Net worth context from calculable public holdings
For net-worth context, Grizzly Bulls can currently identify and value $42.0M in Doug Black's supported SEC-disclosed public-company holdings.
This figure is not a complete personal net-worth estimate. Exact total net worth is not publicly known. This estimate reflects only supported direct public-company holdings that Grizzly Bulls can currently identify and value from SEC filings. It may omit private assets, liabilities, indirect holdings, and unsupported securities.
- Supported public holdings
- $42.0M
- Positions included
- 1
- Source filings
- 1
- Position knowledge through
- Oct 10, 2026
Latest SEC-reported relationship
CEO · Director at SiteOne Landscape Supply, Inc.
Reported in an ownership filing filed Aug 28, 2026. This is filing relationship evidence, not a claim that the role or ownership relationship remains current today.
SEC evidence snapshot
The current profile contains 1 supported position across 1 public company, backed by 1 distinct SEC filing.
The largest included position is SiteOne Landscape Supply, Inc. at $42.0M, or about 100.0% of the supported public-holdings total.
The latest filing represented was filed Aug 28, 2026. Current values use 1 supported valuation date across the included positions.
Current disclosed public-company holdings
These are supported direct positions traced to SEC ownership filings. Share counts use the current supported share basis, while each value uses the valuation date shown below.
| Company | Security | Current basis units | Current value | Position reported | Valuation date | SEC source |
|---|
NYSE:SITE | Common Stock, $0.01 par value per share | 482,161 | $42,005,866.32 | Aug 26, 2026 | Oct 9, 2026 | Form 4 Filed Aug 28, 2026 0001104659-26-103314 |
Latest filing represented: Aug 28, 2026. The table includes 1 distinct SEC filing.
Recent SEC insider transactions
Recent supported direct, non-derivative transactions attributed to this person by exact reviewed SEC reporting-owner identity. Ordered by filing date, not transaction size. This history covers only companies and transactions currently supported in our SEC data; it is not a complete trading history, a measure of proceeds, or a measure of current wealth.
No qualifying transactions for this person are included in our currently supported recent SEC transaction history. This does not mean the person made no transactions.
