Insider / W.W. GRAINGER, INC.
Merriwether Deidra C
Sr. VP & CFO at W.W. GRAINGER, INC.
- Company
- W.W. GRAINGER, INC.
- First filing on record
- March 25, 2026
- Latest trade on record
- May 15, 2026
- SEC filings
- EDGAR ↗
Merriwether Deidra C, Sr. VP & CFO at W.W. GRAINGER, INC., has disclosed 33 transactions in WY, GWW since March 25, 2026: 0 purchases (0 open-market buys) and 28 sales, worth about $6.1M at the reported prices. The latest was filed May 19, 2026, 4 days after the trade.
Trading in charts
Trade timeline
When does this person trade, how big, and in which direction? Every trade in the last 12 months.
In the last 12 months Merriwether Deidra C made no purchases and 28 sales worth $5.4M, plus 5 other transactions. Dot size is the dollar amount.
Portfolio mix
Which stocks does this person trade most? Tile size is dollars traded, all time on record.
Merriwether Deidra C has traded 1 stock on record; the largest by dollars is GWW.
Reporting lag
Does this person report on time? One bar per filing against the Form 4 deadline.
0 of 3 filings on record were reported after the Form 4 deadline (two business days, counted here as 4 calendar days).
What kind of transactions
Most Form 4 rows are pay arriving or tax being withheld, not a decision to buy or sell. Only code P is an open-market purchase and code S an open-market sale. What each code means: Form 4 transaction codes.
| Code | Meaning | Rows | Shares | Value |
|---|---|---|---|---|
| S | Open-market sale | 24 | 3,827 | $4.1M |
| F | Shares withheld for tax | 4 | 1,152 | $1.3M |
| A | Grant or award | 3 | 10,778 | — |
| M | Option exercise or conversion | 2 | 4,678 | $728K |
| Year | Rows | Bought | Sold |
|---|---|---|---|
| 2026 | 33 | 0 | 28 · $5.4M |
Transactions
| Security | Side | Trade date | Disclosed | Lag | Shares | Price | Value | Flags | Source | Share |
|---|---|---|---|---|---|---|---|---|---|---|
| WY | Other A | May 15, 2026 | May 19, 2026 | 4d | 7,832 | — | — | derivative | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 40 | $1,122 | $45K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 40 | $1,120 | $45K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 160 | $1,119 | $179K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 280 | $1,118 | $313K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 128 | $1,117 | $143K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 240 | $1,115 | $268K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 120 | $1,114 | $134K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 280 | $1,112 | $311K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 40 | $1,110 | $44K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 40 | $1,108 | $44K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 40 | $1,102 | $44K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | April 2, 2026 | April 2, 2026 | 0d | 80 | $1,097 | $88K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell F | April 1, 2026 | April 2, 2026 | 1d | 201 | $1,091 | $219K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell F | April 1, 2026 | April 2, 2026 | 1d | 164 | $1,091 | $179K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell F | April 1, 2026 | April 2, 2026 | 1d | 218 | $1,091 | $238K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Other A | April 1, 2026 | April 2, 2026 | 1d | 1,619 | — | — | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell F | April 1, 2026 | April 2, 2026 | 1d | 569 | $1,091 | $621K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Other A | April 1, 2026 | April 2, 2026 | 1d | 1,327 | — | — | 10b5-1 plan | Form 4 ↗ | |
| GWW | Option / conversion M | March 24, 2026 | March 25, 2026 | 1d | 2,339 | — | — | 10b5-1 planderivative | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 120 | $1,073 | $129K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 120 | $1,071 | $129K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 240 | $1,070 | $257K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 331 | $1,069 | $354K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 195 | $1,068 | $208K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 354 | $1,067 | $378K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 150 | $1,065 | $160K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 349 | $1,064 | $371K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 200 | $1,060 | $212K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 80 | $1,051 | $84K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 160 | $1,048 | $168K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Sell S | March 24, 2026 | March 25, 2026 | 1d | 40 | $1,045 | $42K | 10b5-1 plan | Form 4 ↗ | |
| GWW | Option / conversion M | March 24, 2026 | March 25, 2026 | 1d | 2,339 | $311 | $728K | 10b5-1 plan | Form 4 ↗ |
Filings
| Filed | Form | Accession | Rows | Status | Source |
|---|---|---|---|---|---|
| May 19, 2026 | Form 4 | 0001757570-26-000003 | 1 | published | EDGAR ↗ |
| April 2, 2026 | Form 4 | 0000277135-26-000031 | 18 | published | EDGAR ↗ |
| March 25, 2026 | Form 4 | 0000277135-26-000025 | 14 | published | EDGAR ↗ |
Other insiders at W.W. GRAINGER, INC.
- Macpherson Donald G Chairman and CEO 40 rows
- SANTI ERNEST SCOTT Director 26 rows
- White Steven Andrew Director 22 rows
- Perez Beatriz R Executive Vice President 18 rows
- Jaspon Katherine D. Director 16 rows
- Thomson Laurie R VP, Controller 13 rows
- Robbins Paige K Director 12 rows
- LeRoy Jonny M SVP, Chief Technology Officer 11 rows
- NOVICH NEIL S Director 10 rows
- Berardinelli Krantz Nancy L Sr. VP & CLO 9 rows
Everyone on file, with contracts and lobbying under the company's name: W.W. GRAINGER, INC..
Guides for this page
- What is SEC Form 4? Who files: officers, directors and owners of more than 10% of a class of the company's shares.
- Form 4 transaction codes P = purchase. S = sale. These are the two market trades.
- Insider buying vs insider selling Selling outweighs buying by a wide margin in normal times.
- Rule 10b5-1 trading plans The plan must be set up when the insider has no important non-public information.
- Options and derivatives on Form 4 Table I = shares. Table II = options and other derivatives.
Sources and method
| Source | Filings | Rows | First filed | Newest filed | Read the originals |
|---|---|---|---|---|---|
| SEC EDGAR, Form 4 | 3 | 33 | March 25, 2026 | May 19, 2026 | Form 4 list on EDGAR |
Site built October 22, 2026. Every row in the tables above links to its own filing. To quote a figure, use the Cite button at the top of the page; see how to cite and reuse.
Every row comes from the reporting owner's Form 4 as filed with the SEC (EDGAR ownership XML), read daily. "Value" is shares × the reported price; code P is an open-market purchase, S a sale, M an option exercise, A a grant. The lag is the filing date minus the trade date; Form 4 is due within two business days. Amendments (4/A) are not merged. Details on the methodology page; report an error on corrections.
Not investment advice. Figures are public disclosures shown as filed; they may lag the trade and may be amended later. No recommendation is made or implied.