STOCK TITAN

SiteOne Landscape Supply, Inc. Form 4 Filings

SITE NYSE

Every Form 4 that SiteOne Landscape Supply, Inc. (SITE) has filed with the SEC in the last 12 months is listed below, newest first, and each one links through to the document itself with the summary and the scores our analysis gives it.

A Form 4 covers the transactions officers, directors and large holders report, so if you follow SITE and want that one kind of document rather than the whole filing history, this is the page to keep. The company's other filings, of every form, are on the full SITE filings page.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. (SITE) CEO Doug Black reported an open-market purchase of 5,000 shares of common stock on 2026-08-26 at $96.13 per share. The shares are held indirectly through a 2021 family trust for which he serves as trustee, bringing that trust’s holdings to 13,000 shares. He also reports 482,161 shares held directly and additional indirect holdings through other family trusts.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. CEO Doug Black reported open-market purchases of a total of 8,000 shares of common stock on August 4, 2026, through a family trust for which he serves as trustee, at prices of $101.94 and $102.13 per share. Following these transactions, he is reported to hold 482,161 shares directly and 93,675 shares indirectly through a SLAT, with additional indirect holdings in family trusts. The Rule 10b5-1 trading-plan checkbox was not marked, indicating these purchases were not reported as made pursuant to a pre-arranged trading plan.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. General Counsel & Secretary Travis Ryan reported routine equity compensation activity involving Restricted Stock Units (RSUs). On June 2, 2026, 547 RSUs converted into an equal number of common shares, and 160 common shares were disposed of to cover tax obligations. Following these transactions, Ryan holds 862 common shares directly, reflecting an exercise-and-hold pattern tied to vesting rather than an open-market trade.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. director Fred M. Diaz reported selling a total of 1,125 shares of Common Stock in open-market transactions. He sold 563 shares at a price of $115.13 per share on May 27, 2026, and 562 shares at $112.52 per share on May 28, 2026. Following these sales, he directly holds 11,267 shares of Common Stock. The sales were carried out under a pre-arranged Rule 10b5-1 trading plan adopted on February 25, 2026.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

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.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. director Jeri L. Isbell settled previously granted Restricted Stock Units into common shares. On May 1, 2026, 878 RSUs converted into 878 shares of common stock at no cash exercise price, increasing Isbell’s direct holdings to 10,317 common shares.

Rhea-AI Summary

BLACK DOUG reported disposition transactions in a Form 4 filing for SITE. The filing lists transactions totaling 20,000 shares. Following the reported transactions, holdings were 482,161 shares.

Rhea-AI Summary

SiteOne Landscape Supply executive Eric J. Elema reported option exercises and share sales. On February 13, 2026, he exercised 3,755 stock options at an exercise price of $26.67 per share, receiving the same number of common shares. That same day, he sold 1,765 shares of common stock at $158.01 per share in an open-market transaction. After these transactions, he directly owned 2,911 SiteOne common shares. The exercised options came from a 20,621-share grant dated May 12, 2016, which vested in four annual installments.

Rhea-AI Summary

SiteOne Landscape Supply EVP, CFO and Assistant Secretary Eric J. Elema reported vesting of 72 Restricted Stock Units, which converted on a one-for-one basis into 72 shares of common stock on February 10, 2026.

On the same date, 25 of these shares were withheld at $148.7800 per share to satisfy related obligations, and he now directly holds 921 shares of common stock. Footnotes note a prior grant of 289 RSUs on February 10, 2022, vesting in four equal annual installments, subject to continued employment.

Rhea-AI Summary

SiteOne Landscape Supply EVP Joseph Ketter reported RSU vesting that converted into common shares and a related tax share disposition. On February 10, 2026, 255 Restricted Stock Units were exercised into 255 shares of common stock, increasing his direct holdings to 14,766 shares.

On the same date, 130 common shares were disposed of at $148.78 per share to satisfy tax obligations, leaving Ketter with 14,636 directly owned common shares after these transactions. The RSUs stem from a 1,021-unit grant made on February 10, 2022, vesting in four equal annual installments.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. executive Scott Salmon reported vesting of 278 Restricted Stock Units on February 10, 2026, converting into 278 shares of common stock. To satisfy tax withholding, 86 common shares were delivered at a price of 148.7800 per share.

