SITE SiteOne Landscape Supply

• $1.5M bought by 2 insiders
• $537K sold by 2 insiders outside a trading plan
• $128K sold by 1 insider under 10b5-1 plans

1. Insider
   Trade
   Value
   Traded, filed
2. Doug Black CEO
   Buy
   $481K 5,000 shares at $96.13 +63% to stake
   Traded Aug 26 Filed Aug 28
   ↗
3. Doug Black CEO
   Buy
   $816K 8,000 shares at $102.04 New stake
   Traded Aug 4 Filed Aug 6
   ↗
4. Fred M Diaz Director
   Planned sale
   $128K 1,125 shares at $113.83 9.1% of stake
   Traded May 27–28 Filed May 29
   ↗
5. Daniel T. Laughlin SVP, Strategy & Development
   Buy
   $247K 2,000 shares at $123.60 New stake
   Traded May 6 Filed May 8
   ↗
6. Eric J Elema CFO
   Sale
   $279K 1,765 shares at $158.01 38% of stake
   Traded Feb 13 Filed Feb 17
   ↗
7. John T Guthrie CFO
   Sale
   $258K 1,915 shares at $134.83 12% of stake
   Traded Nov 26, 2025 Filed Dec 1, 2025
   ↗

Also filed in the last 12 months, not counted as buying or selling: 28 option exercises, 23 share withholdings for taxes, 5 gifts, and 4 stock grants.