Deidra C. Merriwether - 24 Mar 2026 Form 4 Insider Report for W.W. GRAINGER, INC. (GWW)

Reporting relationship: Sr. VP & CFO
Issuer ticker: GWW
Reported as of: 24 Mar 2026
Net transaction value: -$2,490,393
SEC form: 4
Accepted by SEC: 25 Mar 2026, 17:14:52 UTC
Prior SEC filing: 13 May 2025
Next SEC filing: 02 Apr 2026
Source filing: View source filing
Reporting owner signature: /s/ Cherita Thomas, by POA from Deidra C. Merriwether, Sr. VP & CFO

Key filing fact

Deidra C. Merriwether filed Form 4 for W.W. GRAINGER, INC. (GWW) on 25 Mar 2026.

Key facts

This page summarizes Deidra C. Merriwether's Form 4 filing for W.W. GRAINGER, INC. (GWW).
14 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 25 Mar 2026, 17:14.

Change

Previous filing in this sequence was filed on 13 May 2025.
Current net transaction value: -$2,490,393.

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 0001757570 Primary reporting owner

Merriwether Deidra C

Relationship: Sr. VP & CFO
Address: 100 GRAINGER PARKWAY, LAKE FOREST
Signature: /s/ Cherita Thomas, by POA from Deidra C. Merriwether, Sr. VP & CFO
Signature date: 25 Mar 2026

Reported non-derivative transactions

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

GWW transaction

Common Stock

Options Exercise

Transaction value
Shares: +2,339
Change %: +23%
Price: $311.26^*
Shares after: 12,574
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1

GWW transaction

Common Stock

Sale

Transaction value: $41,794
Shares: -40
Change %: -0.32%
Price: $1044.84
Shares after: 12,534
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F2

GWW transaction

Common Stock

Sale

Transaction value: $167,682
Shares: -160
Change %: -1.3%
Price: $1048.02
Shares after: 12,374
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F3

GWW transaction

Common Stock

Sale

Transaction value: $84,062
Shares: -80
Change %: -0.65%
Price: $1050.78
Shares after: 12,294
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F4

GWW transaction

Common Stock

Sale

Transaction value: $212,075
Shares: -200
Change %: -1.6%
Price: $1060.38
Shares after: 12,094
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F5

GWW transaction

Common Stock

Sale

Transaction value: $371,356
Shares: -349
Change %: -2.9%
Price: $1064.06
Shares after: 11,745
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F6

GWW transaction

Common Stock

Sale

Transaction value: $159,685
Shares: -150
Change %: -1.3%
Price: $1064.57
Shares after: 11,595
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F7

GWW transaction

Common Stock

Sale

Transaction value: $377,609
Shares: -354
Change %: -3.1%
Price: $1066.69
Shares after: 11,241
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F8

GWW transaction

Common Stock

Sale

Transaction value: $208,251
Shares: -195
Change %: -1.7%
Price: $1067.95
Shares after: 11,046
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F9

GWW transaction

Common Stock

Sale

Transaction value: $353,771
Shares: -331
Change %: -3%
Price: $1068.79
Shares after: 10,715
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F10

GWW transaction

Common Stock

Sale

Transaction value: $256,844
Shares: -240
Change %: -2.2%
Price: $1070.18
Shares after: 10,475
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F11

GWW transaction

Common Stock

Sale

Transaction value: $128,558
Shares: -120
Change %: -1.1%
Price: $1071.32
Shares after: 10,355
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F12

GWW transaction

Common Stock

Sale

Transaction value: $128,707
Shares: -120
Change %: -1.2%
Price: $1072.56
Shares after: 10,235
Date: 24 Mar 2026
Ownership: Direct
Footnotes: F1, F13

Reported derivative securities

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

GWW transaction Derivative

Stock Option

Options Exercise

Transaction value
Shares: -2,339
Change %: -100%
Price: $0.000000^*
Shares after: 0
Date: 24 Mar 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 2,339
Exercise price: $311.26
Footnotes: F1, F14

^* 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 14 footnotes

Footnote F1

Transaction pursuant to a Rule 10b5-1 trading program adopted on December 23, 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 $1,044.54 to $1,044.99, 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 (13).

Footnote F3

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $1,047.54 to $1,048.49, 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 $1,050.78 to $1,050.78, 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 $1,059.84 to $1,060.70, 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 $1,063.37 to $1,064.35, 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 $1,064.41 to $1,064.77, 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 $1,066.19 to $1,067.08, 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 $1,067.26 to $1,068.20, 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 $1,068.27 to $1,069.17, 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 $1,069.81 to $1,070.64, 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 $1,070.96 to $1,071.75, 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 $1,071.98 to $1,072.93, inclusive.

Footnote F14

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.