Summary
Updated Aug 31, 2026
Charles J. Chapman III is Director of Shake Shack Inc. (SHAK). 2 SEC Form 4 filings on record, most recently on 12 June 2026. Most recent open-market trade: bought $13K of SHAK on 18 May 2026. Lifetime open-market purchases: $123K. Historical track record: 1/5 stars across 3 tracked purchases.
Recent Transactions
4Every recent SEC Form 4 transaction Charles J. Chapman III 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 | ★☆☆☆☆ (1/5) |
| Total purchases tracked | 3 |
| Purchases with forward-return data | 3 |
| 30-day win rate | 0% |
| 90-day win rate | 100% |
| Avg 5-day return | +5.07% |
| Avg 30-day return | -3.33% |
| Avg 90-day return | +21.90% |
| Best 30-day return | -3.33% |
Trading Pattern
InsiderAlpha's records for Charles J. Chapman III go back to 2026: 2 primary Form 4 filings, an average of 2.0 per year. The typical open-market purchase is $41K (3 buys totaling $123K). The largest single buy on record is $61K of SHAK in 2026. 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 Charles J. Chapman III 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.
- Daniel Harris Meyer - $2.00M of SHAK open-market activity in the last 12 months
- Josh Silverman - $501K of SHAK open-market activity in the last 12 months
- Robert Lynch - $302K of SHAK open-market activity in the last 12 months
- Sumaiya Balbale - $250K of SHAK open-market activity in the last 12 months
- Stephanie Ann Sentell - $161K of SHAK open-market activity in the last 12 months
- Jeffrey Flug - $61K of SHAK 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 Charles J. Chapman III?
Charles J. Chapman III is a corporate insider, tracked as Director of Shake Shack Inc. (SHAK). InsiderAlpha holds 2 primary Form 4 filings for them, the earliest from 2026, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Charles J. Chapman III submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Charles J. Chapman III been buying or selling stock?
Recorded transactions: 3 open-market purchases ($123K) and 0 open-market sales across all tracked filings.
How accurate is Charles J. Chapman III's historical track record?
Across 3 tracked purchases, Charles J. Chapman III averaged -3.3% avg 30-day return with a 0% 30-day win rate. InsiderAlpha rates the track record at 1/5 stars.
Where can I see all of Charles J. Chapman III'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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