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SiteOne Landscape Supply, Inc.

SITE
Exchange
NYSE
Industry
Wholesale-Professional & Commercial Equipment & Supplies
SEC CIK
0001650729

In the last 90 days, SiteOne Landscape Supply, Inc. insiders filed 2 open-market purchases and 0 sales; 399 institutions reported holding it in 13F filings for Q2 2026, worth $5.40B in total; no superinvestor holds it.

Open-market trades, last 90 days

Open-market purchases (P) and sales (S) by SiteOne Landscape Supply, Inc. insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.

Open-market buys
2 filings
1 insider, $1.48M in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$1.48M
Purchases minus sales

Insider roster

Directors, officers and 10% owners who have filed a Form 4 for SiteOne Landscape Supply, Inc., current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.

Insider roster for SiteOne Landscape Supply, Inc.
NameTitleLast reported holdingLast filingFilings, past year
Black DougCEO18,141IndirectNov 3, 20269
Elema Eric JEVP, CFO and Assistant Sec.2,975Nov 3, 20267
Jackson Travis RyanGeneral Counsel & Secretary862Jun 4, 20264
Diaz Fred MDirector11,267May 29, 20262
Wyszomierski Jack LDirector19,120May 14, 20261
Isbell Jeri LDirector11,442May 14, 20262
Douglas William W IIIDirector19,120May 14, 20261
Dunbar Webster RoyDirector11,671May 14, 20261
Drake LarisaDirector7,313May 14, 20261
Sansone Judith SDirector3,176May 14, 20261
Laughlin Daniel T.SVP, Strategy & Development2,000May 8, 20261
Ketter JosephEVP, Human Resources14,636Feb 12, 20265
Salmon ScottEVP, Strategy & Development13,705Feb 12, 20265
Versaggi ShannonEVP Mktg, Cat. Mgmt. & Pricing7,143Feb 12, 20265
Guthrie John TEVP, CFO and Assistant Sec.13,569Dec 1, 20252
Brisendine L Briley JrEVP, General Counsel & Sec.11,175Feb 13, 20250
Weller GregEVP of Operations10,260Nov 3, 20210

