W.W. Grainger, Inc. insider trading

GWWfinancial statementsForm 4 filings on EDGAR205 transactions since Nov 1, 2024

From August 4, 2026 to November 1, 2026, 0 insiders at W.W. Grainger, 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 Thomson Laurie R on October 1, 2026.

The answer card and chart use the same period. Change the range above the chart to update both. Form 4 filings through October 2, 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.

GWW daily priceSplit-adjusted prices in US dollars

Bought $0Sold $0Aug 4, 2026 – Nov 1, 2026

Oct 30, 2026O $1381.44 · H $1384.46 · L $1352.34 · C $1359.17Bought $0 (0)Sold $0 (0)
$1227$1269$1310$1352$13932026-08-04: open $1280.59, high $1311.21, low $1260.22, close $1300.452026-08-05: open $1302.83, high $1312.43, low $1283.22, close $1285.072026-08-06: open $1297.64, high $1300.00, low $1268.90, close $1282.582026-08-07: open $1275.44, high $1295.72, low $1269.31, close $1277.552026-08-10: open $1274.60, high $1297.49, low $1274.60, close $1297.452026-08-11: open $1296.87, high $1310.64, low $1296.87, close $1301.942026-08-12: open $1303.30, high $1312.82, low $1297.46, close $1304.882026-08-13: open $1311.74, high $1321.66, low $1300.28, close $1321.382026-08-14: open $1328.30, high $1329.90, low $1314.55, close $1322.642026-08-17: open $1318.15, high $1327.94, low $1315.55, close $1317.682026-08-18: open $1323.39, high $1323.48, low $1310.04, close $1314.122026-08-19: open $1319.94, high $1331.56, low $1302.68, close $1306.952026-08-20: open $1301.48, high $1313.16, low $1293.87, close $1300.342026-08-21: open $1305.43, high $1316.99, low $1300.26, close $1312.242026-08-24: open $1313.10, high $1333.35, low $1301.42, close $1321.902026-08-25: open $1329.90, high $1330.96, low $1297.55, close $1301.682026-08-26: open $1309.50, high $1337.96, low $1309.50, close $1335.392026-08-27: open $1327.02, high $1327.61, low $1311.94, close $1321.082026-08-28: open $1334.29, high $1335.31, low $1294.05, close $1306.302026-08-31: open $1304.17, high $1312.86, low $1300.13, close $1309.492026-09-01: open $1312.16, high $1317.75, low $1297.94, close $1309.212026-09-02: open $1306.38, high $1311.75, low $1283.97, close $1284.852026-09-03: open $1290.45, high $1312.99, low $1283.48, close $1312.842026-09-04: open $1312.66, high $1330.62, low $1312.52, close $1324.492026-09-08: open $1319.65, high $1319.86, low $1271.79, close $1289.172026-09-09: open $1282.37, high $1292.67, low $1274.28, close $1278.832026-09-10: open $1277.44, high $1283.35, low $1263.57, close $1271.492026-09-11: open $1289.00, high $1296.68, low $1274.20, close $1280.002026-09-14: open $1280.15, high $1291.92, low $1271.64, close $1277.512026-09-15: open $1269.58, high $1280.03, low $1258.70, close $1269.532026-09-16: open $1274.39, high $1274.51, low $1252.93, close $1258.262026-09-17: open $1275.00, high $1278.25, low $1250.60, close $1262.612026-09-18: open $1260.15, high $1270.64, low $1252.10, close $1266.612026-09-21: open $1269.95, high $1279.16, low $1252.97, close $1277.792026-09-22: open $1283.86, high $1289.94, low $1260.32, close $1268.622026-09-23: open $1266.60, high $1276.42, low $1262.26, close $1270.672026-09-24: open $1271.62, high $1296.34, low $1269.45, close $1279.472026-09-25: open $1260.00, high $1265.11, low $1237.47, close $1243.072026-09-28: open $1240.98, high $1257.81, low $1236.29, close $1255.692026-09-29: open $1248.93, high $1257.05, low $1242.69, close $1248.672026-09-30: open $1252.26, high $1257.80, low $1242.41, close $1245.762026-10-01: open $1240.00, high $1282.27, low $1240.00, close $1281.682026-10-02: open $1289.01, high $1300.00, low $1274.80, close $1280.302026-10-05: open $1277.04, high $1292.35, low $1267.15, close $1286.842026-10-06: open $1286.61, high $1287.26, low $1272.73, close $1275.562026-10-07: open $1267.98, high $1281.80, low $1260.20, close $1263.512026-10-08: open $1261.65, high $1282.97, low $1258.59, close $1268.672026-10-09: open $1272.15, high $1295.05, low $1270.79, close $1289.792026-10-12: open $1294.76, high $1307.88, low $1287.95, close $1306.732026-10-13: open $1313.18, high $1327.33, low $1304.15, close $1325.102026-10-14: open $1300.25, high $1330.63, low $1288.16, close $1330.622026-10-15: open $1339.94, high $1355.00, low $1306.82, close $1331.172026-10-16: open $1340.00, high $1349.88, low $1319.36, close $1330.702026-10-19: open $1331.80, high $1338.37, low $1317.51, close $1318.062026-10-20: open $1318.66, high $1338.82, low $1317.11, close $1335.962026-10-21: open $1336.91, high $1359.29, low $1332.05, close $1351.872026-10-22: open $1352.49, high $1360.12, low $1308.22, close $1360.082026-10-23: open $1351.69, high $1363.79, low $1344.46, close $1349.902026-10-26: open $1359.68, high $1370.61, low $1350.05, close $1357.602026-10-27: open $1357.09, high $1365.11, low $1332.56, close $1342.722026-10-28: open $1350.08, high $1351.16, low $1332.71, close $1340.762026-10-29: open $1352.48, high $1374.67, low $1347.95, close $1371.862026-10-30: open $1381.44, high $1384.46, low $1352.34, close $1359.17Insider purchases / sales · USD$0No open-market purchases or sales in this period.Aug 4Aug 26Sep 17Oct 9Oct 30

