Historical shareholding details of Dr. Eric K. Rowinsky,M.D. holdings in Biogen Inc (BIIB)

Monthly changes of Dr. Eric K. Rowinsky,M.D. shareholding in Biogen Inc over the previous months

Month Name Total no. shares held Percent Holding
Jun 17, 2025 Dr. Eric K. Rowinsky,M.D. 24,339 0.01%
Jun 21, 2024 Dr. Eric K. Rowinsky,M.D. 21,969 0.01%
Feb 15, 2024 Dr. Eric K. Rowinsky,M.D. 20,629 0.01%
Jun 26, 2023 Dr. Eric K. Rowinsky,M.D. 20,174 0.01%
Jun 15, 2022 Dr. Eric K. Rowinsky,M.D. 19,214 0.01%

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