SiteOne Landscape Supply's top three insider shareholders as of March 23, 2026 are Doug Black (Ceo, 495.75K shares), Jack L Wyszomierski (Director, 17.93K shares), Joseph Ketter (Evp, Human Resources, 14.64K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Doug Black | Ceo | 482,161 | 13,591 | 17 Feb, 2026 |
| Jack L Wyszomierski | 17,934 | 0 | 16 May, 2025 | |
| Joseph Ketter | Evp, Human Resources | 14,636 | 0 | 12 Feb, 2026 |
| Scott Salmon | Evp, Strategy Development | 13,705 | 0 | 12 Feb, 2026 |
| John T Guthrie | Evp, Cfo And Assistant Sec. | 13,569 | 0 | 01 Dec, 2025 |
| Fred M Diaz | 11,267 | 0 | 03 Sep, 2025 | |
| L Briley Jr Brisendine | Evp, General Counsel Sec. | 11,175 | 0 | 13 Feb, 2025 |
| Greg Weller | Evp Of Operations | 10,260 | 0 | 17 Sep, 2021 |
| Shannon Versaggi | Evp Mktg, Cat. Mgmt. Pricing | 7,143 | 0 | 12 Feb, 2026 |
| Larisa Drake | 6,188 | 0 | 09 May, 2025 | |
| Eric J Elema | Evp, Cfo And Assistant Sec. | 2,911 | 0 | 17 Feb, 2026 |
| Judith S Sansone | 1,990 | 0 | 16 May, 2025 | |
| Travis Ryan Jackson | General Counsel Secretary | 475 | 0 | 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 |
|---|---|---|---|---|---|---|---|---|
| 13 Feb, 2026 | Doug Black | Common Stock | D | 10,000 | $0.00 | 482,161 | D | G |
| 13 Feb, 2026 | Eric J Elema | Common Stock | A | 3,755 | $26.67 | 4,676 | D | M |
| 13 Feb, 2026 | Doug Black | Common Stock | A | 10,000 | $0.00 | 13,591 | I | G |
| 13 Feb, 2026 | Eric J Elema | Common Stock | D | 1,765 | $158.01 | 2,911 | D | S |
| 13 Feb, 2026 | Eric J Elema | Stock Options (right to buy) | A | 3,755 | $0.00 | 0 | D | M |
| 10 Feb, 2026 | Shannon Versaggi | Common Stock | A | 232 | - | 7,226 | D | M |
| 10 Feb, 2026 | Doug Black | Common Stock | A | 1,579 | - | 492,863 | D | M |
| 10 Feb, 2026 | Scott Salmon | Common Stock | A | 278 | - | 13,791 | D | M |
| 10 Feb, 2026 | Joseph Ketter | Common Stock | A | 255 | - | 14,766 | D | M |
| 10 Feb, 2026 | Eric J Elema | Common Stock | A | 72 | - | 946 | D | M |
| 10 Feb, 2026 | Shannon Versaggi | Common Stock | D | 83 | $148.78 | 7,143 | D | F |
| 10 Feb, 2026 | Eric J Elema | Common Stock | D | 25 | $148.78 | 921 | D | F |
| 10 Feb, 2026 | Doug Black | Common Stock | D | 702 | $148.78 | 492,161 | D | F |
| 10 Feb, 2026 | Scott Salmon | Common Stock | D | 86 | $148.78 | 13,705 | D | F |
| 10 Feb, 2026 | Joseph Ketter | Common Stock | D | 130 | $148.78 | 14,636 | D | F |
| 10 Feb, 2026 | Scott Salmon | Restricted Stock Units | D | 278 | $0.00 | 0 | D | M |
| 10 Feb, 2026 | Joseph Ketter | Restricted Stock Units | D | 255 | $0.00 | 0 | D | M |
| 10 Feb, 2026 | Shannon Versaggi | Restricted Stock Units | D | 232 | $0.00 | 0 | D | M |
| 10 Feb, 2026 | Eric J Elema | Restricted Stock Units | D | 72 | $0.00 | 0 | D | M |
| 10 Feb, 2026 | Doug Black | Restricted Stock Units | D | 1,579 | $0.00 | 0 | D | M |