The Filings Report

Avantor, Inc. insider trading

AVTRfinancial statementsForm 4 filings on EDGAR115 transactions since Nov 9, 2024

From August 12, 2026 to November 9, 2026, 0 insiders at Avantor, Inc. bought $0 of stock in the open market, and 0 sold $0. Officers and directors accounted for $0 of purchases and $0 of sales. The last reported transaction was an award by Sokenu Claudius on October 30, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through November 3, 2026; awards, option exercises, tax withholding and gifts are excluded from these totals.

Stock price and insider activity

Daily price candles with insider purchases and sales directly beneath them on the same timeline. Bars show individual days; totals sum all days in the selected period.

AVTR daily priceSplit-adjusted prices in US dollars

Bought $0Sold $0Aug 12, 2026 – Nov 9, 2026

Nov 9, 2026O $15.59 · H $15.95 · L $15.35 · C $15.91Bought $0 (0)Sold $0 (0)
$13$14$15$17$182026-08-12: open $13.57, high $13.94, low $13.42, close $13.932026-08-13: open $13.98, high $14.02, low $13.66, close $13.852026-08-14: open $13.78, high $13.83, low $13.63, close $13.662026-08-17: open $13.54, high $13.72, low $13.45, close $13.502026-08-18: open $13.61, high $13.72, low $13.33, close $13.332026-08-19: open $13.56, high $14.11, low $13.51, close $13.962026-08-20: open $13.79, high $14.48, low $13.76, close $14.252026-08-21: open $14.31, high $14.49, low $14.16, close $14.462026-08-24: open $14.29, high $14.36, low $14.05, close $14.262026-08-25: open $14.26, high $14.50, low $14.05, close $14.422026-08-26: open $14.23, high $14.63, low $14.20, close $14.502026-08-27: open $14.51, high $14.70, low $14.43, close $14.612026-08-28: open $14.50, high $14.65, low $14.45, close $14.582026-08-31: open $14.54, high $14.59, low $14.34, close $14.542026-09-01: open $14.55, high $14.63, low $14.19, close $14.202026-09-02: open $14.22, high $14.84, low $14.22, close $14.652026-09-03: open $14.78, high $15.20, low $14.59, close $15.192026-09-04: open $15.13, high $15.18, low $14.85, close $14.972026-09-08: open $14.83, high $15.46, low $14.67, close $15.252026-09-09: open $15.08, high $15.16, low $14.72, close $14.882026-09-10: open $14.72, high $14.94, low $14.60, close $14.882026-09-11: open $15.01, high $15.05, low $14.70, close $14.812026-09-14: open $14.87, high $15.17, low $14.70, close $15.162026-09-15: open $15.22, high $15.65, low $15.19, close $15.442026-09-16: open $15.53, high $15.82, low $15.42, close $15.612026-09-17: open $15.81, high $16.05, low $15.64, close $15.862026-09-18: open $15.87, high $15.90, low $15.44, close $15.522026-09-21: open $15.39, high $15.59, low $15.04, close $15.102026-09-22: open $15.13, high $15.32, low $14.91, close $14.942026-09-23: open $14.95, high $15.14, low $14.72, close $14.762026-09-24: open $14.72, high $15.43, low $14.67, close $15.382026-09-25: open $15.33, high $15.36, low $15.08, close $15.252026-09-28: open $15.10, high $15.41, low $15.07, close $15.292026-09-29: open $15.18, high $15.42, low $15.06, close $15.242026-09-30: open $15.16, high $15.36, low $15.05, close $15.052026-10-01: open $14.94, high $15.20, low $14.57, close $15.032026-10-02: open $15.11, high $15.38, low $14.97, close $15.342026-10-05: open $15.34, high $15.87, low $15.24, close $15.812026-10-06: open $15.95, high $16.38, low $15.42, close $15.432026-10-07: open $15.38, high $15.52, low $15.04, close $15.352026-10-08: open $15.22, high $15.42, low $14.96, close $15.392026-10-09: open $15.45, high $15.76, low $15.42, close $15.672026-10-12: open $15.71, high $15.76, low $15.39, close $15.492026-10-13: open $15.53, high $15.66, low $15.44, close $15.552026-10-14: open $15.61, high $16.00, low $15.61, close $15.702026-10-15: open $15.83, high $16.26, low $15.70, close $16.092026-10-16: open $16.10, high $16.45, low $15.95, close $16.422026-10-19: open $16.42, high $16.55, low $16.19, close $16.292026-10-20: open $16.38, high $16.83, low $16.24, close $16.622026-10-21: open $16.45, high $17.33, low $16.45, close $17.262026-10-22: open $17.29, high $17.45, low $16.97, close $17.152026-10-23: open $17.10, high $17.32, low $16.90, close $17.292026-10-26: open $17.14, high $17.40, low $17.03, close $17.292026-10-27: open $17.29, high $17.39, low $17.07, close $17.132026-10-28: open $16.41, high $17.22, low $16.17, close $16.692026-10-29: open $16.65, high $16.73, low $16.32, close $16.682026-10-30: open $16.74, high $16.80, low $15.85, close $16.052026-11-02: open $16.09, high $16.09, low $15.56, close $15.612026-11-03: open $15.67, high $16.01, low $15.55, close $15.592026-11-04: open $15.88, high $16.19, low $15.45, close $15.652026-11-05: open $15.60, high $15.67, low $15.09, close $15.142026-11-06: open $15.07, high $15.60, low $15.07, close $15.472026-11-09: open $15.59, high $15.95, low $15.35, close $15.91Insider purchases / sales · USD$0No open-market purchases or sales in this period.Aug 12Sep 3Sep 25Oct 19Nov 9

