Key facts
- GWW - W.W. GRAINGER, INC. has 25 insiders with reported activity on this page.
- Net insider value flow over the last year: -$34,034,286.
- Recent transaction rows are available for direct filing-level review.
Insider Transactions Reported by 25 Insiders of W.W. GRAINGER, INC.
- Symbol
- GWW on NYSE
- Location
- Lake Forest, IL
Change
- Buy value: ; sell value: $34,034,285.
- Net share flow: -33,832.
Research use
- This page gives a plain-language issuer insider context before you inspect transaction-level evidence.
- Use the filing links below to verify timestamps, codes, and ownership impacts directly from SEC forms.
Evidence
Filed on Form 4
See Original Filing
Issuer insider activity is sourced from SEC Forms 3, 4, and 5.
Insider trading overview
Last 12 monthsNet insider flow leans to selling over the last 12 months. Net value: -$34,034,286.
Buys
$0
Shares: 0
Insiders: 0
Sells
$34,034,286
Shares: 33,832
Insiders: 6
Net
-$34,034,286
Shares: -33,832
Insiders: -6
| Window (months) | Buy shares | Sell shares | Buy $ | Sell $ | Net $ |
|---|---|---|---|---|---|
| 0-3 | 0 | 6,451 | $0 | $7,380,731 | -$7,380,731 |
| 3-6 | 0 | 26,881 | $0 | $26,157,124 | -$26,157,124 |
| 6-9 | 0 | 500 | $0 | $496,430 | -$496,430 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
W.W. GRAINGER, INC. executives and other stock owners filed with the SEC include:
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Susan Slavik Williams | Director | $1,104,754,537 | Mixed | 29 Apr 2026 | ||
| Donald G. Macpherson | Chairman and CEO, Director | $109,724,097 | -$25,957,458 | -19% | Mixed | 01 Apr 2026 |
| Neil S. Novich | Director | $43,130,096 | Mixed | 29 Apr 2026 | ||
| John L. Howard | Sr. VP and General Counsel | $31,712,951 | Mixed | 01 Apr 2022 | ||
| Stuart L. Levenick | Director | $22,864,892 | Mixed | 01 Mar 2025 | ||
| Michael James Roberts | Director | $22,081,992 | Mixed | 01 Mar 2023 | ||
| Paige K. Robbins | Sr. VP | $20,213,597 | -$1,795,450 | -8.2% | Mixed | 12 May 2026 |
| Brian P. Anderson | Director | $19,490,881 | Mixed | 01 Mar 2022 | ||
| Ann Hailey V | Director | $14,910,039 | Mixed | 01 Mar 2024 | ||
| E. Scott Santi | Director | $12,276,917 | Mixed | 29 Apr 2026 | ||
| Deidra C. Merriwether | Sr. VP & CFO | $11,831,112 | -$4,148,435 | -26% | Filing P/S | 01 Apr 2026 |
| Rodney C. Adkins | Director | $7,276,085 | Mixed | 29 Apr 2026 | ||
| Lucas E. Watson | Director | $6,708,810 | Mixed | 29 Apr 2026 | ||
| Beatriz R. Perez | Director | $5,836,978 | Mixed | 29 Apr 2026 | ||
| Krantz Nancy L. Berardinelli | Sr. VP & CLO | $3,825,308 | -$199,666 | -5% | Mixed | 01 Apr 2026 |
| Kathleen S. Carroll | SVP & Chief HR Officer | $3,420,802 | Mixed | 01 Apr 2023 | ||
| Steven Andrew White | Director | $3,414,239 | Mixed | 12 May 2026 | ||
| Melanie J. Tinto | SVP & Chief HR Officer | $3,406,599 | Median | 01 May 2026 | ||
