Through the 90-day period concluding February 10, 2026, SiteOne Landscape Supply's top three insider stakeholders include Ceo Doug Black (491.59K shares), Director William W Iii Douglas (17.93K shares), Director Jack L Wyszomierski (17.93K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Doug Black | Ceo | 491,587 | 09 Feb, 2026 |
| Jack L Wyszomierski | 17,934 | 16 May, 2025 | |
| William W Iii Douglas | 17,934 | 16 May, 2025 | |
| Joseph Ketter | Evp And Human Resources | 14,029 | 09 Feb, 2026 |
| John T Guthrie | Evp And Cfo And Assistant Sec. | 13,569 | 01 Dec, 2025 |
| Scott Salmon | Evp And Strategy & Development | 12,901 | 09 Feb, 2026 |
| Fred M Diaz | 11,267 | 03 Sep, 2025 | |
| L Briley Jr Brisendine | Evp And General Counsel & Sec. | 11,175 | 13 Feb, 2025 |
| Webster Roy Dunbar | 10,485 | 16 May, 2025 | |
| Greg Weller | Evp Of Operations | 10,260 | 17 Sep, 2021 |
| Jeri L Isbell | 9,439 | 09 May, 2025 | |
| Shannon Versaggi | Evp Mktg And Cat. Mgmt. & Pricing | 6,460 | 09 Feb, 2026 |
| Larisa Drake | 6,188 | 09 May, 2025 | |
| Judith S Sansone | 1,990 | 16 May, 2025 | |
| Eric J Elema | Evp And Cfo And Assistant Sec. | 735 | 09 Feb, 2026 |
| Travis Ryan Jackson | General Counsel & Secretary | 475 | 09 Feb, 2026 |
* 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 |
|---|---|---|---|---|---|---|---|---|
| 05 Feb, 2026 | Doug Black | Common Stock | D | 1,049 | $148.03 | 487,996 | D | F |
| 05 Feb, 2026 | Doug Black | Common Stock | A | 3,865 | - | 489,045 | D | M |
| 05 Feb, 2026 | Joseph Ketter | Common Stock | A | 644 | - | 14,307 | D | M |
| 05 Feb, 2026 | Joseph Ketter | Common Stock | D | 278 | $148.03 | 14,029 | D | F |
| 05 Feb, 2026 | Scott Salmon | Common Stock | A | 667 | - | 13,142 | D | M |
| 05 Feb, 2026 | Scott Salmon | Common Stock | D | 241 | $148.03 | 12,901 | D | F |
| 05 Feb, 2026 | Shannon Versaggi | Common Stock | D | 262 | $148.03 | 6,460 | D | F |
| 05 Feb, 2026 | Shannon Versaggi | Common Stock | A | 644 | - | 6,722 | D | M |
| 05 Feb, 2026 | Travis Ryan Jackson | Common Stock | A | 368 | - | 602 | D | M |
| 05 Feb, 2026 | Travis Ryan Jackson | Common Stock | D | 127 | $148.03 | 475 | D | F |
| 05 Feb, 2026 | Eric J Elema | Common Stock | D | 46 | $148.03 | 735 | D | F |
| 05 Feb, 2026 | Eric J Elema | Common Stock | A | 167 | - | 781 | D | M |
| 02 Dec, 2025 | Travis Ryan Jackson | Common Stock | A | 330 | - | 330 | D | M |
| 02 Dec, 2025 | Travis Ryan Jackson | Common Stock | D | 96 | $133.15 | 234 | D | F |
| 26 Nov, 2025 | John T Guthrie | Common Stock | D | 1,915 | $134.83 | 13,569 | D | S |
| 20 Nov, 2025 | John T Guthrie | Common Stock | D | 230 | $0.00 | 15,484 | D | G |
| 20 Nov, 2025 | John T Guthrie | - | - | 15,484 | D | |||
| 19 Nov, 2025 | John T Guthrie | Common Stock | D | 230 | $0.00 | 15,714 | D | G |
| 19 Nov, 2025 | John T Guthrie | - | - | 15,714 | D | |||
| 04 Nov, 2025 | Doug Black | Common Stock | D | 8,000 | $0.00 | 485,180 | D | G |