Donald G. Macpherson - 04 Dec 2025 Form 4 Insider Report for W.W. GRAINGER, INC. (GWW)

Source evidence Original filing metadata and source links for verification. 5 source fields
SEC form
4
Accepted by SEC
08 Dec 2025, 18:13:48 UTC
Prior SEC filing
03 Apr 2025
Next SEC filing
28 Jan 2026
Source filing
View source filing
Reporting owner 1 detail
Reporting owner signature
/s/ Paul Stanukinas, by POA from Donald G. Macpherson, Chairman and CEO

Key filing fact

Donald G. Macpherson filed Form 4 for W.W. GRAINGER, INC. (GWW) on 08 Dec 2025.

Key facts

  • This page summarizes Donald G. Macpherson's Form 4 filing for W.W. GRAINGER, INC. (GWW).
  • 29 reported transactions and 3 derivative rows are listed below.
  • Accepted by SEC: 08 Dec 2025, 18:13.

Change

  • Previous filing in this sequence was filed on 03 Apr 2025.
  • Current net transaction value: -$16,413,293.

Research use

  • This tells you what this filing adds before you inspect full transaction and derivative tables.
  • You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001451437 Primary reporting owner

Macpherson Donald G

Relationship
Chairman and CEO, Director
Address
100 GRAINGER PARKWAY, LAKE FOREST
Signature
/s/ Paul Stanukinas, by POA from Donald G. Macpherson, Chairman and CEO
Signature date
08 Dec 2025

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

GWW transaction

Common Stock

Options Exercise

Transaction value
$3,268,230
Shares
+10,500
Change %
+10%
Price
$311.26
Shares after
114,385
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1
GWW transaction

Common Stock

Options Exercise

Transaction value
$2,490,080
Shares
+8,000
Change %
+7%
Price
$311.26
Shares after
122,385
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1
GWW transaction

Common Stock

Sale

Transaction value
$1,847,591
Shares
-1,907
Change %
-1.6%
Price
$968.85
Shares after
120,478
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F2
GWW transaction

Common Stock

Sale

Transaction value
$1,357,168
Shares
-1,400
Change %
-1.2%
Price
$969.41
Shares after
119,078
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F3
GWW transaction

Common Stock

Sale

Transaction value
$732,698
Shares
-755
Change %
-0.63%
Price
$970.46
Shares after
118,323
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F4
GWW transaction

Common Stock

Sale

Transaction value
$985,982
Shares
-1,015
Change %
-0.86%
Price
$971.41
Shares after
117,308
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F5
GWW transaction

Common Stock

Sale

Transaction value
$1,127,268
Shares
-1,159
Change %
-0.99%
Price
$972.62
Shares after
116,149
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F6
GWW transaction

Common Stock

Sale

Transaction value
$2,484,837
Shares
-2,552
Change %
-2.2%
Price
$973.68
Shares after
113,597
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F7
GWW transaction

Common Stock

Sale

Transaction value
$2,895,101
Shares
-2,971
Change %
-2.6%
Price
$974.45
Shares after
110,626
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F8
GWW transaction

Common Stock

Sale

Transaction value
$1,798,674
Shares
-1,844
Change %
-1.7%
Price
$975.42
Shares after
108,782
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F9
GWW transaction

Common Stock

Sale

Transaction value
$703,136
Shares
-720
Change %
-0.66%
Price
$976.58
Shares after
108,062
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F10
GWW transaction

Common Stock

Sale

Transaction value
$195,682
Shares
-200
Change %
-0.19%
Price
$978.41
Shares after
107,862
Date
04 Dec 2025
Ownership
Direct
Footnotes
F1, F11
GWW transaction

Common Stock

Gift

Transaction value
$0
Shares
-3,977
Change %
-3.7%
Price
$0.000000
Shares after
103,885
Date
04 Dec 2025
Ownership
Direct
GWW transaction

Common Stock

Options Exercise

Transaction value
$3,785,855
Shares
+12,163
Change %
+12%
Price
$311.26
Shares after
116,048
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1
GWW transaction

Common Stock

Sale

Transaction value
$46,221
Shares
-48
Change %
-0.04%
Price
$962.93
Shares after
116,000
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F12
GWW transaction

Common Stock

Sale

Transaction value
$107,011
Shares
-111
Change %
-0.1%
Price
$964.06
Shares after
115,889
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F13
GWW transaction

Common Stock

Sale

Transaction value
$965
Shares
-1
Change %
-0%
Price
$965.19
Shares after
115,888
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1
GWW transaction