Following these transactions, Salmon holds 13,705 SiteOne common shares directly. Footnotes explain these RSUs were part of a 1,114-unit grant dated February 10, 2022 that vests in four equal annual installments, subject to continued employment.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. executive Shannon Versaggi, EVP Marketing, Category Management & Pricing, reported equity compensation activity. On February 10, 2026, 232 Restricted Stock Units (RSUs) vested and converted into the same number of shares of common stock on a one-for-one basis.

To cover tax obligations related to this vesting, 83 shares of common stock were withheld at a price of $148.78 per share. After these transactions, Versaggi directly holds 7,143 shares of SiteOne common stock.

Rhea-AI Summary

SiteOne Landscape Supply CEO and director Doug Black reported the vesting of 1,579 restricted stock units (RSUs) on February 10, 2026, which converted into an equal number of common shares. To cover tax obligations, 702 common shares were withheld at $148.78 per share, leaving 492,161 common shares held directly after these transactions. He also reports indirect ownership of 3,591 shares through a family trust for which his spouse is trustee, and 93,675 shares through a SLAT.

Rhea-AI Summary

SiteOne Landscape Supply CEO Doug Black reported the vesting of 2,009 Restricted Stock Units, which converted into an equal number of common shares on February 9, 2026. To cover related tax obligations, 848 common shares were withheld at a price of $145.65 per share.

After these transactions, Black directly held 491,284 shares of common stock, and also had indirect ownership of 3,591 shares through a family trust and 93,675 shares through a SLAT, as reflected in the filing.

Rhea-AI Summary

Salmon Scott reported multiple insider transaction types in a Form 4 filing for SITE. The filing lists transactions totaling 838 shares at a weighted average price of $145.65 per share. Following the reported transactions, holdings were 13,513 shares.

Rhea-AI Summary

SiteOne Landscape Supply EVP and CFO Eric J. Elema reported RSU vesting and related share movements. On February 9, 2026, 90 Restricted Stock Units converted into 90 shares of common stock. To cover tax obligations, 25 common shares were disposed of at $145.65 per share. Following these transactions, Elema directly owned 874 shares of common stock and 91 RSUs. The RSUs relate to a 363-unit grant awarded on February 9, 2023, vesting in four equal annual installments beginning February 9, 2024, contingent on continued employment.

Rhea-AI Summary

SiteOne Landscape Supply EVP of Human Resources Joseph Ketter reported routine equity compensation activity. On February 9, 2026, 334 Restricted Stock Units vested and were converted into an equal number of common shares, as part of a 1,339-RSU grant awarded on February 9, 2023 that vests in four equal annual installments beginning February 9, 2024.

On the same date, 144 common shares were disposed of at $145.65 per share in a tax-withholding transaction related to this vesting. After these transactions, Ketter directly owned 14,511 shares of common stock and 335 RSUs.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. executive Shannon Versaggi reported the vesting and conversion of 334 Restricted Stock Units into an equal number of common shares on February 9, 2026. These RSUs are part of a 1,339-unit grant awarded on February 9, 2023, vesting in four equal annual installments.

To cover tax obligations, 119 of the newly issued shares were disposed of in a tax-withholding transaction at $145.65 per share. Following these transactions, Versaggi directly holds 6,994 shares of SiteOne common stock.

Rhea-AI Summary

SiteOne Landscape Supply CEO Doug Black reported routine equity compensation activity. On February 7, 2026, 3,094 Restricted Stock Units vested and converted into the same number of common shares. To cover tax withholding, 967 shares were disposed of at a price of $150.01 per share.

After these transactions, Black directly owned 490,123 SiteOne common shares. He also had indirect ownership of 3,591 shares through a family trust and 93,675 shares through a SLAT. The vested RSUs come from a 12,375-unit award granted on February 7, 2024, scheduled to vest in four equal annual installments starting February 7, 2025, subject to his continued employment.

Rhea-AI Summary

SiteOne Landscape Supply EVP Shannon Versaggi reported the vesting and conversion of 515 restricted stock units into common stock on February 7, 2026. After these transactions and a same-day disposition of 196 common shares at $150.01 per share, Versaggi directly owned 6,779 common shares and 1,031 RSUs. The RSUs come from a grant of 2,062 units awarded on February 7, 2024 that vests in four equal annual installments beginning February 7, 2025, contingent on continued employment.

Rhea-AI Summary

SiteOne Landscape Supply EVP Scott Salmon reported equity compensation activity involving company stock. On February 7, 2026, 536 Restricted Stock Units vested and converted into an equal number of common shares. On the same date, 175 common shares were disposed of at $150.01 per share. Following these transactions, Salmon directly beneficially owned 13,262 shares of common stock and 1,070 RSUs.

