Reporting owner · CIK 0001672083

Black Doug

Visual SEC Form 4 history across 1 companies, 27 transactions and 10 filings.

CEOCEOSiteOne Landscape Supply, Inc.
Open-market mix
Latest filingAug 28, 2026, 09:11 PM
Filings10Form 4 records
Buying$480.7K1 purchases
Selling$974.4K1 sales
Net value−$493.7KBuys minus sells
Companies13 securities
Most recentAug 26, 2026buy

Open-market buy performance

90-day forward return on this insider's open-market purchases

90d forward
Forward return is not available yet

We compute this from each buy's stock performance 90 days after the transaction. The price history is still being populated for some of their open-market buys, so the average and median will appear here once the daily price refresh has covered the relevant trading days.

Monthly open-market activity

Reported purchase and sale transaction counts

Buys Sells
530-3-51Feb 25Feb 261Aug 26

Net value flow

Buys minus sells

Feb 25
−$974.4K
Feb 26
$0
Aug 26
$480.7K

Transaction texture

Ownership and ticket size

Average P/S size$727.5K
Median P/S size$727.5K
Direct26
Indirect1
Aug 26, 2026buy

Filing-only signals

Deterministic matches in this insider's history

CEO Buyrole1Derivative Transactionfiling-context10Director Buyrole1Direct Ownershipfiling-context26Large Holdings Increaseholdings3Large Holdings Reductionholdings610b5-1 Detectedfiling-context3

Latest Form 4 facts

Quick context from source filings

Latest transaction

buy at SiteOne Landscape Supply, Inc. on Aug 26, 2026 valued at $480,650.

Review SEC filing
Latest buy

buy at SiteOne Landscape Supply, Inc. on Aug 26, 2026 valued at $480,650.

Review SEC filing
Latest sale

sale at SiteOne Landscape Supply, Inc. on Feb 26, 2025 valued at $974,361.

Review SEC filing

Associated companies

Visual map of known reporting history

SITESiteOne Landscape Supply, Inc.27 transactions · latest Aug 28, 2026, 09:11 PM
TickerInsiderRoleTypeSharesValueCodeSignals90d returnFiledTrans date
SITEBLACK DOUG
CEO
grant15.8k$0A
Derivative Transaction Direct Ownership Large Holdings Increase
−16.7%02/0602/04
SITEBLACK DOUG
CEO
exercise10b5-111.1k$0M
Derivative Transaction Direct Ownership 10b5-1 Detected
—02/28/202502/26/2025
SITEBLACK DOUG
CEO
sale10b5-17.38k-$97.4MS
Direct Ownership 10b5-1 Detected
—02/28/202502/26/2025
SITEBLACK DOUG
CEO
exercise10b5-111.1k$57.4MM
Direct Ownership 10b5-1 Detected
—02/28/202502/26/2025
SITEBLACK DOUG
CEO
exercise1.50k$0M
Derivative Transaction Direct Ownership
—02/13/202502/11/2025
SITEBLACK DOUG
CEO
withholding551-$7.33MF
Direct Ownership
—02/13/202502/11/2025
SITEBLACK DOUG
CEO
exercise1.50k—M
Direct Ownership
—02/13/202502/11/2025
SITEBLACK DOUG
CEO
exercise1.57k$0M
Derivative Transaction Direct Ownership Large Holdings Reduction
—02/12/202502/10/2025
SITEBLACK DOUG
CEO
withholding494-$6.62MF
Direct Ownership
—02/12/202502/10/2025
SITEBLACK DOUG
CEO
exercise1.57k—M
Direct Ownership
—02/12/202502/10/2025

Black Doug Insider Activity FAQ

SEC Form 4 context

Who is Black Doug?

Black Doug is a reporting owner in SEC Form 4 filings with reporting owner CIK 0001672083.

Which companies has Black Doug reported transactions for?

SiteOne Landscape Supply, Inc.

When was Black Doug's latest insider buy?

buy at SiteOne Landscape Supply, Inc. on Aug 26, 2026 valued at $480,650.

When was Black Doug's latest insider sale?

sale at SiteOne Landscape Supply, Inc. on Feb 26, 2025 valued at $974,361.

Where can I see the original SEC filings?

Each transaction row links directly to the source SEC filing so the reported Form 4 details can be reviewed.

Are performance metrics included?

This version does not calculate win rates, forward returns, benchmark-adjusted returns, or high-conviction scores.