| Katherine D. Jaspon | Director | $2,164,813 | Mixed | 12 May 2026 | ||
| Jonny M. LeRoy | SVP, Chief Technology Officer | $1,916,750 | -$1,547,757 | -45% | Filing P/S | 12 May 2026 |
| Matt Fortin | SVP & Chief HR Officer | $1,694,912 | Filing P/S | 20 Jun 2024 | ||
| George S. Davis | Director | $1,074,901 | Mixed | 29 Apr 2026 | ||
| Christopher J. Klein | Director | $573,438 | Mixed | 29 Apr 2026 | ||
| Laurie R. Thomson | VP, Controller | $493,335 | -$385,519 | -44% | Filing P/S | 12 May 2026 |
| Cindy J. Miller | Director | $410,958 | Mixed | 29 Apr 2026 |
Top shareholders of W.W. GRAINGER, INC. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
|
Vanguard Capital Management · Company |
7%
|
3,311,410
|
$3,612,119,473 | $0 | 31 Mar 2026 | |
| Susan Slavik Williams |
13D/G
3/4/5
|
Director |
5.7%
|
2,794,042
|
$2,847,547,904 | $0 | 31 Dec 2024 | |
| Donald G. Macpherson |
3/4/5
|
Chairman and CEO, Director |
0.23%
|
108,740
|
$109,724,097 | -$25,957,458 | 01 Apr 2026 | |
| Paige K. Robbins |
3/4/5
|
Sr. VP |
0.04%
|
18,236
|
$20,213,597 | -$1,795,450 | 12 May 2026 | |
| Krantz Nancy L. Berardinelli |
3/4/5
|
Sr. VP & CLO |
0.01%
|
3,791
|
$3,825,308 | -$199,666 | 01 Apr 2026 | |
| Melanie J. Tinto |
3/4/5
|
SVP & Chief HR Officer |
0.01%
|
3,123
|
$3,406,599 | — | 01 May 2026 | |
| Jonny M. LeRoy |
3/4/5
|
SVP, Chief Technology Officer |
0%
|
1,554
|
$1,916,750 | -$1,547,757 | 12 May 2026 | |
| Laurie R. Thomson |
3/4/5
|
VP, Controller |
0%
|
399
|
$493,335 | -$385,519 | 12 May 2026 | |
| BlackRock, Inc. |
13F
|
Company |
9.8%
|
4,641,675
|
$5,063,184,805 | — | 31 Mar 2026 | |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
|
Company |
4.9%
|
2,312,763
|
$2,522,785,008 | — | 31 Mar 2026 | |
| STATE STREET CORP |
13F
|
Company |
4.2%
|
1,994,093
|
$2,175,176,585 | — | 31 Mar 2026 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
2.6%
|
1,230,969
|
$1,337,827,652 | — | 31 Mar 2026 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
2.2%
|
1,032,852
|
$1,126,645,290 | — | 31 Mar 2026 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
1.9%
|
922,497
|
$1,006,268,997 | — | 31 Mar 2026 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.9%
|
905,422
|
$987,644,000 | — | 31 Mar 2026 | |
| Clearbridge Investments, LLC |
13F
|
Company |
1.8%
|
845,522
|
$922,303,561 | — | 31 Mar 2026 | |
| PARNASSUS INVESTMENTS, LLC |
13F
|
Company |
1.4%
|
651,243
|
$710,382,377 | — | 31 Mar 2026 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
1.3%
|
638,347
|
$696,315,290 | — | 31 Mar 2026 | |
| NORTHERN TRUST CORP |
13F
|
Company |
1.3%
|
619,348
|
$675,590,992 | — | 31 Mar 2026 | |
| MORGAN STANLEY |
13F
|
Company |
1.2%
|
545,570
|
$595,116,591 | — | 31 Mar 2026 | |
| FRANKLIN RESOURCES INC |
13F
|
Company |
1.1%
|
541,657
|
$590,844,748 | — | 31 Mar 2026 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