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 Oct 30, 2026. Insider data through Nov 1, 2026. Prices are adjusted for splits; transaction values are reported dollars.

Every transaction

205 transactions from November 1, 2024 to November 1, 2026, newest first. Open-market purchases and sales are coloured; awards, exercises, tax withholding and gifts are grey and not counted.

TradedInsiderRoleTransactionSharesPriceValueHeld afterFiled
Oct 1, 2026Thomson Laurie RInterim CFO and VP, Controlleraward590$0.00—989Oct 2, 2026
May 12, 2026Thomson Laurie RVP, Controlleropen-market sale240$1230.82$295K472May 14, 2026
May 12, 2026Thomson Laurie RVP, Controlleropen-market sale10$1231.52$12K462May 14, 2026
May 12, 2026Thomson Laurie RVP, Controlleropen-market sale20$1233.76$25K442May 14, 2026
May 12, 2026Thomson Laurie RVP, Controlleropen-market sale20$1234.70$25K422May 14, 2026
May 12, 2026Thomson Laurie RVP, Controlleropen-market sale23$1236.43$28K399May 14, 2026
May 12, 2026LeRoy Jonny MSVP, Chief Technology Officeropen-market sale350$1229.45$430K2,058May 14, 2026
May 12, 2026LeRoy Jonny MSVP, Chief Technology Officeropen-market sale80$1230.16$98K1,978May 14, 2026
May 12, 2026LeRoy Jonny MSVP, Chief Technology Officeropen-market sale111$1231.65$137K1,867May 14, 2026
May 12, 2026LeRoy Jonny MSVP, Chief Technology Officeropen-market sale233$1232.70$287K1,634May 14, 2026
May 12, 2026LeRoy Jonny MSVP, Chief Technology Officeropen-market sale80$1233.43$99K1,554May 14, 2026
May 12, 2026Robbins Paige KSr. VPopen-market sale382$1229.68$470K3,307May 14, 2026
May 12, 2026Robbins Paige KSr. VPopen-market sale247$1231.78$304K3,060May 14, 2026
May 12, 2026Robbins Paige KSr. VPopen-market sale351$1232.98$433K2,709May 14, 2026
May 12, 2026Robbins Paige KSr. VPopen-market sale356$1233.89$439K2,353May 14, 2026
May 12, 2026Robbins Paige KSr. VPopen-market sale121$1234.89$149K2,232May 14, 2026
May 1, 2026Tinto Melanie JSVP & Chief HR Officertax withholding109$1161.35$127K3,536May 5, 2026
May 1, 2026Tinto Melanie JSVP & Chief HR Officertax withholding413$1161.35$480K3,123May 5, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-180$1097.27$88K11,949Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-140$1102.26$44K11,909Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-140$1107.77$44K11,869Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-140$1110.08$44K11,829Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-1280$1112.41$311K11,549Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-1120$1113.93$134K11,429Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-1240$1115.43$268K11,189Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-1128$1116.81$143K11,061Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-1280$1117.83$313K10,781Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-1160$1118.61$179K10,621Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-140$1119.73$45K10,581Apr 2, 2026
Apr 2, 2026Merriwether Deidra CSr. VP & CFOopen-market sale10b5-140$1122.39$45K10,541Apr 2, 2026
