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.
Bought $0Sold $0Aug 4, 2026 – Nov 1, 2026
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.
| Traded | Insider | Role | Transaction | Shares | Price | Value | Held after | Filed |
|---|---|---|---|---|---|---|---|---|
| Oct 1, 2026 | Thomson Laurie R | Interim CFO and VP, Controller | award | 590 | $0.00 | — | 989 | Oct 2, 2026 |
| May 12, 2026 | Thomson Laurie R | VP, Controller | open-market sale | 240 | $1230.82 | $295K | 472 | May 14, 2026 |
| May 12, 2026 | Thomson Laurie R | VP, Controller | open-market sale | 10 | $1231.52 | $12K | 462 | May 14, 2026 |
| May 12, 2026 | Thomson Laurie R | VP, Controller | open-market sale | 20 | $1233.76 | $25K | 442 | May 14, 2026 |
| May 12, 2026 | Thomson Laurie R | VP, Controller | open-market sale | 20 | $1234.70 | $25K | 422 | May 14, 2026 |
| May 12, 2026 | Thomson Laurie R | VP, Controller | open-market sale | 23 | $1236.43 | $28K | 399 | May 14, 2026 |
| May 12, 2026 | LeRoy Jonny M | SVP, Chief Technology Officer | open-market sale | 350 | $1229.45 | $430K | 2,058 | May 14, 2026 |
| May 12, 2026 | LeRoy Jonny M | SVP, Chief Technology Officer | open-market sale | 80 | $1230.16 | $98K | 1,978 | May 14, 2026 |
| May 12, 2026 | LeRoy Jonny M | SVP, Chief Technology Officer | open-market sale | 111 | $1231.65 | $137K | 1,867 | May 14, 2026 |
| May 12, 2026 | LeRoy Jonny M | SVP, Chief Technology Officer | open-market sale | 233 | $1232.70 | $287K | 1,634 | May 14, 2026 |
| May 12, 2026 | LeRoy Jonny M | SVP, Chief Technology Officer | open-market sale | 80 | $1233.43 | $99K | 1,554 | May 14, 2026 |
| May 12, 2026 | Robbins Paige K | Sr. VP | open-market sale | 382 | $1229.68 | $470K | 3,307 | May 14, 2026 |
| May 12, 2026 | Robbins Paige K | Sr. VP | open-market sale | 247 | $1231.78 | $304K | 3,060 | May 14, 2026 |
| May 12, 2026 | Robbins Paige K | Sr. VP | open-market sale | 351 | $1232.98 | $433K | 2,709 | May 14, 2026 |
| May 12, 2026 | Robbins Paige K | Sr. VP | open-market sale | 356 | $1233.89 | $439K | 2,353 | May 14, 2026 |
| May 12, 2026 | Robbins Paige K | Sr. VP | open-market sale | 121 | $1234.89 | $149K | 2,232 | May 14, 2026 |
| May 1, 2026 | Tinto Melanie J | SVP & Chief HR Officer | tax withholding | 109 | $1161.35 | $127K | 3,536 | May 5, 2026 |
| May 1, 2026 | Tinto Melanie J | SVP & Chief HR Officer | tax withholding | 413 | $1161.35 | $480K | 3,123 | May 5, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 80 | $1097.27 | $88K | 11,949 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 40 | $1102.26 | $44K | 11,909 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 40 | $1107.77 | $44K | 11,869 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 40 | $1110.08 | $44K | 11,829 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 280 | $1112.41 | $311K | 11,549 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 120 | $1113.93 | $134K | 11,429 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 240 | $1115.43 | $268K | 11,189 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 128 | $1116.81 | $143K | 11,061 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 280 | $1117.83 | $313K | 10,781 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 160 | $1118.61 | $179K | 10,621 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 40 | $1119.73 | $45K | 10,581 | Apr 2, 2026 |
