Historical shareholding details of Dr. James I. Healy, M.D.,PhD holdings in Y-Mabs Therapeutics Inc (YMAB)

Monthly changes of Dr. James I. Healy, M.D.,PhD shareholding in Y-Mabs Therapeutics Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jun 30, 2025	Dr. James I. Healy, M.D.,Phd	56,683	0.14%

Jun 11, 2024	Dr. James I. Healy, M.D.,Phd	31,603	0.08%

Jun 08, 2023	Dr. James I. Healy, M.D.,Phd	28,108	0.07%

Jan 15, 2020	Dr. James I. Healy, Phd	25,778	0.06%