Dinesh V. Ph.D. Patel, President and CEO of Protagonist Therapeutics, Inc. (PTGX), sold 54,641 shares of the company's stock on March 25, 2026. The transaction, executed at a price of $101.00 per share, amounted to approximately $5.52 million.

This sale represents a notable disposition of shares by a key executive. Insider sales can be driven by various factors, including portfolio diversification, tax obligations, or participation in pre-arranged trading plans, and do not necessarily indicate a negative view of the company's prospects.

The sale follows other recent insider transactions at Protagonist Therapeutics, Inc., including several smaller sales by Mr. Patel and a sale by director Lewis T. Williams earlier in the year.