| $1B | ||
| $100M | ||
| $54M | ||
| $40M | ||
| $32M | ||
| $31M |
Buys | $2,547,815 | 4 | 50 |
Sells | $665,142 | 4 | 50 |
| BLACK DOUG | CEO | 3 | $2.3M | 0 | $0 | $2.3M |
| Laughlin Daniel T. | SVP, Strategy & Development | 1 | $247,200 | 0 | $0 | $247,200 |
| Diaz Fred M | director | 0 | $0 | 2 | $128,054 | $-128,054 |
| GUTHRIE JOHN T | EVP, CFO and Assistant Sec. | 0 | $0 | 1 | $258,199 | $-258,199 |
| Elema Eric J | EVP, CFO and Assistant Sec. | 0 | $0 | 1 | $278,888 | $-278,888 |
SiteOne Landscape Supply, Inc. operates as a leading wholesale distributor of landscaping provisions throughout the United States and Canada. The company maintains an expansive inventory of approximately 135,000 distinct stock keeping units. Its diverse product offerings encompass irrigation components, such as controllers, valves, sprinkler heads, and pipes; turf and plant care items including fertilizers, grass seeds, and ice melt; and various pest and weed control solutions like herbicides, fungicides, and rodenticides. Furthermore, SiteOne …
Over the last 12 months, insiders at SiteOne Landscape Supply, Inc. have bought $2.55M and sold $665,142 worth of SiteOne Landscape Supply, Inc. stock.
On average, over the past 5 years, insiders at SiteOne Landscape Supply, Inc. have bought $2.55M and sold $13.69M worth of stock each year.
Highest buying activity among insiders over the last 12 months: BLACK DOUG (CEO) — $2.3M. Laughlin Daniel T. (SVP, Strategy & Development) — $247,200.
The last purchase of 9,100 shares for transaction amount of $1M was made by BLACK DOUG (CEO) on 2026‑10‑30.
| 2026-10-30 | BLACK DOUG | CEO | 9,100 0.0207% | $110.30 | $1M | |||
| 2026-08-26 | BLACK DOUG | CEO | 5,000 0.0115% | $96.13 | $480,650 | -1.89% | ||
| 2026-08-04 | BLACK DOUG | CEO | 8,000 0.0182% | $102.03 | $816,280 | -5.63% | ||
| 2026-05-28 | Sale | Diaz Fred M | director | 562 0.0013% | $112.52 | $63,236 | -11.09% | |
| 2026-05-27 | Sale | Diaz Fred M | director | 563 0.0013% | $115.13 | $64,818 | -12.64% | |
| 2026-05-06 | Laughlin Daniel T. | SVP, Strategy & Development | 2,000 0.0046% | $123.60 | $247,200 | -16.63% | ||
| 2026-02-13 | Sale | Elema Eric J | EVP, CFO and Assistant Sec. | 1,765 0.004% | $158.01 | $278,888 | -31.70% | |
| 2025-11-26 | Sale | GUTHRIE JOHN T | EVP, CFO and Assistant Sec. | 1,915 0.0043% | $134.83 | $258,199 | -14.42% | |
| 2025-08-29 | Sale | Diaz Fred M | director | 865 0.002% | $145.07 | $125,486 | -11.04% | |
| 2025-07-25 | Sale | BLACK DOUG | CEO | 7,384 0.0164% | $132.09 | $975,353 | -2.20% | |
| 2025-07-11 | Sale | BLACK DOUG | CEO | 29,760 0.0664% | $129.28 | $3.85M | +0.55% | |
| 2025-07-01 | Sale | Ketter Joseph | EVP, Human Resources | 39,640 0.0885% | $126.28 | $5.01M | +2.95% | |
| 2025-02-26 | Sale | BLACK DOUG | CEO | 7,386 0.0166% | $131.92 | $974,361 | -1.79% | |
