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buyNotable

Doug Black bought $481k of SITE

CEO at SiteOne Landscape Supply, Inc.. 5,000 shares at an average of $96.13, traded Aug 26, 2026, filed Aug 28, 2026.

Conviction score
76
Value
$481k
5,000 shares
Holdings after
13,000
+63% from before
From 52-week low
+2%
low $93.79, close $96.07
From 52-week high
-41%
high $163.25, as of Aug 26, 2026

Score components

  • Role
    CEO
    +25
  • Trade size
    $481k at market
    +18
  • Relative to holdings
    Holdings up 62%
    +10
  • Price context
    2% above the 52-week low; 41% below the 52-week high
    +18
  • Cluster
    No other insider buying within 14 days
    0
  • Repeat buying
    2 buys in 90 days
    +5
  • Track record
    Too few past buys to judge (0 with prices)
    0

What happened after comparable buys

Same side and tier, against the S&P 500, at 1, 3 and 6 months. Shown to Pro users; the whole table is on the backtest page.

Price around the trade, and since

From a quarter before the trade to today. The arrow is the trade, the circle the day the filing reached EDGAR, which is the first day anyone outside could act; the dotted line is the S&P 500 rebased to that day's close.

SITEOct 12, 2026 · close 87.99
Since filing Aug 28, 2026: -8.7%SPY +1.4% · excess -10.1%

Daily candles, adjusted for splits and dividends. Green arrows are insider buys, red are sells, sized by value; the dashed line is the close on the filing day, the dotted line SPY rebased to it.Charts by TradingView Lightweight Charts™

Rows in this filing

Every transaction in Form 4 0001104659-26-103314, as filed. Open on EDGAR

DateTransactionSharesPriceValueHoldings afterFiled
Aug 26, 2026POpen-market purchase
Common Stockindirect: By 2021 Family Trust
+5,000$96.13$481k13,000Aug 28, 2026

Related signals

Other insiders at SiteOne Landscape Supply, Inc. and this insider’s other filings.

ScoreCompanyInsiderValueHoldingsFiled
73Notable
SITEbuy
SiteOne Landscape Supply, Inc.
Doug Black
CEO
$816k
8,000 shares
-
6Weak
SITEsell10b5-1
SiteOne Landscape Supply, Inc.
Fred M Diaz
director
$128k
1,125 shares
-9%
50Moderate
SITEbuy
SiteOne Landscape Supply, Inc.
Daniel T. Laughlin
SVP, Strategy & Development
$247k
2,000 shares
-
31Weak
SITEsell
SiteOne Landscape Supply, Inc.
Eric J Elema
EVP, CFO and Assistant Sec.
$279k
1,765 shares
-38%
40Moderate
SITEsell
SiteOne Landscape Supply, Inc.
John T Guthrie
EVP, CFO and Assistant Sec.
$258k
1,915 shares
-12%
6Weak
SITEsell10b5-1
SiteOne Landscape Supply, Inc.
Fred M Diaz
director
$125k
865 shares
-7%
15Weak
SITEsell10b5-1
SiteOne Landscape Supply, Inc.
Doug Black
CEO
$975k
7,384 shares
-1%
23Weak
SITEsell 210b5-1
SiteOne Landscape Supply, Inc.
Doug Black
CEO
$3.8M
29,760 shares
-5%
33Weak
SITEsell 210b5-1
SiteOne Landscape Supply, Inc.
Joseph Ketter
EVP, Human Resources
$5.0M
39,640 shares
-74%
15Weak
SITEsell10b5-1
SiteOne Landscape Supply, Inc.
Doug Black
CEO
$974k
7,386 shares
-1%

Not investment advice. Scores and forward returns are decision support built from public SEC filings and past prices; they describe what happened after comparable filings, not what will happen after this one. Do your own research and size your risk.

Doug Black bought $481k of SITE | InsiderTell