Ketter Joseph 4

What Happened

• Joseph Ketter, EVP Human Resources at SiteOne (SITE), had 644 restricted stock units (RSUs) vest and convert to common shares on Feb 5, 2026. Of those 644 shares, 278 were withheld to cover tax withholding at $148.03 per share, totaling $41,152. The net shares delivered to Ketter were 366.
• This was an award/vesting event (not an open-market purchase or sale). The filing reports conversion of the RSUs into shares and the routine tax withholding.

Key Details

• Transaction date: February 5, 2026; Form 4 filed February 9, 2026.
• Vesting/conversion: 644 RSUs converted to 644 shares (transaction code M).
• Tax withholding: 278 shares withheld/disposed at $148.03/share for $41,152 (transaction code F).
• Net shares received by the insider: 366 shares after withholding. Total post-transaction holdings of the insider are not shown in this filing.
• Footnotes: RSUs were granted on Feb 5, 2025 (2,576 RSUs total) and vest in four equal annual installments beginning Feb 5, 2026; RSUs convert one-for-one into common stock.
• No indication this was a 10b5-1 sale or a gift; the transactions reflect routine vesting and withholding.

Context

• This is a standard RSU vesting with share-withholding to satisfy tax obligations (often called "sell-to-cover" or withholding), which is common and does not necessarily signal insider buying or selling intent.
• Transaction codes: M = exercise/conversion of derivative (RSU-to-share conversion); F = payment of exercise price or tax liability (share withholding).