Rhea-AI Summary

SiteOne Landscape Supply executive Eric J. Elema, EVP, CFO and Assistant Secretary, reported routine equity compensation activity. On February 7, 2026, 103 Restricted Stock Units vested and converted into 103 shares of common stock, reflecting part of a 412‑RSU grant awarded on February 7, 2024 that vests in four equal annual installments beginning February 7, 2025, subject to continued employment.

Following the vesting, Elema disposed of 29 common shares at $150.01 per share and now directly holds 809 shares of common stock and 206 RSUs. The transactions show standard executive compensation vesting and a small related share disposition, rather than a large discretionary stock sale.

Rhea-AI Summary

SiteOne Landscape Supply EVP, Human Resources Joseph Ketter reported the vesting and exercise of 515 Restricted Stock Units into an equal number of common shares on February 7, 2026, with 223 shares withheld at $150.0100 per share to satisfy tax obligations. After these transactions, he directly holds 14,321 common shares. A prior grant awarded 2,062 RSUs vesting in four equal annual installments beginning February 7, 2025.

Rhea-AI Summary

SiteOne Landscape Supply CEO Doug Black reported routine equity compensation activity. On February 5, 2026, 3,865 Restricted Stock Units vested and converted into the same number of common shares. To cover taxes, 1,049 shares were withheld at a price of $148.03 per share.

After these transactions, Black directly owned 487,996 common shares and 11,595 RSUs. He also indirectly held 3,591 shares through a family trust and 93,675 shares through a SLAT, reflecting additional long-term ownership linked to estate and family planning structures.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. executive Shannon Versaggi, EVP Marketing, Category Management & Pricing, reported routine equity activity. On February 5, 2026, 644 Restricted Stock Units vested and converted into 644 shares of common stock on a one-for-one basis.

On the same date, 262 shares of common stock were disposed of at a price of $148.03 per share. Following these transactions, Versaggi directly beneficially owned 6,460 shares of common stock and 1,932 Restricted Stock Units.

Rhea-AI Summary

Scott Salmon, EVP, Strategy & Development at SiteOne Landscape Supply, reported the vesting of restricted stock units and related share withholding. On February 5, 2026, 667 RSUs converted into the same number of common shares. To cover taxes, 241 common shares were withheld at $148.03 per share, leaving Salmon with 12,901 common shares directly owned. After this vesting, he also holds 2,001 restricted stock units that can convert into common stock in the future.

Rhea-AI Summary

SiteOne Landscape Supply EVP, Human Resources Joseph Ketter reported vesting of Restricted Stock Units. On February 5, 2026, 644 RSUs converted into 644 shares of common stock at $0.00 per share as part of an RSU award granted on February 5, 2025.

Of these shares, 278 were withheld to satisfy tax obligations at a price of $148.0300 per share. After these transactions, Ketter directly holds 14,029 shares of SiteOne Landscape Supply common stock. The 2025 RSU grant totals 2,576 units, vesting in four equal annual installments beginning February 5, 2026.

Rhea-AI Summary

SiteOne Landscape Supply's General Counsel & Secretary, Travis Ryan Jackson, reported routine equity compensation activity. On February 5, 2026, 368 Restricted Stock Units vested and converted into an equal number of common shares. To cover tax withholding, 127 common shares were disposed of at $148.03 per share. After these transactions, Jackson directly owned 475 shares of common stock and 1,104 RSUs, reflecting ongoing participation in the company’s long‑term incentive program.

Rhea-AI Summary

SiteOne Landscape Supply EVP and CFO Eric J. Elema reported routine equity compensation activity. On February 5, 2026, 167 restricted stock units vested and converted into common stock, and 46 shares were sold at $148.03 to cover tax obligations. Following these transactions, he directly held 735 shares of common stock and 502 remaining restricted stock units. The vested RSUs are part of a 669-unit award granted on February 5, 2025, scheduled to vest in four equal annual installments beginning February 5, 2026, contingent on continued employment.

Rhea-AI Summary

SiteOne Landscape Supply reported that CEO and director Doug Black received an award of 15,880 Restricted Stock Units on February 4, 2026. These RSUs convert into common stock on a one-for-one basis.

The RSUs will vest and settle into shares of common stock in four equal annual installments beginning on February 4, 2027, conditioned on Black’s continued employment with the company.

