Historical shareholding details of Mr. David W. Gryska, M.B.A. holdings in Seagen Inc (SGEN)

Monthly changes of Mr. David W. Gryska, M.B.A. shareholding in Seagen Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
May 31, 2023	Mr. David W. Gryska, M.B.A.	51,047	0.03%

Feb 13, 2023	Mr. David W. Gryska, M.B.A.	49,003	0.03%