SiteOne Landscape Supply filings document the company’s operating results, governance matters, capital arrangements and public-company status. Recent Form 8-K reports furnish quarterly and full-year earnings releases, including disclosures on net sales, organic daily sales, gross profit, gross margin and SG&A trends.
The filing record also covers material definitive agreements, including amendments to credit arrangements involving SiteOne subsidiaries, and executive officer transitions reported under Item 5.02. Definitive proxy materials describe annual meeting matters and stockholder voting, while company cover pages identify SiteOne’s common stock, par value $0.01 per share, traded on the New York Stock Exchange under the SITE symbol.
SiteOne Landscape Supply, Inc. held its Annual Meeting of Stockholders on May 13, 2026, where stockholders voted on three proposals.
Stockholders elected William W. Douglas III (39,837,852 votes for, 1,566,019 withheld) and Jeri L. Isbell (40,518,404 votes for, 885,467 withheld) to one-year board terms. They also ratified Deloitte & Touche LLP as independent registered accounting firm for the 2026 fiscal year with 42,448,149 votes for, 128,428 against, and 20,161 abstentions. In addition, stockholders approved the advisory vote on executive compensation with 40,505,407 votes for, 876,683 against, 21,781 abstentions, and 1,192,867 broker non-votes.
WYSZOMIERSKI JACK L reported acquisition or exercise transactions in this Form 4 filing.
SiteOne Landscape Supply, Inc. director Jack L. Wyszomierski received a grant of 1,186 deferred stock units as director fees in the form of Common Stock. The units were granted at no cash cost per share and increase his direct holdings to 19,120 shares.
The deferred stock units vest in full upon the earlier of the day preceding SiteOne’s next annual meeting of stockholders or the first anniversary of May 13, 2026. Settlement of these units into shares is deferred until the earlier of his termination of board service or a change in control of the company.
Sansone Judith S reported acquisition or exercise transactions in this Form 4 filing.
SiteOne Landscape Supply, Inc. director Judith S. Sansone received an award of 1,186 deferred stock units of common stock as director fees. The award was granted at no cash cost per unit and increased her directly held equity position to 3,176 shares and units combined.
The deferred stock units vest in full on the earlier of the day before the company’s next annual stockholder meeting or the first anniversary of May 13, 2026. Settlement of these units into shares is deferred until the earlier of Sansone’s termination of board service or a change in control of the company.
SiteOne Landscape Supply director Jeri L. Isbell reported routine equity compensation activity. On May 13, 2026, she received 1,186 Restricted Stock Units (RSUs), which will vest upon the earlier of the day before the next annual shareholder meeting or the first anniversary of May 13, 2026, subject to continued service. A prior grant of 1,125 RSUs from May 14, 2025 vested on May 12, 2026 and converted on a one-for-one basis into common stock, increasing her direct common share holdings to 11,442.
Dunbar Webster Roy reported acquisition or exercise transactions in this Form 4 filing.
SiteOne Landscape Supply director Roy Dunbar reported an award of 1,186 shares of Common Stock in the form of deferred stock units as director fees at a price of $0.00 per unit. Following this grant, he holds 11,671 shares, including deferred stock units.
The deferred stock units vest in full upon the earlier of the day preceding SiteOne’s next annual meeting of stockholders or the first anniversary of May 13, 2026. Settlement of these units is deferred until the earlier of his termination from the board or a change in control of the company.
SiteOne Landscape Supply director Larisa Drake reported routine equity compensation activity. On May 12, 2026, 1,125 Restricted Stock Units (RSUs) vested and converted into 1,125 shares of common stock on a one-for-one basis, increasing her direct common stock holdings to 7,313 shares.
On May 13, 2026, Drake received a new grant of 1,186 RSUs. These RSUs will vest and settle upon the earlier of the day before SiteOne’s next annual stockholders’ meeting or the first anniversary of May 13, 2026, subject to her continued service as a non-employee director.
Douglas William W III reported acquisition or exercise transactions in this Form 4 filing.
SiteOne Landscape Supply director Douglas William W III received a grant of 1,186 deferred stock units as director fees on common stock. These units vest in full upon the earlier of the day before the company’s next annual stockholder meeting or the first anniversary of May 13, 2026. Settlement is deferred until he leaves the board or there is a change in control. Following this award, he directly holds 19,120 shares and units in total.
SiteOne Landscape Supply director Fred M. Diaz reported routine equity compensation activity. On May 12, 2026, 1,125 Restricted Stock Units (RSUs) vested and converted into 1,125 shares of common stock on a one-for-one basis. These shares increased his direct common stock holdings to 12,392 shares.
On May 13, 2026, Diaz received a new award of 1,186 RSUs at no cost. According to the terms, these RSUs will vest and settle into common stock upon the earlier of the day before the company’s next annual shareholder meeting or the first anniversary of May 13, 2026, subject to his continued service as a non-employee director.
AQR Capital Management filed a Schedule 13G reporting beneficial ownership of 2,272,825 shares of SiteOne Landscape Supply, Inc., representing 5.11% of the class as of 03/31/2026.
The filing shows shared voting power of 2,217,799 shares and shared dispositive power of 2,272,825 shares held by AQR Capital Management, LLC and AQR Capital Management Holdings, LLC. The filing is signed by an authorized signatory on 05/14/2026.
SiteOne Landscape Supply, Inc. executive Daniel T. Laughlin, SVP of Strategy & Development, purchased 2,000 shares of Common Stock in an open-market transaction. The trade occurred on May 6, 2026 at a price of $123.60 per share. Following this purchase, he directly owns 2,000 shares.