Summary
Updated Aug 31, 2026
Dinesh V. Ph D. Patel is President and CEO, Director of Protagonist Therapeutics, Inc (PTGX). 15 SEC Form 4 filings on record going back to 2024, most recently on 12 August 2026. Most recent open-market trade: sold $5.09M of PTGX on 12 August 2026. Lifetime open-market sales: $50.47M.
Recent Transactions
20Every recent SEC Form 4 transaction Dinesh V. Ph D. Patel has reported, most recent first.
Trading Pattern
InsiderAlpha's records for Dinesh V. Ph D. Patel go back to 2024: 15 primary Form 4 filings, an average of 5.0 per year. 9 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Dinesh V. Ph D. Patel 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.
- Asif Ali - $7.32M of PTGX open-market activity in the last 12 months
- Bryan Giraudo - $5.92M of PTGX open-market activity in the last 12 months
- William D. Waddill - $5.84M of PTGX open-market activity in the last 12 months
- Arturo Md Molina - $4.49M of PTGX open-market activity in the last 12 months
- Harold E. Selick - $2.52M of PTGX open-market activity in the last 12 months
- Lewis T. Williams - $1.48M of PTGX 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 Dinesh V. Ph D. Patel?
Dinesh V. Ph D. Patel is a corporate insider, tracked as President and CEO, Director of Protagonist Therapeutics, Inc (PTGX). InsiderAlpha holds 15 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 Dinesh V. Ph D. Patel submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Dinesh V. Ph D. Patel been buying or selling stock?
Recorded transactions: 0 open-market purchases and 17 open-market sales ($50.47M) across all tracked filings.
Where can I see all of Dinesh V. Ph D. Patel'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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