As of March 23, 2026, the three largest insider holders of GWW are Donald G Macpherson (Chairman And Ceo, 103.89K shares), John L Howard (Sr. Vp And General Counsel, 20.57K shares), Paige K Robbins (Sr. Vp, 18.32K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Donald G Macpherson | Chairman And Ceo | 103,885 | 0 | 08 Dec, 2025 |
| John L Howard | Sr. Vp And General Counsel | 20,567 | 0 | 04 Apr, 2022 |
| Paige K Robbins | Sr. Vp | 2,315 | 16,004 | 27 May, 2025 |
| Deidra C Merriwether | Sr. Vp Cfo | 10,235 | 0 | 03 Apr, 2025 |
| Kathleen S Carroll | Svp Chief Hr Officer | 4,268 | 0 | 04 Apr, 2023 |
| Krantz Nancy L Berardinelli | Sr. Vp Clo | 3,174 | 0 | 17 Dec, 2025 |
| Melanie J Tinto | Svp Chief Hr Officer | 2,881 | 0 | 02 May, 2025 |
| Eric R Tapia | Vice President Controller | 2,716 | 0 | 05 Apr, 2021 |
| Matt Fortin | Svp Chief Hr Officer | 1,848 | 0 | 24 Jun, 2024 |
| Jonny M Leroy | Svp, Chief Technology Officer | 1,771 | 0 | 11 Sep, 2025 |
| Laurie R Thomson | Vp, Controller | 578 | 0 | 08 May, 2025 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 01 Mar, 2026 | Beatriz R Perez | Deferred Stock Units | A | 10 | $1,144.73 | 5,099 | D | A |
| 01 Mar, 2026 | George S Davis | Deferred Stock Units | A | 2 | $1,144.73 | 939 | D | A |
| 01 Mar, 2026 | Cindy J Miller | Deferred Stock Units | A | 1 | $1,144.73 | 359 | D | A |
| 01 Mar, 2026 | Beatriz R Perez | Deferred Stock Units | A | 10 | $1,144.73 | 5,099 | D | A |
| 01 Mar, 2026 | Katherine D. Jaspon | Deferred Stock Units | A | 4 | $1,144.73 | 4 | D | A |
| 01 Mar, 2026 | Steven Andrew White | Deferred Stock Units | A | 5 | $1,144.73 | 5 | D | A |
| 01 Mar, 2026 | Katherine D. Jaspon | Deferred Stock Units | D | 4 | $0.00 | 0 | D | G |
| 01 Mar, 2026 | Lucas E Watson | Deferred Stock Units | A | 11 | $1,144.73 | 5,711 | D | A |
| 01 Mar, 2026 | Ernest Scott Santi | Deferred Stock Units | A | 21 | $1,144.73 | 10,436 | D | A |
| 01 Mar, 2026 | Neil S Novich | Deferred Stock Units | A | 66 | $1,144.73 | 33,289 | D | A |
| 01 Mar, 2026 | Steven Andrew White | Deferred Stock Units | D | 5 | $0.00 | 0 | D | G |
| 01 Mar, 2026 | Rodney C Adkins | Deferred Stock Units | A | 12 | $1,144.73 | 5,975 | D | A |
| 01 Mar, 2026 | Steven Andrew White | Deferred Stock Units | A | 5 | $0.00 | 2,625 | I | G |
| 01 Mar, 2026 | Katherine D. Jaspon | Deferred Stock Units | A | 4 | $0.00 | 1,559 | I | G |
| 01 Mar, 2026 | Susan Slavik Williams | Deferred Stock Units | A | 5 | $1,144.73 | 2,176 | D | A |
| 16 Dec, 2025 | Krantz Nancy L Berardinelli | Common Stock | D | 195 | $1,023.93 | 3,174 | D | S |
| 04 Dec, 2025 | Donald G Macpherson | Common Stock | A | 10,500 | $311.26 | 114,385 | D | M |
| 04 Dec, 2025 | Donald G Macpherson | Common Stock | A | 8,000 | $311.26 | 122,385 | D | M |
| 04 Dec, 2025 | Donald G Macpherson | Common Stock | D | 1,907 | $968.85 | 120,478 | D | S |
| 04 Dec, 2025 | Donald G Macpherson | Common Stock | D | 1,400 | $969.41 | 119,078 | D | S |