| 2024-11-21 | Sale | Ketter Joseph | EVP, Human Resources | 6,500 0.0142% | $142.20 | $924,300 | -10.34% | |
| 2024-08-05 | Sale | Diaz Fred M | director | 878 0.0019% | $129.04 | $113,297 | +0.41% | |
| 2024-05-15 | Sale | BLACK DOUG | CEO | 10,000 0.0222% | $160.01 | $1.6M | -14.85% | |
| 2024-04-17 | Sale | BLACK DOUG | CEO | 10,000 0.0223% | $162.10 | $1.62M | -13.34% | |
| 2024-03-13 | Sale | BLACK DOUG | CEO | 10,000 0.0223% | $176.35 | $1.76M | -18.85% | |
| 2024-03-08 | Sale | GUTHRIE JOHN T | EVP, CFO and Assistant Sec. | 3,000 0.0066% | $180.00 | $540,000 | -21.60% | |
| 2024-02-28 | Sale | Ketter Joseph | EVP, Human Resources | 550 0.0012% | $165.30 | $90,915 | -13.07% |
| BLACK DOUG | CEO | 18141 0.0421% | $2.03M | 6 | 63 | +40.14% |
| GUTHRIE JOHN T | EVP, CFO and Assistant Sec. | 13569 0.0315% | $1.52M | 1 | 34 | +32.78% |
| Laughlin Daniel T. | SVP, Strategy & Development | 2000 0.0046% | $223,420.00 | 1 | 0 | |
| Ketter Joseph | EVP, Human Resources | 13663 0.0317% | $1.53M | 1 | 7 | +32.78% |
| Brisendine L Briley Jr | EVP, General Counsel & Sec. | 8322 0.0193% | $929,650.62 | 1 | 28 | +32.78% |
| WYSZOMIERSKI JACK L | director | 5000 0.0116% | $558,550.00 | 1 | 0 | +32.78% |
| Douglas William W III | director | 5000 0.0116% | $558,550.00 | 1 | 0 | +32.78% |
| Grebe Michael J | director | 2596 0.006% | $289,999.16 | 1 | 0 | +7.06% |
| ANKER ROSS | EVP, Category Mgmt, Mktg & IT | 0 0% | $0 | 1 | 18 | +32.78% |
| Convers Pascal | EVP, Strategy and Development | 0 0% | $0 | 1 | 20 | +32.78% |
$661,250 | 3 | 9.64% | $46.81B |
| Increased Positions | 201 | +42.32% | 5M | +10.42% |
| Decreased Positions | 207 | -43.58% | 5M | -10.55% |
| New Positions | 67 | New | 1M | New |
| Sold Out Positions | 49 | Sold Out | 554,471 | Sold Out |
| Total Postitions | 469 | -1.26% | 49M | -0.14% |
| Price T Rowe Associates Inc /Md/ | $581,531.00 | 10.33% | 4.65M | -1M | -21.86% | 2025-09-30 |
| Vanguard Group Inc | $507,976.00 | 9.03% | 4.06M | -52,188 | -1.27% | 2025-09-30 |
| Kayne Anderson Rudnick Investment Management Llc | $367,213.00 | 6.53% | 2.94M | -61,856 | -2.06% | 2025-09-30 |
| Wasatch Advisors Lp | $272,311.00 | 4.84% | 2.18M | +222,959 | +11.41% | 2025-09-30 |
| T. Rowe Price Investment Management, Inc. | $248,400.00 | 4.41% | 1.99M | +51,064 | +2.64% | 2025-09-30 |
| Bamco Inc /Ny/ | $245,978.00 | 4.37% | 1.97M | +25,059 | +1.29% | 2025-09-30 |
| Blackrock, Inc. | $243,990.00 | 4.34% | 1.95M | +31,872 | +1.66% | 2025-09-30 |
| 59 North Capital Management, Lp | $208,191.00 | 3.7% | 1.66M | +2M | New | 2025-09-30 |
| Conestoga Capital Advisors, Llc | $143,329.00 | 2.55% | 1.15M | -14,114 | -1.22% | 2025-09-30 |
| Citadel Advisors Llc | $139,182.00 | 2.47% | 1.11M | +665,093 | +148.52% | 2025-09-30 |