Industry Insider Activity

Biotechnology insider activity

Concentrated executive and director transaction evidence across 296 companies, with acquisition/disposal balance, filing cadence, value concentration, and linked company research.

Latest filing 24 Jul 2026 7043 filings tracked

Top-level read

Net insider selling

Biotechnology shows 3651 acquisition filings against 3392 disposal filings. The largest stored filing is $1.0B in NUVL by FLYNN, JAMES E.

Net value $-3.5Bacquisitions minus disposals
Companies 296with stored filings
Total filings 7043stored transaction rows
Acquisition value $418.6M3651 acquisitions
Disposal value $3.9B3392 disposals
Largest filing $1.0Breported transaction value

Filing cadence

Last 12 active months
Mar 2026 165
Apr 2026 888
May 2026 1788
Jun 2026 2996
Jul 2026 1206

Acquisitions 51.8% · Disposals 48.2%

Company Reads

Most active company insider tapes

24 shown

Transaction Evidence

Latest filings in Biotechnology

Showing 1-30 of 7043
Date 24 Jul 2026
Symbol IMVTImmunovant Inc
Insider PANDE, ATULDirector
Side Disposal
Shares 1500
Value 59700
Industry Biotechnology
Date 24 Jul 2026
Symbol IMVTImmunovant Inc
Insider PANDE, ATULDirector
Side Acquisition
Shares 1500
Value 12645
Industry Biotechnology
Date 24 Jul 2026
Symbol DYAIDyadic International Inc
Insider FRANCISCO, TRUST UNDER AGREEMENT DATED FEBRUARY 28, 199610% Owner
Side Disposal
Shares 2616
Value 3173
Industry Biotechnology
Date 24 Jul 2026
Symbol IMVTImmunovant Inc
Insider PANDE, ATULDirector
Side Disposal
Shares 1500
Value 0
Industry Biotechnology
Date 24 Jul 2026
Symbol NKTRNektar Therapeutics
Insider ROBIN, HOWARD WDirector, President & CEO
Side Acquisition
Shares 57200
Value 0
Industry Biotechnology
Date 24 Jul 2026
Symbol NKTRNektar Therapeutics
Insider ZALEVSKY, JONATHANChief R&D Officer
Side Acquisition
Shares 16500
Value 0
Industry Biotechnology
Date 23 Jul 2026
Symbol INSMInsmed Inc
Insider LEWIS, WILLIAMDirector, Chair and CEO
Side Disposal
Shares 5872
Value 624957
Industry Biotechnology
Date 23 Jul 2026
Symbol INSMInsmed Inc
Insider LEWIS, WILLIAMDirector, Chair and CEO
Side Disposal
Shares 4828
Value 509933
Industry Biotechnology
Date 23 Jul 2026
Symbol IMVTImmunovant Inc
Insider GIRAO, TIAGOChief Financial Officer
Side Disposal
Shares 6798
Value 263015
Industry Biotechnology
Date 23 Jul 2026
Symbol INSMInsmed Inc
Insider LEWIS, WILLIAMDirector, Chair and CEO
Side Acquisition
Shares 6260
Value 190680
Industry Biotechnology
Date 23 Jul 2026
Symbol IMVTImmunovant Inc
Insider STOUT, JAY SChief Technology Officer
Side Disposal
Shares 2857
Value 110537
Industry Biotechnology
Date 23 Jul 2026
Symbol INSMInsmed Inc
Insider LEWIS, WILLIAMDirector, Chair and CEO
Side Acquisition
Shares 4440
Value 76190
Industry Biotechnology
Date 23 Jul 2026
Symbol DYAIDyadic International Inc
Insider FRANCISCO, TRUST UNDER AGREEMENT DATED FEBRUARY 28, 199610% Owner
Side Disposal
Shares 54760
Value 71303
Industry Biotechnology
Date 23 Jul 2026
Symbol VYNEVyne Therapeutics Inc
Insider DOMZALSKI, DAVIDDirector, PRESIDENT AND CEO
Side Disposal
Shares 79391
Value 71261
Industry Biotechnology
Date 23 Jul 2026
Symbol VYNEVyne Therapeutics Inc
Insider HARSCH, MUTYACHIEF LEGAL OFFICER AND GC
Side Disposal
Shares 22516
Value 20210
Industry Biotechnology
Date 23 Jul 2026
Symbol VYNEVyne Therapeutics Inc
Insider ZERONDA, TYLERCHIEF FINANCIAL OFFICER
Side Disposal
Shares 22516
Value 20210
Industry Biotechnology
Date 23 Jul 2026
Symbol VYNEVyne Therapeutics Inc
Insider STUART, IAINCHIEF SCIENTIFIC OFFICER
Side Disposal
Shares 15405
Value 13828
Industry Biotechnology
Date 23 Jul 2026
Symbol INSMInsmed Inc
Insider LEWIS, WILLIAMDirector, Chair and CEO
Side Disposal
Shares 4440
Value 0
Industry Biotechnology
Date 23 Jul 2026
Symbol INSMInsmed Inc
Insider LEWIS, WILLIAMDirector, Chair and CEO
Side Disposal
Shares 6260
Value 0
Industry Biotechnology
Date 22 Jul 2026
Symbol ATRAAtara Biotherapeutics Inc
Insider REDMILE, GROUP, LLCDirector
Side Disposal
Shares 60
Value -
Industry Biotechnology
Date 22 Jul 2026
Symbol ATRAAtara Biotherapeutics Inc
Insider REDMILE, GROUP, LLCDirector
Side Acquisition
Shares 195211
Value -
Industry Biotechnology
Date 22 Jul 2026
Symbol SRZNSurrozen Inc
Insider TCG, CROSSOVER GP II, LLC10% Owner
Side Disposal
Shares 162500
Value 3453125
Industry Biotechnology
Date 22 Jul 2026
Symbol NTLAIntellia Therapeutics Inc
Insider DULAC, EDWARD J IIIEVP, Chief Financial Officer
Side Disposal
Shares 8111
Value 91249
Industry Biotechnology
Date 22 Jul 2026
Symbol DYAIDyadic International Inc
Insider FRANCISCO, TRUST UNDER AGREEMENT DATED FEBRUARY 28, 199610% Owner
Side Disposal
Shares 38016
Value 50481
Industry Biotechnology
Date 22 Jul 2026
Symbol MLTXMoonLake Immunotherapeutics
Insider REICH, KRISTIANChief Scientific Officer
Side Disposal
Shares 2448
Value 48960
Industry Biotechnology
Date 22 Jul 2026
Symbol ATRAAtara Biotherapeutics Inc
Insider REDMILE, GROUP, LLCDirector
Side Disposal
Shares 38735
Value 0
Industry Biotechnology
Date 22 Jul 2026
Symbol ATRAAtara Biotherapeutics Inc
Insider REDMILE, GROUP, LLCDirector
Side Disposal
Shares 55387
Value 0
Industry Biotechnology
Date 22 Jul 2026
Symbol ATRAAtara Biotherapeutics Inc
Insider REDMILE, GROUP, LLCDirector
Side Disposal
Shares 101089
Value 0
Industry Biotechnology
Date 22 Jul 2026
Symbol OMEROmeros Corporation
Insider BORGES, DAVID J.VP, Finance & CAO
Side Acquisition
Shares 105000
Value 0
Industry Biotechnology
Date 22 Jul 2026
Symbol OMEROmeros Corporation
Insider CANCELMO, PETER BVP, General Counsel
Side Acquisition
Shares 105000
Value 0
Industry Biotechnology