Rhea-AI Summary

SiteOne Landscape Supply’s executive vice president, chief financial officer and assistant secretary, Eric J. Elema, reported an equity award on Form 4. On February 4, 2026, he was granted 2,340 restricted stock units (RSUs), all held directly.

The RSUs convert into SiteOne common stock on a one-for-one basis. They will vest and settle into shares in four equal annual installments beginning on February 4, 2027, conditioned on his continued employment. Following this grant, he beneficially owns 2,340 derivative securities related to common stock.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. reported an equity grant to its General Counsel & Secretary, Travis Ryan Jackson. On February 4, 2026, he received 2,173 Restricted Stock Units (RSUs) at a price of $0.00 per unit, all held as direct beneficial ownership.

The RSUs convert into common stock on a one-for-one basis. They will vest and settle into shares of common stock in four equal annual installments beginning on February 4, 2027, subject to his continued employment with the company.

Rhea-AI Summary

SiteOne Landscape Supply EVP receives RSU grant

SiteOne Landscape Supply executive vice president of human resources Joseph Ketter reported an award of 2,507 restricted stock units on February 4, 2026. These RSUs were granted at a price of $0.00 per unit and are held directly.

The 2,507 RSUs convert into 2,507 shares of common stock on a one-for-one basis. They will vest and settle in four equal annual installments starting on February 4, 2027, contingent on Ketter’s continued employment with the company.

Rhea-AI Summary

SiteOne Landscape Supply executive Scott Salmon, EVP of Strategy & Development, reported an award of 2,340 restricted stock units (RSUs) on February 4, 2026. These RSUs are a derivative security priced at $0.00 and convert into common stock on a one-for-one basis. The units will vest and settle in four equal annual installments beginning on February 4, 2027, and each installment is conditioned on Salmon’s continued employment with the company.

Rhea-AI Summary

SiteOne Landscape Supply, Inc. reported that executive vice president of marketing, category management and pricing Shannon Versaggi received an award of 2,841 restricted stock units (RSUs) on February 4, 2026. These RSUs convert into common stock on a one-for-one basis.

The 2,841 RSUs, all held directly, will vest and settle into shares of common stock in four equal annual installments beginning on February 4, 2027, conditioned on Versaggi’s continued employment. Following this grant, Versaggi beneficially owns 2,841 derivative securities tied to SiteOne common stock.

Rhea-AI Summary

SiteOne Landscape Supply officer reports RSU vesting and related share sale. The company’s General Counsel & Secretary reported the vesting of 330 restricted stock units on December 2, 2025, which converted into 330 shares of common stock on a one-for-one basis. After this transaction, 234 shares of common stock were beneficially owned directly.

To cover tax obligations related to the vesting, 96 shares of common stock were disposed of at a price of $133.15 per share. Following the conversion, 990 restricted stock units remained beneficially owned. These RSUs were originally granted as 1,320 units on December 2, 2024, scheduled to vest in four equal annual installments starting December 2, 2025, subject to continued employment.

Rhea-AI Summary

SiteOne Landscape Supply executive John Guthrie, who serves as EVP, CFO and Assistant Secretary, reported a sale of company stock. On 11/26/2025, he sold 1,915 shares of SiteOne common stock in an open-market transaction coded "S" at a weighted average price of $134.83 per share.

After this sale, Guthrie directly beneficially owns 13,569 shares of SiteOne common stock. The reported sale price reflects trades executed within a range of $134.70 to $135.00 per share, and detailed trade breakdowns are available upon request from the company, the SEC staff, or any security holder.

Rhea-AI Summary

SiteOne Landscape Supply (SITE) executive John Guthrie, EVP, CFO and Assistant Secretary, reported two charitable gifts of company common stock on a Form 4. On 11/19/2025, he gifted 230 shares of common stock at a reported price of $0, leaving him with 15,714 shares beneficially owned. On 11/20/2025, he made another charitable gift of 230 shares at a reported price of $0, after which he beneficially owned 15,484 shares directly. The filing classifies the transactions under code “G” and notes they were for a charitable gift.

Rhea-AI Summary

SiteOne Landscape Supply (SITE) CEO and director Doug Black reported a charitable gift of 8,000 shares of common stock on 11/04/2025 (Form 4, transaction code G) at a stated price of $0. Following the transaction, he reported 485,180 shares held directly, plus indirect holdings of 3,591 shares by a family trust and 93,675 shares by a SLAT.