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Inhibrx Biosciences, Inc.

INBX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0002007919

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateInsiderTransactionSharesAvg priceValueShares afterHolding changeFiling
Sep 23, 20264:59 PM ETSep 23, 2026Kayyem Jon FaizDirectorPPurchaseCommon Stock+5.00K$100.00+$500.0K434.4K+1.2%SEC
Sep 17, 20265:46 PM ETSep 16, 2026Kayyem Jon FaizDirectorPPurchaseCommon Stock+5.00K$100.00+$500.0K429.4K+1.2%SEC
Sep 15, 20265:52 PM ETSep 11 – Sep 15, 2026MANHARD KIMBERLYDirectorSSaleCommon Stock−1.50K$109.0283−$163.5K7.50K−16.7%SEC
Sep 10, 20267:06 PM ETSep 8 – Sep 9, 2026MANHARD KIMBERLYDirectorSSaleCommon Stock−1.00K$115.4675−$115.5K9.00K−10.0%SEC
Sep 8, 20265:23 PM ETSep 8, 2026Kayyem Jon FaizDirectorPPurchaseCommon Stock+5.00K$113.516+$567.6K424.4K+1.2%SEC
Sep 8, 20264:26 PM ETSep 8, 2026FORSYTH DOUGLASDirectorPPurchaseCommon Stock+2.50K$114.6469+$286.6K227.1K+1.1%SEC
Sep 8, 20264:04 PM ETSep 8, 2026Lappe MarkChief Executive OfficerPPurchaseCommon Stock+25.0K$105.816+$2.65M730.5K+3.5%SEC
Oct 9, 20254:41 PM ETOct 7, 2025VIKING GLOBAL INVESTORS LP and 7 others10% OwnerSSaleCommon Stock−350.0K$32.25−$11.3M102.9K−77.3%SEC
Nov 22, 2024Nov 19 – Nov 20, 2024Kayyem Jon FaizDirectorPPurchaseCommon Stock+107.2K$14.216+$1.52M69.8KNew positionSEC
Oct 7, 2024Oct 3, 2024Vuori Kristiina MDDirectorPPurchaseCommon Stock+6.67K$15.00+$100.0K20.4K+48.4%SEC
Sep 16, 2024Sep 12 – Sep 16, 2024Lappe MarkChief Executive OfficerPPurchaseCommon Stock+40.0K$15.7279+$629.1K705.5K+6.0%SEC
Sep 12, 2024Sep 10 – Sep 11, 2024Vuori Kristiina MDDirectorPPurchaseCommon Stock+6.64K$15.0681+$100.0K13.8K+92.9%SEC
Sep 10, 2024Sep 6 – Sep 10, 2024Lappe MarkChief Executive OfficerPPurchaseCommon Stock+44.0K$15.2534+$671.1K665.5K+7.1%SEC
Sep 3, 2024Aug 29 – Sep 3, 2024Lappe MarkChief Executive OfficerPPurchaseCommon Stock+40.0K$14.9191+$596.8K165.0K+32.0%SEC
Sep 3, 2024Aug 29, 2024Vuori Kristiina MDDirectorPPurchaseCommon Stock+7.14K$14.00+$100.0K7.14KNew positionSEC
Aug 30, 2024Aug 28, 2024MANHARD KIMBERLYDirectorPPurchaseCommon Stock+10.0K$13.98+$139.8K10.0KNew positionSEC
Aug 26, 2024Aug 22 – Aug 23, 2024FORSYTH DOUGLASDirectorPPurchaseCommon Stock+75.0K$13.831+$1.04M224.6K+50.1%SEC
Aug 22, 2024Aug 20 – Aug 21, 2024Lappe MarkChief Executive OfficerPPurchaseCommon Stock+40.0K$12.9571+$518.3K54.9K+269.1%SEC
Jun 7, 2024Jun 5, 2024Kayyem Jon FaizDirectorPPurchaseCommon Stock+57.5K$17.3248+$997.0K1.15M+5.3%SEC
Jun 4, 2024May 31 – Jun 4, 2024Kayyem Jon FaizDirectorPPurchaseCommon Stock+286.8K$17.1821+$4.93M1.09M+35.6%SEC