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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; 396 institutions reported holding it in 13F filings for Q2 2026, worth $5.41B 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, $1.30M in total
Open-market sells
0 filings
Insiders trading
1
Net value
+$1.30M
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 DougCEO13,000IndirectAug 28, 20269
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
Elema Eric JEVP, CFO and Assistant Sec.2,911Feb 17, 20266
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
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
Aug 20, 2021 (view filing)Aug 191 dayWeller GregEVP of OperationsSSale−3.20K$185.46−$593.5K−23.8%10.3K after4 lots