purchases above zero; sales below. Both use the transaction date and the same dollar scale. Hover, tap, or use arrow keys to inspect a date. Awards, exercises, tax withholding and gifts are excluded.

Dates with prices or insider activity are spaced evenly; empty weekends and holidays are omitted. Prices through Nov 9, 2026. Insider data through Nov 9, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

115 transactions from November 9, 2024 to November 9, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 30, 2026Sokenu ClaudiusEVP, Chief Legal & Complianceaward62,305$0.00—313,533Nov 3, 2026
Oct 30, 2026Hankamer BrittanyEVP, Chief HR Officeraward46,728$0.00—295,592Nov 3, 2026
Sep 21, 2026Garner Todd WEVP and CFOaward49,688$0.00—49,688Sep 23, 2026
Aug 18, 2026Ligner EmmanuelPresident and CEO, Directortax withholding29,803$13.33$397K737,334Aug 20, 2026
Aug 14, 2026Hankamer BrittanyEVP, Chief HR Officertax withholding181$13.66$2K248,864Aug 18, 2026
Jul 31, 2026Eck Steven WSVP & Chief Accounting Officertax withholding1,385$13.78$19K129,593Aug 4, 2026
Jul 24, 2026Sokenu ClaudiusEVP, Chief Legal & Compliancetax withholding1,201$11.44$14K251,228Jul 27, 2026
Jun 21, 2026Walker CoreyPresident, VWR Dist. & Servs.tax withholding3,010$9.58$29K384,535Jun 22, 2026
May 8, 2026Lucier Gregory TDirectoropen-market buyindirect10,000$8.32$83K60,000May 11, 2026
May 7, 2026Murthy MalaDirectoraward25,270$0.00—69,479May 11, 2026
May 7, 2026Lucier Gregory TDirectoraward25,270$0.00—34,006May 11, 2026
May 7, 2026Dingemans SimonDirectoraward25,270$0.00—31,495May 11, 2026
May 7, 2026Makin LouiseDirectoraward25,270$0.00—47,140May 11, 2026
May 7, 2026Massaro Joseph RDirectoraward25,270$0.00—77,408May 11, 2026
May 7, 2026Mehra Sanjeev KDirectoraward25,270$0.00—33,376May 11, 2026
May 7, 2026Severino MichaelDirectoraward25,270$0.00—85,821May 11, 2026
May 7, 2026Summe Gregory LDirectoraward25,270$0.00—83,381May 11, 2026
May 1, 2026Dingemans SimonDirectoropen-market buyindirect25,000$8.14$204K25,000May 5, 2026
May 1, 2026Brellier LudovicEVP, Bioscience & Medtechaward146,566$0.00—146,566May 5, 2026
Apr 3, 2026Eck Steven WSVP & Chief Accounting Officeraward31,645$0.00—130,978Apr 6, 2026
Mar 10, 2026Mehra Sanjeev KDirectoropen-market buyindirect125,000$8.01$1M475,000Mar 11, 2026
Feb 24, 2026Hankamer BrittanyEVP, Chief HR Officertax withholding359$9.11$3K249,045Feb 25, 2026
Feb 24, 2026Eck Steven WSVP & Chief Accounting Officertax withholding452$9.11$4K99,333Feb 25, 2026
