| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| LeRoy Jonny M | SVP, Chief Technology Officer | 100 GRAINGER PARKWAY, LAKE FOREST | /s/ Paul Stanukinas, by POA from Jonny LeRoy, Sr. VP and Chief Technology Officer | 11 Sep 2025 | 0002043378 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | GWW | Common Stock | Sale | $26,794 | -27 | -1.2% | $992.36 | 2,244 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $27,790 | -28 | -1.2% | $992.49 | 2,216 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $21,835 | -22 | -0.99% | $992.51 | 2,194 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $5,955 | -6 | -0.27% | $992.52 | 2,188 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $22,830 | -23 | -1.1% | $992.59 | 2,165 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $4,963 | -5 | -0.23% | $992.60 | 2,160 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $62,534 | -63 | -2.9% | $992.61 | 2,097 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $14,890 | -15 | -0.72% | $992.67 | 2,082 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $993 | -1 | -0.05% | $992.87 | 2,081 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $99,289 | -100 | -4.8% | $992.89 | 1,981 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $25,817 | -26 | -1.3% | $992.95 | 1,955 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $83,419 | -84 | -4.3% | $993.08 | 1,871 | 09 Sep 2025 | Direct | |
| transaction | GWW | Common Stock | Sale | $99,322 | -100 | -5.3% | $993.22 | 1,771 | 09 Sep 2025 | Direct |
Exhibit 24 - Power of Attorney.