1.1%
|
527,969
|
$575,913,757 | — | 31 Mar 2026 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.99%
|
466,701
|
$509,082,434 | — | 31 Mar 2026 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.96%
|
453,353
|
$499,613,608 | — | 31 Mar 2026 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
0.86%
|
409,142
|
$446,210,091 | — | 31 Mar 2026 | |
| Invesco Ltd. |
13F
|
Company |
0.82%
|
389,833
|
$425,233,811 | — | 31 Mar 2026 | |
| STIFEL FINANCIAL CORP |
13F
|
Company |
0.76%
|
358,629
|
$391,226,643 | — | 31 Mar 2026 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.72%
|
343,030
|
$374,180,554 | — | 31 Mar 2026 | |
| Legal & General Group Plc |
13F
|
Company |
0.69%
|
325,945
|
$355,544,066 | — | 31 Mar 2026 | |
| FMR LLC |
13F
|
Company |
0.66%
|
314,661
|
$343,234,573 | — | 31 Mar 2026 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
0.63%
|
298,451
|
$315,531,072 | — | 31 Mar 2026 | |
| Amundi |
13F
|
Individual |
0.62%
|
292,857
|
$319,451,342 | — | 31 Mar 2026 | |
| VANGUARD FIDUCIARY TRUST CO |
13F
|
Company |
0.53%
|
252,399
|
$275,319,353 | — | 31 Mar 2026 | |
| FIL Ltd |
13F
|
Company |
0.53%
|
250,311
|
$273,041,742 | — | 31 Mar 2026 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.52%
|
245,555
|
$267,853,045 | — | 31 Mar 2026 | |
| Nuveen, LLC |
13F
|
Company |
0.51%
|
241,556
|
$263,491,701 | — | 31 Mar 2026 | |
| Sustainable Growth Advisers, LP |
13F
|
Company |
0.45%
|
210,918
|
$230,071,464 | — | 31 Mar 2026 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.37%
|
173,413
|
$189,160,635 | — | 31 Mar 2026 | |
| UBS Group AG |
13F
|
Company |
0.37%
|
173,165
|
$188,890,114 | — | 31 Mar 2026 | |
| STATE FARM MUTUAL AUTOMOBILE INSURANCE CO |
13F
|
Company |
0.36%
|
168,458
|
$183,755,671 | — | 31 Mar 2026 | |
| ProShare Advisors LLC |
13F
|
Company |
0.34%
|
162,598
|
$177,363,523 | — | 31 Mar 2026 | |
| CANADA LIFE ASSURANCE Co |
13F
|
Company |
0.34%
|
160,020
|
$175,503,000 | — | 31 Mar 2026 | |
| RAYMOND JAMES FINANCIAL INC |
13F
|
Company |
0.33%
|
155,518
|
$169,639,828 | — | 31 Mar 2026 | |
| HSBC HOLDINGS PLC |
13F
|
Company |
0.31%
|
144,596
|
$157,632,325 | — | 31 Mar 2026 | |
| Junto Capital Management LP |
13F
|
Company |
0.29%
|
136,237
|
$148,608,682 | — | 31 Mar 2026 | |
| Swiss National Bank |
13F
|
Company |
0.28%
|
132,560
|
$144,597,774 | — | 31 Mar 2026 | |
| Neuberger Berman Group LLC |
13F
|
Company |
0.28%
|
130,907
|
$142,494,938 | — | 31 Mar 2026 | |
| Deutsche Girozentrale DekaBank |
13F
|
Individual |
0.27%
|
128,721
|
$141,799,000 | — | 31 Mar 2026 | |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM |
13F
|
Company |
0.26%
|
122,476
|
$133,598,046 | — | 31 Mar 2026 | |
| ENVESTNET ASSET MANAGEMENT INC |
13F
|
Company |
0.25%
|
120,243
|
$131,162,567 | — | 31 Mar 2026 |
Recent Insider Transactions by Companies or Individuals for W.W. GRAINGER, INC.