| Apr 2, 2026 | Merriwether Deidra C | Sr. VP & CFO | open-market sale10b5-1 | 40 | $1122.39 | $45K | 10,541 | Apr 2, 2026 |
| Apr 1, 2026 | Merriwether Deidra C | Sr. VP & CFO | award | 1,327 | $0.00 | — | 11,562 | Apr 2, 2026 |
| Apr 1, 2026 | Merriwether Deidra C | Sr. VP & CFO | tax withholding | 569 | $1090.81 | $621K | 10,993 | Apr 2, 2026 |
| Apr 1, 2026 | Merriwether Deidra C | Sr. VP & CFO | award | 1,619 | $0.00 | — | 12,612 | Apr 2, 2026 |
| Apr 1, 2026 | Merriwether Deidra C | Sr. VP & CFO | tax withholding | 218 | $1090.81 | $238K | 12,394 | Apr 2, 2026 |
| Apr 1, 2026 | Merriwether Deidra C | Sr. VP & CFO | tax withholding | 164 | $1090.81 | $179K | 12,230 | Apr 2, 2026 |
| Apr 1, 2026 | Merriwether Deidra C | Sr. VP & CFO | tax withholding | 201 | $1090.81 | $219K | 12,029 | Apr 2, 2026 |
| Apr 1, 2026 | Tinto Melanie J | SVP & Chief HR Officer | award | 764 | $0.00 | — | 3,645 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | award | 150 | $0.00 | — | 728 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | tax withholding | 44 | $1090.81 | $48K | 684 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | award | 118 | $0.00 | — | 802 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | tax withholding | 17 | $1090.81 | $19K | 785 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | tax withholding | 12 | $1090.81 | $13K | 773 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | tax withholding | 49 | $1090.81 | $53K | 724 | Apr 2, 2026 |
| Apr 1, 2026 | Thomson Laurie R | VP, Controller | tax withholding | 12 | $1090.81 | $13K | 712 | Apr 2, 2026 |
| Apr 1, 2026 | Robbins Paige K | Sr. VP | award | 1,327 | $0.00 | — | 3,642 | Apr 2, 2026 |
| Apr 1, 2026 | Robbins Paige K | Sr. VP | tax withholding | 547 | $1090.81 | $597K | 3,095 | Apr 2, 2026 |
| Apr 1, 2026 | Robbins Paige K | Sr. VP | award | 1,134 | $0.00 | — | 4,229 | Apr 2, 2026 |
| Apr 1, 2026 | Robbins Paige K | Sr. VP | tax withholding | 218 | $1090.81 | $238K | 4,011 | Apr 2, 2026 |
| Apr 1, 2026 | Robbins Paige K | Sr. VP | tax withholding | 156 | $1090.81 | $170K | 3,855 | Apr 2, 2026 |
| Apr 1, 2026 | Robbins Paige K | Sr. VP | tax withholding | 166 | $1090.81 | $181K | 3,689 | Apr 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.
| Insider | Role | Last transaction | Kind | Shares held | Bought, 12 months | Sold, 12 months | Sales under a plan |
|---|---|---|---|---|---|---|---|
| Macpherson Donald G | Chairman and CEO, Director | Apr 1, 2026 | award | 109,177 | — | $26M (22) | 22 of 22 |
| Merriwether Deidra C | Sr. VP & CFO | Apr 2, 2026 | open-market sale | 11,949 | — | $4M (24) | 24 of 24 |
| Robbins Paige K | Sr. VP | May 12, 2026 | open-market sale | 3,307 | — | $2M (5) | 0 of 5 |
| LeRoy Jonny M | SVP, Chief Technology Officer | May 12, 2026 | open-market sale | 2,058 | — | $1M (5) | 0 of 5 |
| Thomson Laurie R | Interim CFO and VP, Controller | Oct 1, 2026 | award | 989 | — | $386K (5) | 0 of 5 |
| Berardinelli Krantz Nancy L | Sr. VP & CLO | Apr 1, 2026 | award | 3,660 | — | $200K (1) | 0 of 1 |
| Tinto Melanie J | SVP & Chief HR Officer | May 1, 2026 | tax withholding | 3,536 | — | — | — |
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.
- W.W. Grainger, Inc. financial statements
- Insider buying and selling across all companies
- These transactions as JSON
From Form 4, 4/A and 5 filings with the SEC. A record of insider transactions, not a recommendation.