Trade Summary

6 days ago, Giraudo Bryan, serving as Dir at Protagonist Therapeutics, Inc (PTGX), sold 59,130 shares at $100.10 per share, for a total transaction value of $5,918,880.00. Following this transaction, Giraudo Bryan now holds 12,695 shares of PTGX.

This sale represents a 82.00% decrease in Giraudo Bryan's stake in the company. This is considered a high-conviction trade given the significant change in ownership.

The trade was executed on Thursday, May 7, 2026 and publicly disclosed via SEC Form 4 filing on Monday, May 11, 2026, 4 days after the trade was made.

Protagonist Therapeutics, Inc operates in the HEALTHCARE sector, specifically within the BIOTECHNOLOGY industry. Insider selling activity in this sector can provide valuable signals about industry trends and company-specific developments.