Summary
Updated Aug 31, 2026
William L. Cornog is Director of BrightView Holdings, Inc. (BV). 17 SEC Form 4 filings on record going back to 2024, most recently on 6 August 2026. Most recent open-market trade: bought $112K of BV on 6 August 2026. Lifetime open-market purchases: $1.61M. Lifetime open-market sales: $486. Historical track record: 4/5 stars across 7 tracked purchases.
Recent Transactions
19Every recent SEC Form 4 transaction William L. Cornog has reported, most recent first.
Track Record
InsiderAlpha computes a forward-return-based score for every insider with enough Form 4 purchase history. The metrics below reflect realized performance after each tracked open-market purchase.
| Metric | Value |
|---|---|
| InsiderAlpha rating | ★★★★☆ (4/5) |
| Total purchases tracked | 7 |
| Purchases with forward-return data | 7 |
| 30-day win rate | 71% |
| 90-day win rate | 86% |
| Avg 5-day return | +5.71% |
| Avg 30-day return | +11.47% |
| Avg 90-day return | +21.59% |
| Best 30-day return | +39.62% |
Trading Pattern
InsiderAlpha's records for William L. Cornog go back to 2024: 17 primary Form 4 filings, an average of 5.7 per year. The typical open-market purchase is $179K (9 buys totaling $1.61M). The largest single buy on record is $495K of AZTA in 2024. Sales side: 1 recorded sale totaling $486, so the filing history runs buy-heavy by dollar value. No transaction on record carries a Rule 10b5-1 flag - the filings look discretionary rather than pre-scheduled, which makes their timing more informative as a signal.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies William L. Cornog files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Karim Donnez - $537K of LVWR open-market activity in the last 12 months
- Jonathan Mark Gottsegen - $442K of BV open-market activity in the last 12 months
- Kjell Gruner - $213K of LVWR open-market activity in the last 12 months
- Jeremiah Nienhuis - $25K of LVWR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is William L. Cornog?
William L. Cornog is a corporate insider, tracked as Director of BrightView Holdings, Inc. (BV). InsiderAlpha holds 17 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has William L. Cornog submitted recently?
3 primary Form 4 filings in the last 90 days, covering 2 companies.
Has William L. Cornog been buying or selling stock?
Recorded transactions: 9 open-market purchases ($1.61M) and 1 open-market sale ($486) across all tracked filings.
How accurate is William L. Cornog's historical track record?
Across 7 tracked purchases, William L. Cornog averaged +11.5% avg 30-day return with a 71% 30-day win rate. InsiderAlpha rates the track record at 4/5 stars.
Where can I see all of William L. Cornog's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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