PROTAGONIST THERAPEU (PTGX) insider trading activity (SEC Form 4). Over the trailing 90 days, PTGX insiders filed 0 purchases totalling $0 and 5 sales totalling $16.4M — net SELLING of $16.4M. Most recent filing: Jun 25, 2026. Insider transactions are a Pro-tier alertable signal in the live Top Tier Newswire terminal — Form 4 filings reach the wire within minutes of acceptance by the SEC. Data shown publicly here is delayed 4 hours.
| Filed | Insider | Role | Type | Shares | Price | Value | |
|---|---|---|---|---|---|---|---|
| Jun 25, 2026 | Waddill William D. | Dir | S SaleOE | — | $117.94 | $1.1M | filing |
| Jun 11, 2026 | Waddill William D. | Dir | S SaleOE | — | $107.68 | $969K | filing |
| Jun 1, 2026 | Waddill William D. | Dir | S SaleOE | — | $99.64 | $897K | filing |
| May 12, 2026 | Patel Dinesh V Ph D | Pres, CEO | S SaleOE | — | $100.12 | $7.5M | filing |
| May 11, 2026 | Giraudo Bryan | Dir | S SaleOE | — | $100.10 | $5.9M | filing |