The Filings Report

Bio-Rad Laboratories, Inc.Class A insider trading

BIOfinancial statementsForm 4 filings on EDGAR96 transactions since Nov 9, 2024

From August 12, 2026 to November 9, 2026, 0 insiders at Bio-Rad Laboratories, Inc.Class A 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 option exercise by DiVincenzo Jonathan P. on October 24, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 27, 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.

BIO daily priceSplit-adjusted prices in US dollars

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

Nov 9, 2026O $385.38 · H $394.73 · L $381.59 · C $388.31Bought $0 (0)Sold $0 (0)
$344$358$372$385$3992026-08-12: open $353.06, high $362.42, low $351.00, close $362.082026-08-13: open $364.00, high $365.00, low $352.12, close $361.192026-08-14: open $361.06, high $362.49, low $355.07, close $356.262026-08-17: open $359.29, high $359.29, low $353.86, close $355.232026-08-18: open $356.17, high $356.49, low $351.80, close $352.692026-08-19: open $356.89, high $367.95, low $352.70, close $364.262026-08-20: open $360.29, high $380.71, low $360.25, close $376.462026-08-21: open $385.80, high $385.92, low $373.47, close $380.032026-08-24: open $384.09, high $384.09, low $373.40, close $381.762026-08-25: open $384.00, high $390.83, low $377.80, close $390.342026-08-26: open $393.10, high $393.10, low $385.50, close $388.642026-08-27: open $389.03, high $396.23, low $386.69, close $389.942026-08-28: open $390.82, high $392.29, low $382.10, close $387.702026-08-31: open $393.85, high $394.02, low $382.13, close $386.122026-09-01: open $387.88, high $387.88, low $380.27, close $380.962026-09-02: open $380.62, high $389.83, low $380.23, close $388.512026-09-03: open $390.00, high $394.29, low $381.06, close $387.902026-09-04: open $380.84, high $386.78, low $376.20, close $386.112026-09-08: open $390.73, high $390.73, low $379.49, close $380.122026-09-09: open $380.00, high $380.06, low $373.34, close $376.972026-09-10: open $379.92, high $382.01, low $368.56, close $368.752026-09-11: open $370.45, high $373.71, low $368.69, close $369.322026-09-14: open $365.66, high $370.52, low $365.66, close $368.552026-09-15: open $366.33, high $380.91, low $366.28, close $378.002026-09-16: open $378.25, high $385.33, low $375.00, close $379.032026-09-17: open $384.23, high $385.71, low $377.69, close $382.412026-09-18: open $383.05, high $383.05, low $374.81, close $376.412026-09-21: open $381.58, high $381.58, low $373.47, close $377.332026-09-22: open $377.53, high $383.25, low $374.01, close $379.572026-09-23: open $379.27, high $382.85, low $374.77, close $378.882026-09-24: open $377.73, high $389.38, low $376.18, close $387.542026-09-25: open $384.14, high $387.00, low $376.43, close $381.002026-09-28: open $376.98, high $383.63, low $373.18, close $377.692026-09-29: open $377.73, high $381.56, low $374.79, close $379.552026-09-30: open $377.61, high $380.88, low $374.02, close $377.712026-10-01: open $373.87, high $379.67, low $353.30, close $355.572026-10-02: open $357.28, high $369.40, low $357.28, close $369.142026-10-05: open $368.07, high $381.78, low $363.96, close $379.822026-10-06: open $383.38, high $390.00, low $367.49, close $368.832026-10-07: open $373.16, high $374.60, low $363.98, close $367.922026-10-08: open $371.99, high $372.59, low $353.97, close $360.402026-10-09: open $364.32, high $368.67, low $361.32, close $366.162026-10-12: open $369.85, high $369.85, low $359.41, close $364.422026-10-13: open $369.00, high $369.43, low $358.43, close $363.732026-10-14: open $367.86, high $371.07, low $361.27, close $362.432026-10-15: open $364.90, high $368.54, low $359.88, close $364.822026-10-16: open $369.37, high $369.37, low $350.77, close $353.702026-10-19: open $355.30, high $356.34, low $350.61, close $352.822026-10-20: open $352.08, high $356.93, low $350.49, close $354.502026-10-21: open $350.21, high $362.42, low $347.29, close $360.502026-10-22: open $359.83, high $367.93, low $359.83, close $363.502026-10-23: open $356.98, high $371.31, low $352.46, close $369.952026-10-26: open $371.80, high $376.00, low $369.76, close $372.432026-10-27: open $376.25, high $381.87, low $369.33, close $380.992026-10-28: open $384.15, high $388.86, low $379.79, close $385.122026-10-29: open $389.15, high $390.16, low $379.24, close $384.402026-10-30: open $381.09, high $384.00, low $368.45, close $372.182026-11-02: open $374.79, high $377.90, low $361.27, close $366.162026-11-03: open $369.45, high $376.81, low $369.45, close $374.912026-11-04: open $380.05, high $382.00, low $371.54, close $379.442026-11-05: open $367.29, high $375.07, low $352.09, close $369.002026-11-06: open $364.45, high $384.62, low $363.59, close $381.572026-11-09: open $385.38, high $394.73, low $381.59, close $388.31Insider 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

