Dinesh V Ph D Patel sold $14.9M of PTGX stock

Dinesh V Ph D Patel, President and CEO of Protagonist Therapeutics, Inc (PTGX), sold 100,000 shares of PTGX stock worth $14.9M, per an SEC Form 4 filed Aug 12, 2026.

The sale was pre-arranged (a 10b5-1 plan or an option exercise), not a fresh decision.

The trade happened on Aug 10, 2026, 2 days before it was made public.

PTGX has moved -10.4% since the trade date, from $150.00 to $134.38 (Nov 12, 2026 close).