Summary
Updated Aug 30, 2026
David Shapiro files SEC Form 4 reports at Design Therapeutics, Inc. (DSGN). 2 SEC Form 4 filings on record, most recently on 11 June 2026.
Trading Pattern
InsiderAlpha's records for David Shapiro go back to 2026: 2 primary Form 4 filings, an average of 2.0 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 have reported open-market trades at the same companies as David Shapiro. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Arsani William - $2.95M of DSGN open-market activity on record
- Deepa Prasad - $24K of DSGN open-market activity on record
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is David Shapiro?
David Shapiro is a corporate insider of Design Therapeutics, Inc. (DSGN). 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 David Shapiro submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Where can I see all of David Shapiro'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 David Shapiro 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