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Avantor, Inc. insider trading

AVTRNYSE
$15.34+0.31 (+2.06%)as of Oct 2, 2026

“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.” — Peter Lynch

Insider Trading vs Stock Price

Insider Trading vs Stock Price data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+11.4%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
DateCategoryPersonRoleActionAmountChange in holding
Open market purchase
Open market sell
Marker size reflects transaction size.

Net dollar flow · Buy / Sell balance

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Key players

  • MSMichael StubblefieldPresident & CEO0.2835%of company
  • ELEmmanuel LignerPresident and CEO0.109%of company
  • SKSanjeev K. MehraDirector0.0752%of company
  • GLGregory L. SummeDirector0.0715%of company
  • JRJones R. BrentEVP, Chief Financial Officer0.0621%of company
  • CWCorey WalkerPresident, VWR Dist. & Servs.0.0569%of company
  • BGBenoit GourdierEVP, Bioscience & Medtech0.0536%of company
  • MBMary BlennEVP, Chief Operating Officer0.0375%of company
  • CSClaudius SokenuEVP, Chief Legal & Compliance0.0371%of company
  • BHBrittany HankamerEVP, Chief HR Officer0.0368%of company

AI Activity Analysis

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Insider activity

Fromto
CompanyInsider / roleActionΔOwnAvg priceAmount
AVTRGregory T. LucierDirectorOpen market purchase$83.2K+11.9%$8.32$83.2KMay 8, 2026May 11, 2026
AVTRSimon DingemansDirectorOpen market purchase$204K+401.6%$8.14$204KMay 1, 2026May 5, 2026
AVTRSanjeev K. MehraDirectorOpen market purchase$1M+34.9%$8.01$1MMar 10, 2026Mar 11, 2026
AVTRGregory T. LucierDirectorOpen market purchase$458K+572.3%$9.16$458KFeb 19, 2026Feb 23, 2026
AVTRGregory L. SummeDirectorOpen market purchase$940K+27.9%$9.40$940KFeb 12, 2026Feb 12, 2026
AVTRSanjeev K. MehraDirectorOpen market purchase$3.88M+4317.8%$11.09$3.88MDec 5, 2025Dec 9, 2025
AVTREmmanuel LignerPresident and CEOOpen market purchase$993K+44.7%$11.35$993KNov 17, 2025Nov 17, 2025
AVTRGregory L. SummeDirectorOpen market purchase$1.13M+38.7%$11.25$1.13MOct 30, 2025Oct 31, 2025
End of history · 8 transactions
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