Apr 1, 2026Merriwether Deidra CSr. VP & CFOaward1,327$0.00—11,562Apr 2, 2026
Apr 1, 2026Merriwether Deidra CSr. VP & CFOtax withholding569$1090.81$621K10,993Apr 2, 2026
Apr 1, 2026Merriwether Deidra CSr. VP & CFOaward1,619$0.00—12,612Apr 2, 2026
Apr 1, 2026Merriwether Deidra CSr. VP & CFOtax withholding218$1090.81$238K12,394Apr 2, 2026
Apr 1, 2026Merriwether Deidra CSr. VP & CFOtax withholding164$1090.81$179K12,230Apr 2, 2026
Apr 1, 2026Merriwether Deidra CSr. VP & CFOtax withholding201$1090.81$219K12,029Apr 2, 2026
Apr 1, 2026Tinto Melanie JSVP & Chief HR Officeraward764$0.00—3,645Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controlleraward150$0.00—728Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controllertax withholding44$1090.81$48K684Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controlleraward118$0.00—802Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controllertax withholding17$1090.81$19K785Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controllertax withholding12$1090.81$13K773Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controllertax withholding49$1090.81$53K724Apr 2, 2026
Apr 1, 2026Thomson Laurie RVP, Controllertax withholding12$1090.81$13K712Apr 2, 2026
Apr 1, 2026Robbins Paige KSr. VPaward1,327$0.00—3,642Apr 2, 2026
Apr 1, 2026Robbins Paige KSr. VPtax withholding547$1090.81$597K3,095Apr 2, 2026
Apr 1, 2026Robbins Paige KSr. VPaward1,134$0.00—4,229Apr 2, 2026
Apr 1, 2026Robbins Paige KSr. VPtax withholding218$1090.81$238K4,011Apr 2, 2026
Apr 1, 2026Robbins Paige KSr. VPtax withholding156$1090.81$170K3,855Apr 2, 2026
Apr 1, 2026Robbins Paige KSr. VPtax withholding166$1090.81$181K3,689Apr 2, 2026

Who the insiders are

Everyone who reported a transaction since November 1, 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
Macpherson Donald GChairman and CEO, DirectorApr 1, 2026award109,177—$26M (22)22 of 22
Merriwether Deidra CSr. VP & CFOApr 2, 2026open-market sale11,949—$4M (24)24 of 24
Robbins Paige KSr. VPMay 12, 2026open-market sale3,307—$2M (5)0 of 5
LeRoy Jonny MSVP, Chief Technology OfficerMay 12, 2026open-market sale2,058—$1M (5)0 of 5
Thomson Laurie RInterim CFO and VP, ControllerOct 1, 2026award989—$386K (5)0 of 5
Berardinelli Krantz Nancy LSr. VP & CLOApr 1, 2026award3,660—$200K (1)0 of 1
Tinto Melanie JSVP & Chief HR OfficerMay 1, 2026tax withholding3,536———

Questions

Are W.W. Grainger, Inc. insiders buying or selling?

Over the twelve months to November 1, 2026, 6 insiders at W.W. Grainger, Inc. sold $34M of stock in the open market, all by officers and directors, and no insider bought. Net, insiders sold $34M. Only open-market purchases and sales are counted.

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

Macpherson Donald G (Chairman and CEO, Director) sold $26M in 22 open-market sales over the twelve months to November 1, 2026.

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

46 of the 62 open-market sales in the last twelve months (74%) 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 W.W. Grainger, Inc.

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