Common Stock

Sale

Transaction value
$232,191
Shares
-240
Change %
-0.21%
Price
$967.46
Shares after
115,648
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F14
GWW transaction

Common Stock

Sale

Transaction value
$798,121
Shares
-824
Change %
-0.71%
Price
$968.59
Shares after
114,824
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F15
GWW transaction

Common Stock

Sale

Transaction value
$670,113
Shares
-691
Change %
-0.6%
Price
$969.77
Shares after
114,133
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F16
GWW transaction

Common Stock

Sale

Transaction value
$1,341,109
Shares
-1,382
Change %
-1.2%
Price
$970.41
Shares after
112,751
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F17
GWW transaction

Common Stock

Sale

Transaction value
$994,126
Shares
-1,023
Change %
-0.91%
Price
$971.77
Shares after
111,728
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F18
GWW transaction

Common Stock

Sale

Transaction value
$1,232,496
Shares
-1,267
Change %
-1.1%
Price
$972.77
Shares after
110,461
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F19
GWW transaction

Common Stock

Sale

Transaction value
$1,849,929
Shares
-1,900
Change %
-1.7%
Price
$973.65
Shares after
108,561
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F20
GWW transaction

Common Stock

Sale

Transaction value
$4,076,198
Shares
-4,183
Change %
-3.9%
Price
$974.47
Shares after
104,378
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F21
GWW transaction

Common Stock

Sale

Transaction value
$480,841
Shares
-493
Change %
-0.47%
Price
$975.34
Shares after
103,885
Date
05 Dec 2025
Ownership
Direct
Footnotes
F1, F22

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

GWW transaction Derivative

Stock Option

Options Exercise

Transaction value
$0
Shares
-10,500
Change %
-34%
Price
$0.000000
Shares after
20,163
Date
04 Dec 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
10,500
Exercise price
$311.26
Footnotes
F1, F23
GWW transaction Derivative

Stock Option

Options Exercise

Transaction value
$0
Shares
-8,000
Change %
-40%
Price
$0.000000
Shares after
12,163
Date
04 Dec 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
8,000
Exercise price
$311.26
Footnotes
F1, F23
GWW transaction Derivative

Stock Option

Options Exercise

Transaction value
$0
Shares
-12,163
Change %
-100%
Price
$0.000000
Shares after
0
Date
05 Dec 2025
Ownership
Direct
Underlying class
Common Stock
Underlying amount
12,163
Exercise price
$311.26
Footnotes
F1, F23
* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Rule 10b5-1 trading plan

These transactions were reported as open-market trades under a Rule 10b5-1 plan. The plan lets an insider set trading instructions in advance, which can reduce the risk of trading while in possession of material nonpublic information.

Original filing language: transaction made pursuant to a contract, instruction, or written plan intended to satisfy Rule 10b5-1(c).

Explanation of responses 23 footnotes

Footnote F1

Transaction pursuant to a Rule 10b5-1 trading program adopted on September 4, 2025.

Footnote F2

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $967.95 to $968.91, inclusive. The reporting person undertakes to provide W.W. Grainger, Inc., any security holder of W.W. Grainger, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2) through (22).

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $969.03 to $970.00, inclusive.

Footnote F4

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $970.04 to $971.00, inclusive.

Footnote F5

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $971.04 to $971.98, inclusive.

Footnote F6

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $972.06 to $973.05, inclusive.

Footnote F7

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $973.07 to $974.06, inclusive.

Footnote F8

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $974.07 to $975.03, inclusive.

Footnote F9

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $975.10 to $976.09, inclusive.

Footnote F10

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $976.17 to $977.05, inclusive.

Footnote F11

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $977.73 to $978.66, inclusive.

Footnote F12

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $962.73 to $963.54, inclusive.

Footnote F13

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $963.80 to $964.72, inclusive.

Footnote F14

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $967.05 to $968.00, inclusive.

Footnote F15

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $968.07 to $969.03, inclusive.

Footnote F16

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $969.07 to $970.05, inclusive.

Footnote F17

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $970.08 to $971.05, inclusive.

Footnote F18

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $971.12 to $972.08, inclusive.

Footnote F19

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $972.13 to $973.12, inclusive.

Footnote F20

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $973.14 to $974.13, inclusive.

Footnote F21

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $974.15 to $975.14, inclusive.

Footnote F22

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $975.16 to $975.80, inclusive.

Footnote F23

The stock option fully vested in three years, where 1/3 vested on April 1, 2020, 1/3 vested on April 1, 2021, and the remainder vested on April 1, 2022.

SEC remarks

Exhibits: Exhibit 24 - Power of Attorney.

We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .