofCBIOat $17.99$8KJun 23Details
  • Pinkas Jansold1,288 shares ofCBIOat $17.99$23KJun 23Details
  • Scalzo Richard Williamsold1,112 shares ofCBIOat $17.99$20KJun 23Details
  • Bispham Barbara Harlinsold1,218 shares ofCBIOat $17.99$22KJun 23Details
  • Im Ellie Eunkyungsold1,219 shares ofCBIOat $17.99$22KJun 23Details
  • McNeill Jonathansold20,549 shares ofCBIOat $17.99$370KJun 23Details
  • Brumm Joshua Tsold42,305 shares ofCBIOat $17.99$761KJun 23Details
  • Violin Jonathangranted11,050 shares ofCBIOat $0Jun 3Details
  • Fairmount Funds Management LLCgranted11,050 shares ofCBIOat $0Jun 3Details
  • Moran Susangranted11,050 shares ofCBIOat $0Jun 3Details
  • Balcom Alexandragranted11,050 shares ofCBIOat $0Jun 3Details
  • Lubner David Charlesgranted11,050 shares ofCBIOat $0Jun 3Details
  • Doughty Christopher Grantgranted58,855 shares ofCBIOat $0Dec 17Details
  • Pinkas Jangranted70,025 shares ofCBIOat $0Dec 17Details
  • Pinkas Jangranted5,000 shares ofCBIODec 17Details
  • Pinkas Jangranted17,507 shares ofCBIODec 17Details
  • Doughty Christopher Grantgranted8,000 shares ofCBIODec 17Details
  • Doughty Christopher Grantgranted14,714 shares ofCBIODec 17Details
  • Brumm Joshua Tgranted180,467 shares ofCBIOat $0Dec 17Details
  • Brumm Joshua Tgranted45,117 shares ofCBIODec 17Details
  • Bispham Barbara Harlingranted12,422 shares ofCBIODec 17Details
  • Bispham Barbara Harlingranted6,000 shares ofCBIODec 17Details
  • Bispham Barbara Harlingranted72,185 shares ofCBIOat $0Dec 17Details
  • Lynch Ryangranted8,378 shares ofCBIODec 17Details
  • Lynch Ryangranted4,000 shares ofCBIODec 17Details
  • Lynch Ryangranted33,512 shares ofCBIOat $0Dec 17Details
  • Im Ellie Eunkyunggranted16,298 shares ofCBIODec 17Details
  • Im Ellie Eunkyunggranted5,000 shares ofCBIODec 17Details
  • Im Ellie Eunkyunggranted65,190 shares ofCBIOat $0Dec 17Details
  • McNeill Jonathangranted19,507 shares ofCBIODec 17Details
  • McNeill Jonathangranted6,000 shares ofCBIODec 17Details
  • McNeill Jonathangranted78,029 shares ofCBIOat $0Dec 17Details
  • Scalzo Richard Williamgranted14,422 shares ofCBIODec 17Details
  • Scalzo Richard Williamgranted5,000 shares ofCBIODec 17Details
  • Scalzo Richard Williamgranted57,688 shares ofCBIOat $0Dec 17Details
  • Brumm Joshua Tgranted10,000 shares ofCBIODec 17Details
  • McNeill Jonathangranted172,836 shares ofCBIOat $0Dec 10Details
  • Brumm Joshua Tgranted345,672 shares ofCBIOat $0Dec 10Details
  • Fairmount Funds Management LLCbought1,360,000 shares ofCBIOat $13.41$18.2MDec 8Details
  • Fairmount Funds Management LLCbought131,434 shares ofCBIOat $13.409$1.8MDec 8Details
  • Pinkas Jangranted142,474 shares ofCBIOat $0Jul 16Details
  • BVF PARTNERS L P/ILtraded257,515 shares ofCBIOJun 17Details
  • BVF PARTNERS L P/ILtraded25,944 shares ofCBIOJun 17Details
  • BVF PARTNERS L P/ILtraded304,098 shares ofCBIOJun 17Details
  • BVF PARTNERS L P/ILtraded56,079 shares ofCBIOJun 17Details
  • BVF PARTNERS L P/ILtraded556,617 shares ofCBIOJun 17Details
  • BVF PARTNERS L P/ILtraded657,308 shares ofCBIOJun 17Details