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Doug Black Insider Trading Activity
Every SEC Form 4 transaction reported by Doug Black, sourced directly from SEC EDGAR and updated as new filings are accepted.
By Trabud · Insider-trading data from SEC EDGAR
Latest filing:
Compiled automatically from SEC EDGAR Form 4 filings and refreshed daily. Figures count purchases (code P) and sales (code S) only — not grants, option exercises, or gifts. How this page is built. Not investment advice.
Quick Answer
Is Doug Black buying or selling?
Doug Black reported 4 open-market buys ($3.7M) and 60 sells ($108.0M) across 64 Form 4 filings at 1 company — a net selling position of $104.3M.
Source: SEC EDGAR Form 4
What stands out
- All 64 of Doug Black's Form 4 filings are for one company, SiteOne Landscape Supply, Inc. (SITE).
- The most recent Form 4 was accepted on Aug 28, 2026 (51 days ago).
- In the last 12 months: 2 open-market purchases ($1.3M) and no sales.
- The largest open-market purchase in the last 12 months was $816.3K of SiteOne Landscape Supply, Inc. (SITE) on Aug 6, 2026. SEC ↗
Key Statistics (as of Aug 28, 2026)
Total Form 4 filings
64
SEC EDGAR
Companies
1
Buys (4)
$3.7M
Sells (60)
$108.0M
Insider sentiment
Net sellingNet insider flow of $104.3M in net selling, filed between Mar 1, 2018 – Aug 28, 2026.
Companies Doug Black files for
| # | Company | Form 4 filings |
|---|---|---|
| 1 | SITESiteOne Landscape Supply, Inc. | 64 |
Recent Doug Black transactions
| Date | Ticker | Role | Type | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| Aug 28, 2026 | SITE | CEO | Purchase | 5.0K | $480.6K | SEC ↗ |
| Aug 6, 2026 | SITE | CEO | Purchase | 8.0K | $816.3K | SEC ↗ |
| Jul 29, 2025 | SITE | CEO | Sale | 7.4K | $975.4K | SEC ↗ |
| Jul 14, 2025 | SITE | CEO | Sale | 29.8K | $3.8M | SEC ↗ |
| Feb 28, 2025 | SITE | CEO | Sale | 7.4K | $974.4K | SEC ↗ |
| May 17, 2024 | SITE | CEO | Sale | 10.0K | $1.6M | SEC ↗ |
| Apr 18, 2024 | SITE | CEO | Sale | 10.0K | $1.6M | SEC ↗ |
| Mar 14, 2024 | SITE | CEO | Sale | 10.0K | $1.8M | SEC ↗ |
| Feb 22, 2024 | SITE | CEO | Sale | 10.0K | $1.6M | SEC ↗ |
| Jan 19, 2024 | SITE | CEO | Sale | 10.0K | $1.5M | SEC ↗ |
| Dec 22, 2023 | SITE | CEO | Sale | 10.0K | $1.7M | SEC ↗ |
| Dec 15, 2023 | SITE | CEO | Sale | 8.0K | $1.2M | SEC ↗ |
| Nov 17, 2023 | SITE | CEO | Sale | 8.0K | $1.1M | SEC ↗ |
| Oct 20, 2023 | SITE | CEO | Sale | 8.0K | $1.2M | SEC ↗ |
| Sep 22, 2023 | SITE | CEO | Sale | 8.0K | $1.3M | SEC ↗ |
| Aug 25, 2023 | SITE | CEO | Sale | 8.0K | $1.3M | SEC ↗ |
| Jul 21, 2023 | SITE | CEO | Sale | 8.0K | $1.3M | SEC ↗ |
| Jun 23, 2023 | SITE | CEO | Purchase | 8.0K | $1.3M | SEC ↗ |
| May 26, 2023 | SITE | CEO | Purchase | 8.0K | $1.1M | SEC ↗ |
| Nov 18, 2022 | SITE | CEO | Sale | 9.5K | $1.2M | SEC ↗ |
| Oct 14, 2022 | SITE | CEO | Sale | 9.6K | $1.0M | SEC ↗ |
| Sep 16, 2022 | SITE | CEO | Sale | 9.5K | $1.1M | SEC ↗ |
| Aug 19, 2022 | SITE | CEO | Sale | 9.5K | $1.3M | SEC ↗ |
| Jul 15, 2022 | SITE | CEO | Sale | 9.5K | $1.1M | SEC ↗ |
| Jun 17, 2022 | SITE | CEO | Sale | 9.5K | $1.1M | SEC ↗ |
Showing the 25 most recent filings of 64. Screen every filing.
Doug Black insider trading FAQ
Is Doug Black buying or selling?
Across 64 SEC Form 4 filings, Doug Black reported 4 open-market purchases totaling $3.7M and 60 sales totaling $108.0M — a net selling position of $104.3M.
Which companies does Doug Black file Form 4s for?
Doug Black has reported insider transactions at 1 company, most often SiteOne Landscape Supply, Inc. (SITE).
How far back does Doug Black's filing history go?
Trabud holds Doug Black's SEC Form 4 filings from Mar 1, 2018 – Aug 28, 2026, sourced directly from SEC EDGAR.
Where does Trabud get Doug Black's insider trading data?
Directly from SEC EDGAR Form 4 filings. Every transaction on this page is a real filing accepted by the SEC, updated as new filings arrive.
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