Insider trades

Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Nov 3, 2026 (view filing)6:49 PM ETOct 304 daysBlack DougCEOPPurchase+9.10K$110.30+$1.00M+100.7%18.1K after2 lots
Aug 28, 2026 (view filing)5:11 PM ETAug 262 daysBlack DougCEOPPurchase+5.00K$96.13+$480.6K+62.5%13.0K after
Aug 6, 2026 (view filing)5:41 PM ETAug 42 daysBlack DougCEOPPurchase+8.00K$102.04+$816.3KNew position8.00K after2 lots
May 29, 2026 (view filing)May 27-282 daysDiaz Fred MDirectorSSale−1.13K$113.83−$128.1K−9.1%11.3K after2 lots10b5-1
May 8, 2026 (view filing)May 62 daysLaughlin Daniel T.SVP, Strategy & DevelopmentPPurchase+2.00K$123.60+$247.2KNew position2.00K after
Feb 17, 2026 (view filing)Feb 134 daysElema Eric JEVP, CFO and Assistant Sec.SSale−1.76K$158.01−$278.9K−37.7%2.91K after
Dec 1, 2025 (view filing)Nov 265 daysGuthrie John TEVP, CFO and Assistant Sec.SSale−1.92K$134.83−$258.2K−12.4%13.6K after
Sep 3, 2025 (view filing)Aug 295 daysDiaz Fred MDirectorSSale−865$145.07−$125.5K−7.1%11.3K after10b5-1
Jul 29, 2025 (view filing)Jul 254 daysBlack DougCEOSSale−7.38K$132.09−$975.4K−1.2%600.4K after10b5-1
Jul 14, 2025 (view filing)Jul 113 daysBlack DougCEOSSale−29.8K$129.28−$3.85M−4.8%596.7K after10b5-1
Jul 3, 2025 (view filing)Jul 12 daysKetter JosephEVP, Human ResourcesSSale−39.6K$126.28−$5.01M−74.4%13.7K after10b5-1
Feb 28, 2025 (view filing)Feb 262 daysBlack DougCEOSSale−7.39K$131.92−$974.4K−1.3%581.9K after10b5-1
Nov 22, 2024 (view filing)Nov 211 dayKetter JosephEVP, Human ResourcesSSale−6.50K$142.20−$924.3K−33.4%12.9K after
Aug 7, 2024 (view filing)Aug 52 daysDiaz Fred MDirectorSSale−878$129.04−$113.3K−7.2%11.3K after10b5-1
May 17, 2024 (view filing)May 152 daysBlack DougCEOSSale−10.0K$160.01−$1.60M−1.7%578.4K after10b5-1
Apr 18, 2024 (view filing)Apr 171 dayBlack DougCEOSSale−10.0K$162.10−$1.62M−1.7%574.7K after10b5-1
Mar 14, 2024 (view filing)Mar 131 dayBlack DougCEOSSale−10.0K$176.35−$1.76M−1.7%574.7K after10b5-1
Mar 11, 2024 (view filing)Mar 83 daysGuthrie John TEVP, CFO and Assistant Sec.SSale−3.00K$180.00−$540.0K−16.2%15.5K after10b5-1
Mar 1, 2024 (view filing)Feb 282 daysKetter JosephEVP, Human ResourcesSSale−550$165.30−$90.9K−4.3%12.4K after
Feb 22, 2024 (view filing)Feb 211 dayBlack DougCEOSSale−10.0K$162.64−$1.63M−1.7%574.7K after10b5-1
Jan 19, 2024 (view filing)Jan 172 daysBlack DougCEOSSale−10.0K$153.29−$1.53M−1.7%580.9K after10b5-1
Dec 22, 2023 (view filing)Dec 202 daysBlack DougCEOSSale−10.0K$165.37−$1.65M−1.7%580.9K after10b5-1
Dec 15, 2023 (view filing)Dec 141 dayGuthrie John TEVP, CFO and Assistant Sec.SSale−3.00K$170.00−$510.0K−16.6%15.1K after10b5-1
Dec 15, 2023 (view filing)Dec 13-142 daysBlack DougCEOSSale−8.00K$147.70−$1.18M−1.4%580.9K after2 lots10b5-1
Nov 17, 2023 (view filing)Nov 152 daysBlack DougCEOSSale−8.00K$140.27−$1.12M−1.4%574.9K after10b5-1
Oct 20, 2023 (view filing)Oct 182 daysBlack DougCEOSSale−7.96K$145.12−$1.16M−1.4%568.9K after10b5-1
Sep 22, 2023 (view filing)Sep 202 daysBlack DougCEOSSale−8.00K$159.16−$1.27M−1.4%562.9K after10b5-1
Aug 25, 2023 (view filing)Aug 232 daysBlack DougCEOSSale−8.00K$156.79−$1.25M−1.4%564.9K after10b5-1
Aug 9, 2023 (view filing)Aug 72 daysGuthrie John TEVP, CFO and Assistant Sec.SSale−1.03K$164.47−$169.1K−6.4%15.1K after
Jul 21, 2023 (view filing)Jul 192 daysBlack DougCEOSSale−8.00K$167.33−$1.34M−1.4%558.9K after10b5-1
Jun 23, 2023 (view filing)Jun 212 daysBlack DougCEOSSale+8.00K$161.32+$1.29M+1.5%552.9K after10b5-1
Jun 21, 2023 (view filing)Jun 165 daysBrisendine L Briley JrEVP, General Counsel & Sec.SSale−2.90K$160.00−$464.0K−25.8%8.32K after10b5-1
May 26, 2023 (view filing)May 242 daysBlack DougCEOSSale+8.00K$141.27+$1.13M+1.5%546.9K after10b5-1
Feb 3, 2023 (view filing)Feb 21 dayBrisendine L Briley JrEVP, General Counsel & Sec.SSale−3.75K$160.00−$600.0K−31.6%8.11K after
Nov 18, 2022 (view filing)Nov 162 daysBlack DougCEOSSale−9.50K$128.00−$1.22M−1.7%546.5K after
Oct 14, 2022 (view filing)Oct 122 daysBlack DougCEOSSale−9.59K$105.84−$1.02M−1.8%536.0K after
Sep 16, 2022 (view filing)Sep 142 daysBlack DougCEOSSale−9.54K$115.54−$1.10M−1.8%525.6K after
Aug 19, 2022 (view filing)Aug 172 daysBlack DougCEOSSale−9.46K$139.18−$1.32M−1.8%523.1K after
Jul 15, 2022 (view filing)Jul 132 daysBlack DougCEOSSale−9.53K$119.13−$1.14M−1.8%512.6K after
Jun 17, 2022 (view filing)Jun 152 daysBlack DougCEOSSale−9.53K$117.47−$1.12M−1.9%502.1K after
May 20, 2022 (view filing)May 182 daysBlack DougCEOSSale−9.50K$128.35−$1.22M−1.9%491.7K after
Apr 14, 2022 (view filing)Apr 131 dayBlack DougCEOSSale−17.4K$149.12−$2.60M−3.6%468.9K after
Mar 18, 2022 (view filing)Mar 162 daysBlack DougCEOSSale−17.4K$175.78−$3.05M−3.7%458.3K after
Feb 24, 2022 (view filing)Feb 231 dayBlack DougCEOSSale−17.4K$159.52−$2.78M−3.7%447.7K after
Jan 21, 2022 (view filing)Jan 192 daysBlack DougCEOSSale−17.3K$195.05−$3.38M−3.8%432.8K after
Nov 19, 2021 (view filing)Nov 172 daysBlack DougCEOSSale−17.3K$247.35−$4.27M−3.9%422.1K after
Nov 10, 2021 (view filing)Nov 82 daysGuthrie John TEVP, CFO and Assistant Sec.SSale−8.46K$246.76−$2.09M−43.0%11.2K after4 lots
Oct 15, 2021 (view filing)Oct 132 daysBlack DougCEOSSale−17.3K$202.94−$3.51M−4.0%411.4K after
Sep 17, 2021 (view filing)Sep 152 daysBlack DougCEOSSale−17.3K$199.20−$3.45M−4.1%400.7K after
Sep 17, 2021 (view filing)Sep 161 dayWeller GregEVP of OperationsSSale−2.76K$200.02−$552.7K−21.2%10.3K after4 lots