BLACK DOUG
CEO
PurchaseAlert
- Shares
- 5,000
- Price
- $96.13
- Value
- $480,650
SEC EDGAR · Forms 3/4/5Updated through Oct 30, 2026•53 filings
SITE
SiteOne Landscape Supply, Inc.
Net purchases of $1.3M over the last 3 months
1 buyer account for the net balance. There is no cluster of three distinct buyers within 30 days. We found 3 CEO/CFO purchases over 12 months.
How to read this signal
Only open-market P purchases and S sales count toward the signal. Vesting, options, taxes and gifts remain in the source data but do not trigger alerts. Rule 10b5-1 trades are shown as informational.
3-month balance
+$1,296,930
1 buyers · 0 sellers
12-month purchases
$1,544,130
2 distinct insiders
12-month sales
$665,142
3 distinct insiders
Highlighted alerts
6
4 Rule 10b5-1 trades treated as informational
Buying cluster · 30 days
Fewer than three distinct buyers
CEO/CFO purchases · 12 months
3 executive purchases found
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Form 4 raw → Raspberry
The value is in what we do not call a signal.
The SEC XML stores every transaction. Raspberry keeps that evidence, reads the footnotes and separates voluntary open-market activity from vesting, option exercises, gifts, tax withholding, stock purchase and dividend reinvestment plans and pre-programmed 10b5-1 trades.
100
Raw transactions
Everything returned by the filing
10
Voluntary view
P/S trades after deterministic checks
93
Administrative noise
Stored, never alerted
2
10b5-1
Shown as informational
SEC ownership XML facts
- Code
- F
- Shares
- 160
- Price
- $103.82
- Footnotes
- 2
Filed to report vesting of Restricted Stock Units ("RSUs"). RSUs convert into common stock on a one-for-one basis. On June 2, 2025, the Reporting Person was granted 2,189 RSUs, vesting in four equal annual installments beginning on June 2, 2026, subject to the Reporting Person's continued employment.
Recent transactions
Voluntary purchases and sales; administrative noise stays hidden.
BLACK DOUG
CEO
PurchaseAlert
- Shares
- 4,000
- Price
- $102.13
- Value
- $408,520
BLACK DOUG
CEO
PurchaseAlert
- Shares
- 4,000
- Price
- $101.94
- Value
- $407,760
Diaz Fred M
Director
Sale 10b5-1
- Shares
- 562
- Price
- $112.52
- Value
- $63,236
Diaz Fred M
Director
Sale 10b5-1
- Shares
- 563
- Price
- $115.13
- Value
- $64,818
Laughlin Daniel T.
SVP, Strategy & Development
PurchaseAlert
- Shares
- 2,000
- Price
- $123.60
- Value
- $247,200
Elema Eric J
EVP, CFO and Assistant Sec.
SaleAlert
- Shares
- 1,765
- Price
- $158.01
- Value
- $278,888
GUTHRIE JOHN T
EVP, CFO and Assistant Sec.
SaleAlert
- Shares
- 1,915
- Price
- $134.83
- Value
- $258,199
Diaz Fred M
Director
Sale 10b5-1
- Shares
- 865
- Price
- $145.07
- Value
- $125,486
BLACK DOUG
CEO
Sale 10b5-1
- Shares
- 7,384
- Price
- $132.09
- Value
- $975,353
| Date | Insider | Transaction | Shares | Price | Value | Reading |
|---|---|---|---|---|---|---|
| Aug 26, 2026 | BLACK DOUG CEO | Purchase | 5,000 | $96.13 | $480,650 | |
| Aug 04, 2026 | BLACK DOUG CEO | Purchase | 4,000 | $102.13 | $408,520 | |
| Aug 04, 2026 | BLACK DOUG CEO | Purchase | 4,000 | $101.94 | $407,760 | |
| May 28, 2026 | Diaz Fred M Director | Sale | 562 | $112.52 | $63,236 | |
| May 27, 2026 | Diaz Fred M Director | Sale | 563 | $115.13 | $64,818 | |
| May 06, 2026 | Laughlin Daniel T. SVP, Strategy & Development | Purchase | 2,000 | $123.60 | $247,200 | |
| Feb 13, 2026 | Elema Eric J EVP, CFO and Assistant Sec. | Sale | 1,765 | $158.01 | $278,888 | |
| Nov 26, 2025 | GUTHRIE JOHN T EVP, CFO and Assistant Sec. | Sale | 1,915 | $134.83 | $258,199 | |
| Aug 29, 2025 | Diaz Fred M Director | Sale | 865 | $145.07 | $125,486 | |
| Jul 25, 2025 | BLACK DOUG CEO | Sale | 7,384 | $132.09 | $975,353 |
“Alert” means a voluntary, unscheduled transaction according to the filing; it is not an investment recommendation. Official source: SEC EDGAR.