Discover the full record of transactions filed by Waddill William D., Director. Insider active across 2 companies, notably Arrowhead Pharmaceuticals, INC.. In total, 7 reports have been recorded. Total volume traded: €512k. The latest transaction was disclosed on 19 December 2025 (Cession). Regulator: SEC (Form 4). The full history is openly available.
William D. Waddill is a Director at Arrowhead Pharmaceuticals, Inc. and Protagonist Therapeutics, Inc. As a board member, he contributes to the governance of these companies and strategic decision-making. His experience in the pharmaceutical sector allows him to make significant contributions.