Protagonist Therapeutics, Inc insider trading
PTGX$140.63+0.57 (+0.41% today)
“Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise.”
Insider Trading vs Stock Price
Insider Trading vs Stock Price data
Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+119.3%). 0 insider transactions plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Open market purchase
Open market sellNet dollar flow · Buy / Sell balance
PremiumQ1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26
Unlock quarterly net flowKey players
- DVDinesh V. Ph D. Patel0.8082%
- SGSuneel Gupta0.4133%
- AMArturo Molina M.D.0.13%
- HEHarold E. Selick0.094%
- AAAsif Ali0.0912%
- BGBryan Giraudo0.0873%
- WDWilliam D. Waddill0.0121%
- SASarah A. O'Dowd0.0121%
- LTLewis T. Williams0.0121%
AI Activity Analysis
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Insider activity
Fromto
| Company | Insider / role | Action | ΔOwn | Avg price | Amount | ||
|---|---|---|---|---|---|---|---|
| PTGX | Bryan Giraudo | Open market sell$513K | -8.3% | $100.00 | $513K | May 8, 2026 | May 11, 2026 |
| PTGX | Bryan Giraudo | Open market sell$600K | -9.6% | $100.00 | $600K | May 8, 2026 | May 11, 2026 |
| PTGX | Asif Ali | Open market sell$185K | -2.9% | $105.47 | $185K | Apr 20, 2026 | Apr 21, 2026 |
| PTGX | Arturo Molina M.D. | Open market sell$1.08M | -13.5% | $82.42 | $1.08M | Jan 23, 2026 | Jan 27, 2026 |
| PTGX | Arturo Molina M.D. | Open market sell$785K | -8.9% | $82.48 | $785K | Jan 20, 2026 | Jan 21, 2026 |
| PTGX | Dinesh V. Ph D. Patel | Open market sell$2.84M | -5.6% | $82.48 | $2.84M | Jan 20, 2026 | Jan 21, 2026 |
| PTGX | Asif Ali | Open market sell$708K | -9.9% | $82.48 | $708K | Jan 20, 2026 | Jan 21, 2026 |
| PTGX | Arturo Molina M.D. | Open market sell$230K | -3.2% | $84.77 | $230K | Nov 17, 2025 | Nov 19, 2025 |