InsiderCEO

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 · SEC Form 4 & insider trading data analysts
Last updated:

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

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 selling

Net insider flow of $104.3M in net selling, filed between Mar 1, 2018 – Aug 28, 2026.

Companies Doug Black files for

#CompanyForm 4 filings
1SITESiteOne Landscape Supply, Inc.64

Recent Doug Black transactions

DateTickerRoleTypeSharesValue
Aug 28, 2026SITECEOPurchase5.0K$480.6K
Aug 6, 2026SITECEOPurchase8.0K$816.3K
Jul 29, 2025SITECEOSale7.4K$975.4K
Jul 14, 2025SITECEOSale29.8K$3.8M
Feb 28, 2025SITECEOSale7.4K$974.4K
May 17, 2024SITECEOSale10.0K$1.6M
Apr 18, 2024SITECEOSale10.0K$1.6M
Mar 14, 2024SITECEOSale10.0K$1.8M
Feb 22, 2024SITECEOSale10.0K$1.6M
Jan 19, 2024SITECEOSale10.0K$1.5M
Dec 22, 2023SITECEOSale10.0K$1.7M
Dec 15, 2023SITECEOSale8.0K$1.2M
Nov 17, 2023SITECEOSale8.0K$1.1M
Oct 20, 2023SITECEOSale8.0K$1.2M
Sep 22, 2023SITECEOSale8.0K$1.3M
Aug 25, 2023SITECEOSale8.0K$1.3M
Jul 21, 2023SITECEOSale8.0K$1.3M
Jun 23, 2023SITECEOPurchase8.0K$1.3M
May 26, 2023SITECEOPurchase8.0K$1.1M
Nov 18, 2022SITECEOSale9.5K$1.2M
Oct 14, 2022SITECEOSale9.6K$1.0M
Sep 16, 2022SITECEOSale9.5K$1.1M
Aug 19, 2022SITECEOSale9.5K$1.3M
Jul 15, 2022SITECEOSale9.5K$1.1M
Jun 17, 2022SITECEOSale9.5K$1.1M

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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