96 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 24, 2026DiVincenzo Jonathan P.President & COOoption exercise1,869$0.00—3,832Oct 27, 2026
Oct 24, 2026DiVincenzo Jonathan P.President & COOtax withholding951$369.95$352K2,881Oct 27, 2026
Oct 20, 2026Evran SedatEVP, Global Supply Chainoption exercise1,044$0.00—4,647Oct 22, 2026
Oct 20, 2026Evran SedatEVP, Global Supply Chaintax withholding487$354.50$173K4,160Oct 22, 2026
Sep 6, 2026Allison SchwartzDirectoroption exercise92$0.00—1,768Sep 9, 2026
Sep 6, 2026Allison SchwartzDirectortax withholding34$386.11$13K1,734Sep 9, 2026
Sep 6, 2026Barry JamesEVP, President, LSGoption exercise1,056$0.00—2,495Sep 9, 2026
Sep 6, 2026Barry JamesEVP, President, LSGtax withholding470$386.11$181K2,025Sep 9, 2026
Sep 6, 2026Evran SedatEVP, Global Supply Chainoption exercise864$0.00—3,880Sep 9, 2026
Sep 6, 2026Evran SedatEVP, Global Supply Chaintax withholding277$386.11$107K3,603Sep 9, 2026
Sep 6, 2026Engelhardt Eva AnetteEVP, President, CDGoption exercise1,152$0.00—2,313Sep 9, 2026
Sep 6, 2026Engelhardt Eva AnetteEVP, President, CDGtax withholding485$386.11$187K1,828Sep 9, 2026
Sep 6, 2026Enloe Courtney CEVP, General Counsel & Secoption exercise768$0.00—1,957Sep 9, 2026
Sep 6, 2026Enloe Courtney CEVP, General Counsel & Sectax withholding305$386.11$118K1,652Sep 9, 2026
Sep 6, 2026Lakkaraju Roop KalyanEVP, Chief Financial Officeroption exercise1,536$0.00—4,933Sep 9, 2026
Sep 6, 2026Lakkaraju Roop KalyanEVP, Chief Financial Officertax withholding782$386.11$302K4,151Sep 9, 2026
Sep 6, 2026Schwartz Norman DChairman & CEO, Director, 10% owneroption exercise3,455$0.00—450,873Sep 9, 2026
Sep 6, 2026Schwartz Norman DChairman & CEO, Director, 10% ownertax withholding1,854$386.11$716K449,019Sep 9, 2026
Sep 5, 2026Allison SchwartzDirectoroption exercise228$0.00—1,758Sep 9, 2026
Sep 5, 2026Allison SchwartzDirectortax withholding82$386.11$32K1,676Sep 9, 2026
Sep 5, 2026Barry JamesEVP, President, LSGoption exercise1,027$0.00—1,808Sep 9, 2026
Sep 5, 2026Barry JamesEVP, President, LSGtax withholding369$386.11$142K1,439Sep 9, 2026
Sep 5, 2026Evran SedatEVP, Global Supply Chainoption exercise1,027$0.00—3,345Sep 9, 2026
Sep 5, 2026Evran SedatEVP, Global Supply Chaintax withholding329$386.11$127K3,016Sep 9, 2026
Sep 5, 2026Engelhardt Eva AnetteEVP, President, CDGoption exercise1,027$0.00—1,530Sep 9, 2026
Sep 5, 2026Engelhardt Eva AnetteEVP, President, CDGtax withholding369$386.11$142K1,161Sep 9, 2026
Sep 5, 2026DiVincenzo Jonathan P.President & COOoption exercise1,712$0.00—2,631Sep 9, 2026
Sep 5, 2026DiVincenzo Jonathan P.President & COOtax withholding668$386.11$258K1,963Sep 9, 2026
Sep 5, 2026Enloe Courtney CEVP, General Counsel & Secoption exercise685$0.00—1,435Sep 9, 2026
Sep 5, 2026Enloe Courtney CEVP, General Counsel & Sectax withholding246$386.11$95K1,189Sep 9, 2026
Sep 5, 2026Mehta RajatEVP, GBL Commercial Operationsoption exercise456$0.00—599Sep 9, 2026
Sep 5, 2026Mehta RajatEVP, GBL Commercial Operationstax withholding233$386.11$90K366Sep 9, 2026
Sep 5, 2026Mehta RajatEVP, GBL Commercial Operationsoption exercise1,370$0.00—1,736Sep 9, 2026
Sep 5, 2026Mehta RajatEVP, GBL Commercial Operationstax withholding504$386.11$195K1,232Sep 9, 2026
Sep 5, 2026Lakkaraju Roop KalyanEVP, Chief Financial Officeroption exercise1,370$0.00—3,956Sep 9, 2026
Sep 5, 2026Lakkaraju Roop KalyanEVP, Chief Financial Officertax withholding559$386.11$216K3,397Sep 9, 2026
Sep 5, 2026Schwartz Norman DChairman & CEO, Director, 10% owneroption exercise4,109$0.00—450,294Sep 9, 2026
Sep 5, 2026Schwartz Norman DChairman & CEO, Director, 10% ownertax withholding2,876$386.11$1M447,418Sep 9, 2026
Sep 1, 2026Barry JamesEVP, President, LSGoption exercise425$0.00—935Sep 3, 2026
Sep 1, 2026Barry JamesEVP, President, LSGtax withholding154$380.96$59K781Sep 3, 2026
Sep 1, 2026Allison SchwartzDirectoroption exercise117$0.00—1,573Sep 3, 2026
Sep 1, 2026Allison SchwartzDirectortax withholding43$380.96$16K1,530Sep 3, 2026
Sep 1, 2026Schwartz Norman DChairman & CEO, Director, 10% owneroption exercise5,087$0.00—448,521Sep 3, 2026
Sep 1, 2026Schwartz Norman DChairman & CEO, Director, 10% ownertax withholding2,336$380.96$890K446,185Sep 3, 2026
Jul 25, 2026Engelhardt Eva AnetteEVP, President, CDGoption exercise246$0.00—592Jul 28, 2026
Jul 25, 2026Engelhardt Eva AnetteEVP, President, CDGtax withholding89$314.46$28K503Jul 28, 2026
May 11, 2026Engelhardt Eva AnetteEVP, President, CDGopen-market sale550$246.54$136K346May 13, 2026
Apr 24, 2026Lakkaraju Roop KalyanEVP, Chief Financial Officeroption exercise1,078$0.00—2,984Apr 28, 2026
Apr 24, 2026Lakkaraju Roop KalyanEVP, Chief Financial Officertax withholding420$287.84$121K2,564Apr 28, 2026
Apr 24, 2026Enloe Courtney CEVP, General Counsel & Secoption exercise186$0.00—827Apr 28, 2026

