SITEIndustrialsMid-Cap
SiteOne Landscape Supply, Inc. Insider Trading Activity
Every SEC Form 4 insider transaction reported for SiteOne Landscape Supply, Inc. (SITE), sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud Research Team · SEC Form 4 & insider trading data analysts
Last updated:
Quick Answer
Are SITE insiders buying or selling?
SiteOne Landscape Supply, Inc. insiders reported 3 open-market buys ($2.7M) and 153 sells ($181.3M) across 156 Form 4 filings — a net selling position of $178.7M.
Source: SEC EDGAR Form 4
Key Statistics (as of May 29, 2026)
Total Form 4 filings
156
SEC EDGAR
Insider filers
10
Insider buys (3)
$2.7M
Insider sells (153)
$181.3M
Insider sentiment
Net sellingNet insider flow of $178.7M in net selling. 1 insider buy in the last 90 days.
Recent SITE insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 29, 2026 | Fred M Diaz | Director | Sale | 1.1K | $113.83 | $128.1K |
| May 8, 2026 | Daniel T. Laughlin | SVP, Strategy & Development | Purchase | 2.0K | $123.60 | $247.2K |
| Feb 17, 2026 | Eric J Elema | EVP, CFO and Assistant Sec. | Sale | 1.8K | $158.01 | $278.9K |
| Dec 1, 2025 | John T Guthrie | EVP, CFO and Assistant Sec. | Sale | 1.9K | $134.83 | $258.2K |
| Sep 3, 2025 | Fred M Diaz | Director | Sale | 865 | $145.07 | $125.5K |
| Jul 29, 2025 | Doug Black | CEO | Sale | 7.4K | $132.09 | $975.4K |
| Jul 14, 2025 | Doug Black | CEO | Sale | 29.8K | $129.28 | $3.8M |
| Jul 3, 2025 | Joseph Ketter | EVP, Human Resources | Sale | 39.6K | $126.28 | $5.0M |
| Feb 28, 2025 | Doug Black | CEO | Sale | 7.4K | $131.92 | $974.4K |
| Nov 22, 2024 | Joseph Ketter | EVP, Human Resources | Sale | 6.5K | $142.20 | $924.3K |
| Aug 7, 2024 | Fred M Diaz | Director | Sale | 878 | $129.04 | $113.3K |
| May 17, 2024 | Doug Black | CEO | Sale | 10.0K | $160.01 | $1.6M |
| Apr 18, 2024 | Doug Black | CEO | Sale | 10.0K | $162.10 | $1.6M |
| Mar 14, 2024 | Doug Black | CEO | Sale | 10.0K | $176.35 | $1.8M |
| Mar 11, 2024 | John T Guthrie | EVP, CFO and Assistant Sec. | Sale | 3.0K | $180.00 | $540.0K |
| Mar 1, 2024 | Joseph Ketter | EVP, Human Resources | Sale | 550 | $165.30 | $90.9K |
| Feb 22, 2024 | Doug Black | CEO | Sale | 10.0K | $162.64 | $1.6M |
| Jan 19, 2024 | Doug Black | CEO | Sale | 10.0K | $153.29 | $1.5M |
| Dec 22, 2023 | Doug Black | CEO | Sale | 10.0K | $165.37 | $1.7M |
| Dec 15, 2023 | John T Guthrie | EVP, CFO and Assistant Sec. | Sale | 3.0K | $170.00 | $510.0K |
| Dec 15, 2023 | Doug Black | CEO | Sale | 8.0K | $147.70 | $1.2M |
| Nov 17, 2023 | Doug Black | CEO | Sale | 8.0K | $140.27 | $1.1M |
| Oct 20, 2023 | Doug Black | CEO | Sale | 8.0K | $145.12 | $1.2M |
| Sep 22, 2023 | Doug Black | CEO | Sale | 8.0K | $159.16 | $1.3M |
| Aug 25, 2023 | Doug Black | CEO | Sale | 8.0K | $156.79 | $1.3M |
Showing the 25 most recent of 156 Form 4 filings for SiteOne Landscape Supply, Inc..
Most active SITE insiders
- Doug Black59 filings
- John T Guthrie30 filings
- Briley L Brisendine Jr23 filings
- Pascal Convers14 filings
- Greg Weller11 filings
Ask anything about SITE insider activity
Use Trabud's AI agent to query SiteOne Landscape Supply, Inc.'s Form 4 history in plain English — "Show me SITE CEO purchases this year" or compare it against any other ticker.
Open the AI agentSITE insider trading FAQ
Are SiteOne Landscape Supply, Inc. insiders buying or selling?
Across 156 SEC Form 4 filings, SiteOne Landscape Supply, Inc. (SITE) insiders reported 3 open-market purchases totaling $2.7M and 153 sales totaling $181.3M. That is a net selling position of $178.7M.
How many insiders trade SITE stock?
10 distinct insider filers — officers, directors, 10%+ owners, and investment groups filing jointly — have reported Form 4 transactions for SiteOne Landscape Supply, Inc.. The most recent filing was accepted on May 29, 2026.
Where does Trabud get SITE insider trading data?
All SITE insider trading data comes directly from official SEC EDGAR Form 4 filings, which corporate insiders must submit within two business days of a transaction under Section 16(a) of the Securities Exchange Act of 1934.
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