Showing up to 300 most recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | Value $ | * Price $ | Shares | Shares Owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Laurie R. Thomson | GWW | Common Stock | Sale | -44% | $385,519 | $1231.69 | -313 | 399 | 12 May 2026 | Direct |
| Jonny M. LeRoy | GWW | Common Stock | Sale | -35.5% | $1,051,327 | $1231.06 | -854 | 1,554 | 12 May 2026 | Direct |
| Paige K. Robbins | GWW | Common Stock | Sale | -39.5% | $1,795,450 | $1232.29 | -1,457 | 2,232 | 12 May 2026 | Direct |
| Steven Andrew White | GWW | Deferred Stock Units | Gift | 11% | 288 | 2,913 | 12 May 2026 | By Family Trust | ||
| Steven Andrew White | GWW | Deferred Stock Units | Gift | -100% | -288 | 0 | 12 May 2026 | Direct | ||
| Katherine D. Jaspon | GWW | Deferred Stock Units | Gift | 18.5% | 288 | 1,847 | 12 May 2026 | Family Trust | ||
| Katherine D. Jaspon | GWW | Deferred Stock Units | Gift | -100% | -288 | 0 | 12 May 2026 | Direct | ||
| Melanie J. Tinto | GWW | Common Stock | Tax liability | -14.3% | -522 | 3,123 | 01 May 2026 | Direct | ||
| Susan Slavik Williams | GWW | Deferred Stock Units | Award | 13.2% | 288 | 2,464 | 29 Apr 2026 | Direct | ||
| Steven Andrew White | GWW | Deferred Stock Units | Award | 288 | 288 | 29 Apr 2026 | Direct | |||
| Lucas E. Watson | GWW | Deferred Stock Units | Award | 5.04% | 288 | 5,999 | 29 Apr 2026 | Direct | ||
| Ernest Scott Santi | GWW | Deferred Stock Units | Award | 1.69% | 176 | 10,612 | 29 Apr 2026 | Direct | ||
| Beatriz R. Perez | GWW | Deferred Stock Units | Award | 4.8% | 245 | 5,344 | 29 Apr 2026 | Direct | ||
| Neil S. Novich | GWW | Deferred Stock Units | Award | 0.87% | 288 | 33,577 | 29 Apr 2026 | Direct | ||
| Cindy J. Miller | GWW | Deferred Stock Units | Award | 49% | 176 | 535 | 29 Apr 2026 | Direct | ||
| Christopher J. Klein | GWW | Deferred Stock Units | Award | 40.1% | 176 | 615 | 29 Apr 2026 | Direct | ||
| Katherine D. Jaspon | GWW | Deferred Stock Units | Award | 288 | 288 | 29 Apr 2026 | Direct | |||
| George S. Davis | GWW | Deferred Stock Units | Award | 33.9% | 318 | 1,257 | 29 Apr 2026 | Direct | ||
| Rodney C. Adkins | GWW | Deferred Stock Units | Award | 2.95% | 176 | 6,151 | 29 Apr 2026 | Direct | ||
| Deidra C. Merriwether | GWW | Common Stock | Sale | -12.4% | $1,658,042 | $1114.28 | -1,488 | 10,541 | 02 Apr 2026 | Direct |
| Deidra C. Merriwether | GWW | Common Stock | Tax liability | -9.49% | -1,152 | 10,993 | 01 Apr 2026 | Direct | ||
| Deidra C. Merriwether | GWW | Common Stock | Award | 30.5% | 2,946 | 12,612 | 01 Apr 2026 | Direct | ||
| Melanie J. Tinto | GWW | Common Stock | Award | 26.5% | 764 | 3,645 | 01 Apr 2026 | Direct | ||
| Laurie R. Thomson | GWW | Common Stock | Tax liability | -16.4% | -134 | 684 | 01 Apr 2026 | Direct | ||
