Insider Buy ·Filed Aug 28, 2026

SITE

SiteOne Landscape Supply, Inc.
NEUTRAL
Impact 4/10
Horizonweeks Processed1mo ago SEC0001104659-26-103314
Insider cluster: 1 insiders, $481K total
Actionable Insight • Neutral

The CEO's purchase is a modest positive signal but too small relative to market cap to be material. Monitor for additional insider buying or a larger position build before reading it as a strong bullish signal. The stock's recent underperformance at T+20 per historical calibration suggests waiting for confirmation from fundamentals or additional insider activity.

DirectionNeutral
Confidencemedium
Horizonweeks
Latest settled — T+20d
SITE ▼ -5.66% at T+20d
NEUTRAL call ✗ call lost -5.66% · α vs SPY -5.92% · entry $96.39 → $90.93
Next anchor: T+60d in 7w
Latest observation: T+22 +5.19% FF3 residual α
Entry anchored
Aug 27, 04:00 PM ET
via 1-min bar
T+1d
+2.22%
call +2.22% · α +2.52%
$98.53
settled 5w ago
T+5d
+4.35%
call +4.35% · α +4.24%
$100.58
settled 29d ago
T+20d
-5.66%
call -5.66% · α -5.92%
$90.93
settled 7d ago
T+60d
—
call — · α —
—
in 7w

Price Chart

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Executive Summary

CEO Doug Black purchased 5,000 shares of SiteOne Landscape Supply on the open market for $481K at $96.13/share. This is a standalone conviction buy by the CEO, representing ~0.01% of the company's $4.2B market cap, which is below the 0.1% materiality threshold. The purchase is small relative to company size but notable as a CEO open-market buy, though historical calibration on SITE shows past reports have underperformed at T+20, suggesting caution.

Key Financial Metrics

Direction
buying
Total Value
$480.6K
Insiders
1

Key Facts

  • CEO Doug Black purchased 5,000 shares at $96.13 on 2026-08-26
  • Total purchase value: $481K
  • Purchase represents ~0.01% of SITE's $4.2B market cap
  • No other insider trades in the 7-day window
  • Recent 30-day insider activity shows 3 buys totaling $1.3M

Financial Impact

$481K CEO open-market purchase, representing 0.01% of market cap

insider ownership

Risk Factors

  • Purchase size is trivial relative to $4.2B market cap
  • Historical calibration shows SITE insider signals have underperformed at T+20
  • Single insider buy may not indicate broader management sentiment

Market Snapshot

Exchange
NYSE
Sector
Wholesale-Professional & Commercial Equipment & Supplies
Analyst Consensus
68% bullish (19 analysts)

Investment Themes

Consumer & Retail

Documents Analyzed

This report is based on 1 SEC document filed with EDGAR.

DocumentAccession Number
INSIDER-BUY Data (Synthetic)0001104659-26-103314
2 reports for SITE
Performance horizon
Filters
Rows
Reports for SITE — sortable, filterable
TypeNow
Aug 28, 2026
5w ago
Insider Buy
NEUTRAL ★ 4/10
$96.39 $90.93▼ −5.66%▼ −5.92%$89.88 (−6.75%)
Apr 2, 2026
26w ago
DEFA14A
NEUTRAL ★ 3/10
$126.74 $126.05▼ −0.54%▼ −10.42%$89.88 (−29.08%)
Showing 2 of 2

US Market Status

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