Summary
Updated Aug 31, 2026
H.C. Charles Diao is Director of Turning Point Brands, Inc. (TPB). 3 SEC Form 4 filings on record going back to 2025, most recently on 14 May 2026.
Recent Transactions
3Every recent SEC Form 4 transaction H.C. Charles Diao has reported, most recent first.
Trading Pattern
InsiderAlpha's records for H.C. Charles Diao go back to 2025: 3 primary Form 4 filings, an average of 1.5 per year. 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 H.C. Charles Diao 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.
- Ronald J. Kramer - $19.73M of GFF open-market activity in the last 12 months
- Robert F. Mehmel - $9.40M of GFF open-market activity in the last 12 months
- Lawrence Wexler - $4.64M of TPB open-market activity in the last 12 months
- Brian G. Harris - $3.02M of GFF open-market activity in the last 12 months
- Brittani Cushman - $1.55M of TPB open-market activity in the last 12 months
- Seth L. Kaplan - $1.43M of GFF 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 H.C. Charles Diao?
H.C. Charles Diao is a corporate insider, tracked as Director of Turning Point Brands, Inc. (TPB). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did H.C. Charles Diao last file a Form 4?
The most recent primary Form 4 on record is dated 14 May 2026, one of 3 filings going back to 2025.
Where can I see all of H.C. Charles Diao'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.
Learn More
Follow H.C. Charles Diao and every insider like them
A free account opens the full scored daily plan and every past day, a watchlist for any ticker, and 3 months of price history on every company page. No card.
Free plan available · Paid plans start with a 7-day free trial