| Laurie R. Thomson | GWW | Common Stock | Award | 50.2% | 268 | 802 | 01 Apr 2026 | Direct | ||
| Paige K. Robbins | GWW | Common Stock | Tax liability | -26% | -1,087 | 3,095 | 01 Apr 2026 | Direct | ||
| Paige K. Robbins | GWW | Common Stock | Award | 139.2% | 2,461 | 4,229 | 01 Apr 2026 | Direct | ||
| Donald G. Macpherson | GWW | Common Stock | Tax liability | -3.52% | -3,898 | 106,832 | 01 Apr 2026 | Direct | ||
| Donald G. Macpherson | GWW | Common Stock | Award | 8.62% | 8,753 | 110,293 | 01 Apr 2026 | Direct | ||
| Jonny M. LeRoy | GWW | Common Stock | Tax liability | -14.5% | -359 | 2,121 | 01 Apr 2026 | Direct | ||
| Jonny M. LeRoy | GWW | Common Stock | Award | 61.4% | 996 | 2,619 | 01 Apr 2026 | Direct | ||
| Krantz Nancy L. Berardinelli | GWW | Common Stock | Tax liability | -19.1% | -772 | 3,277 | 01 Apr 2026 | Direct | ||
| Krantz Nancy L. Berardinelli | GWW | Common Stock | Award | 73.2% | 1,766 | 4,180 | 01 Apr 2026 | Direct | ||
| Deidra C. Merriwether | GWW | Common Stock | Sale | -18.6% | $2,490,393 | $1064.73 | -2,339 | 10,235 | 24 Mar 2026 | Direct |
| Deidra C. Merriwether | GWW | Common Stock | Options Exercise | 22.8% | 2,339 | 12,574 | 24 Mar 2026 | Direct | ||
| Deidra C. Merriwether | GWW | Stock Option | Options Exercise | -100% | -2,339 | 0 | 24 Mar 2026 | Direct | ||
| Susan Slavik Williams | GWW | Deferred Stock Units | Award | 0.23% | 5 | 2,176 | 01 Mar 2026 | Direct | ||
| Steven Andrew White | GWW | Deferred Stock Units | Gift | 0.19% | 5 | 2,625 | 01 Mar 2026 | By Family Trust | ||
| Steven Andrew White | GWW | Deferred Stock Units | Gift | -100% | -5 | 0 | 01 Mar 2026 | Direct | ||
| Steven Andrew White | GWW | Deferred Stock Units | Award | 5 | 5 | 01 Mar 2026 | Direct | |||
| Lucas E. Watson | GWW | Deferred Stock Units | Award | 0.19% | 11 | 5,711 | 01 Mar 2026 | Direct | ||
| Ernest Scott Santi | GWW | Deferred Stock Units | Award | 0.2% | 21 | 10,436 | 01 Mar 2026 | Direct | ||
| Beatriz R. Perez | GWW | Deferred Stock Units | Award | 0.2% | 10 | 5,099 | 01 Mar 2026 | Direct | ||
| Neil S. Novich | GWW | Deferred Stock Units | Award | 0.2% | 66 | 33,289 | 01 Mar 2026 | Direct | ||
| Cindy J. Miller | GWW | Deferred Stock Units | Award | 0.28% | 1 | 359 | 01 Mar 2026 | Direct | ||
| Christopher J. Klein | GWW | Deferred Stock Units | Award | 0 | 439 | 01 Mar 2026 | Direct | |||
| Katherine D. Jaspon | GWW | Deferred Stock Units | Gift | 0.26% | 4 | 1,559 | 01 Mar 2026 | Family Trust | ||
| Katherine D. Jaspon | GWW | Deferred Stock Units | Gift | -100% | -4 | 0 | 01 Mar 2026 | Direct | ||
| Katherine D. Jaspon | GWW | Deferred Stock Units | Award | 4 | 4 | 01 Mar 2026 | Direct | |||
| George S. Davis | GWW | Deferred Stock Units | Award | 0.21% | 2 | 939 | 01 Mar 2026 | Direct |
* An asterisk sign (*) next to the price indicates that the price is likely invalid.