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
Engelhardt Eva AnetteEVP, President, CDGSep 6, 2026option exercise2,313—$136K (1)0 of 1
Barry JamesEVP, President, LSGSep 6, 2026option exercise2,495———
Evran SedatEVP, Global Supply ChainOct 20, 2026option exercise4,647———
Allison SchwartzDirectorSep 6, 2026option exercise1,768———
Enloe Courtney CEVP, General Counsel & SecSep 6, 2026option exercise1,957———
Lakkaraju Roop KalyanEVP, Chief Financial OfficerSep 6, 2026option exercise4,933———
Schwartz Norman DChairman & CEO, Director, 10% ownerSep 6, 2026option exercise450,873———
DiVincenzo Jonathan P.President & COOOct 24, 2026option exercise3,832———
Mehta RajatEVP, GBL Commercial OperationsSep 5, 2026option exercise599———
Corey ColleenEVP, Global Human ResourcesSep 6, 2025option exercise19,759———
Pei Melinda LitherlandDirectorApr 21, 2026option exercise715———
Edwards Jeffrey LDirectorApr 21, 2026option exercise715———
Pinkston Arnold ADirectorApr 21, 2026option exercise715———
Crowley MichaelEVP, GBL Commercial OperationsMar 14, 2025option exercise11,171———
Hinckley Greg KDirectorApr 21, 2026option exercise1,215———
Hinckley Gregory KDirectorApr 22, 2025option exercise308———

Questions

Are Bio-Rad Laboratories, Inc.Class A insiders buying or selling?

Over the twelve months to November 9, 2026, 1 insider at Bio-Rad Laboratories, Inc.Class A sold $136K of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $136K. Only open-market purchases and sales are counted.

Who sold the most Bio-Rad Laboratories, Inc.Class A stock in the last year?

Engelhardt Eva Anette (EVP, President, CDG) sold $136K in 1 open-market sale over the twelve months to November 9, 2026.

Do Bio-Rad Laboratories, Inc.Class A executives sell under 10b5-1 plans?

0 of the 1 open-market sales in the last twelve months (0%) were reported as made under a Rule 10b5-1 trading plan, set up in advance. A sale under a plan is still counted as a sale.

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 Bio-Rad Laboratories, Inc.Class A

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