Feb 23, 2026Sokenu ClaudiusEVP, Chief Legal & Compliancetax withholding2,376$8.89$21K252,429Feb 25, 2026
Feb 23, 2026Hankamer BrittanyEVP, Chief HR Officertax withholding1,324$8.89$12K249,404Feb 25, 2026
Feb 23, 2026Jones R. BrentEVP, Chief Financial Officertax withholding2,805$8.89$25K419,782Feb 25, 2026
Feb 23, 2026Gourdier BenoitEVP, Bioscience & Medtechtax withholding3,029$8.89$27K362,859Feb 25, 2026
Feb 23, 2026Eck Steven WSVP & Chief Accounting Officertax withholding2,017$8.89$18K99,785Feb 25, 2026
Feb 20, 2026Hankamer BrittanyEVP, Chief HR Officertax withholding1,453$9.03$13K250,728Feb 23, 2026
Feb 20, 2026Eck Steven WSVP & Chief Accounting Officertax withholding2,125$9.03$19K101,802Feb 23, 2026
Feb 20, 2026Walker CoreyPresident, VWR Dist. & Servs.tax withholding4,963$9.03$45K387,545Feb 23, 2026
Feb 20, 2026Sokenu ClaudiusEVP, Chief Legal & Compliancetax withholding2,919$9.03$26K254,805Feb 23, 2026
Feb 20, 2026Gourdier BenoitEVP, Bioscience & Medtechtax withholding4,160$9.03$38K365,888Feb 23, 2026
Feb 20, 2026Jones R. BrentEVP, Chief Financial Officertax withholding9,506$9.03$86K422,587Feb 23, 2026
Feb 19, 2026Hankamer BrittanyEVP, Chief HR Officeraward80,618$0.00—252,181Feb 23, 2026
Feb 19, 2026Lucier Gregory TDirectoropen-market buyindirect50,000$9.16$458K50,000Feb 23, 2026
Feb 19, 2026Blenn MaryEVP, Chief Operating Officeraward235,993$0.00—253,384Feb 23, 2026
Feb 19, 2026Eck Steven WSVP & Chief Accounting Officeraward48,859$0.00—103,927Feb 23, 2026
Feb 19, 2026Ligner EmmanuelPresident and CEO, Directoraward483,713$0.00—767,137Feb 23, 2026
Feb 19, 2026Walker CoreyPresident, VWR Dist. & Servs.award161,237$0.00—392,508Feb 23, 2026
Feb 19, 2026Sokenu ClaudiusEVP, Chief Legal & Complianceaward80,618$0.00—257,724Feb 23, 2026
Feb 19, 2026Gourdier BenoitEVP, Bioscience & Medtechaward134,364$0.00—370,048Feb 23, 2026
Feb 19, 2026Jones R. BrentEVP, Chief Financial Officeraward161,237$0.00—432,093Feb 23, 2026
Feb 12, 2026Summe Gregory LDirectoropen-market buyindirect100,000$9.40$940K400,000Feb 12, 2026
Jan 2, 2026Dingemans SimonDirectoraward6,225$0.00—6,225Jan 12, 2026
Dec 5, 2025Mehra Sanjeev KDirectoraward8,106$0.00—8,106Dec 9, 2025
Dec 5, 2025Mehra Sanjeev KDirectoropen-market buyindirect350,000$11.09$4M350,000Dec 9, 2025
Nov 17, 2025Ligner EmmanuelPresident and CEO, Directoropen-market buy87,500$11.35$993K283,424Nov 17, 2025
Nov 10, 2025Blenn MaryEVP, Chief Operating Officeraward17,391$0.00—17,391Nov 12, 2025
Oct 30, 2025Summe Gregory LDirectoropen-market buyindirect100,000$11.25$1M300,000Oct 31, 2025

