William D. Waddill sold $1.1M of PTGX stock

William D. Waddill, Dir of Protagonist Therapeutics, Inc (PTGX), sold 9,000 shares of PTGX stock worth $1.1M, per an SEC Form 4 filed Jun 25, 2026.

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

The trade happened on Jun 23, 2026, 2 days before it was made public.

PTGX has moved +13.0% since the trade date, from $118.96 to $134.38 (Nov 12, 2026 close).