Who the insiders are

Everyone who reported a transaction since November 9, 2024, by open-market value over twelve months. Shares held are after the insider’s latest directly held transaction.

InsiderRoleLast transactionKindShares heldBought, 12 monthsSold, 12 monthsSales under a plan
Mehra Sanjeev KDirectorMay 7, 2026award33,376$5M (2)——
Ligner EmmanuelPresident and CEO, DirectorAug 18, 2026tax withholding737,334$993K (1)——
Summe Gregory LDirectorMay 7, 2026award83,381$940K (1)——
Lucier Gregory TDirectorMay 8, 2026open-market buy34,006$541K (2)——
Dingemans SimonDirectorMay 7, 2026award31,495$204K (1)——
Eck Steven WSVP & Chief Accounting OfficerJul 31, 2026tax withholding129,593———
Hankamer BrittanyEVP, Chief HR OfficerOct 30, 2026award295,592———
Sokenu ClaudiusEVP, Chief Legal & ComplianceOct 30, 2026award313,533———
Gourdier BenoitEVP, Bioscience & MedtechFeb 23, 2026tax withholding362,859———
Couturier ChristopheEVP, AMEAAug 8, 2025award211,271———
Jones R. BrentEVP, Chief Financial OfficerFeb 23, 2026tax withholding419,782———
Stubblefield MichaelPresident & CEO, DirectorMay 21, 2025gift1M———
Walker CoreyPresident, VWR Dist. & Servs.Jun 21, 2026tax withholding384,535———
Bramwell JamesEVP Sales, Customer ExcellenceFeb 27, 2025open-market sale86,605———
Massaro Joseph RDirectorMay 7, 2026award77,408———
Murthy MalaDirectorMay 7, 2026award69,479———
Makin LouiseDirectorMay 7, 2026award47,140———
Severino MichaelDirectorMay 7, 2026award85,821———
Blenn MaryEVP, Chief Operating OfficerFeb 19, 2026award253,384———
Peacock Jonathan MDirectorMay 8, 2025award219,815———
Kang LanDirectorMay 8, 2025award52,315———
Garner Todd WEVP and CFOSep 21, 2026award49,688———
Brellier LudovicEVP, Bioscience & MedtechMay 1, 2026award146,566———
Carethers JohnDirectorMay 8, 2025award45,858———
Andres JuanDirectorMay 8, 2025award65,480———

Questions

Are Avantor, Inc. insiders buying or selling?

Over the twelve months to November 9, 2026, no insider at Avantor, Inc. sold stock in the open market, and 5 insiders bought $8M, all by officers and directors. Net, insiders bought $8M. Only open-market purchases and sales are counted.

Who sold the most Avantor, Inc. stock in the last year?

No insider sold Avantor, Inc. stock in the open market in the twelve months to November 9, 2026.

Do Avantor, Inc. executives sell under 10b5-1 plans?

There were no open-market sales in the last twelve months.

What counts as insider buying here?

Only open-market purchases (Form 4 code P) and sales (code S) by officers, directors and 10% owners. Stock awards, option exercises, shares withheld for tax and gifts are listed in the table but never counted as buying or selling.

More on Avantor, Inc.

From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.