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Dere Willard H

DateNameSymbolTypeSecuritySharesPriceValueOwnershipReported
10/02/2023Mersana Therapeutics, Inc.MRSNGrantCommon Stock11k$0.00$0 10/02/2023
07/03/2023Mersana Therapeutics, Inc.MRSNGrantCommon Stock4.2k$0.00$0 07/03/2023
06/08/2023Mersana Therapeutics, Inc.MRSNGrantCommon Stock14.5k$0.00$0 06/08/2023
06/08/2023Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)18.4k$8.64$158.6k 06/08/2023
05/23/2023BIOMARIN PHARMACEUTICAL INCBMRNGrantCommon Stock4.2k$0.00$0 05/23/2023
04/03/2023Mersana Therapeutics, Inc.MRSNGrantCommon Stock3.4k$0.00$0 04/03/2023
08/15/2022Radius Health, Inc.RDUSOtherCommon Stock21.3k$10.00$213k 08/15/2022
08/15/2022Radius Health, Inc.RDUSDispositionCommon Stock1.9k$10.00$19k 08/15/2022
08/15/2022Radius Health, Inc.RDUSDispositionStock Option (Right to Buy)10k$6.40$64k 08/15/2022
07/05/2022Seres Therapeutics, Inc.MCRBGrantCOMMON STOCK31.7k$3.15$100k 07/05/2022
06/22/2022Seres Therapeutics, Inc.MCRBGrantStock Option (right to buy)35k$3.22$112.7k 06/22/2022
06/09/2022Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)45k$3.62$162.9k 06/09/2022
05/24/2022BIOMARIN PHARMACEUTICAL INCBMRNGrantCommon Stock5k$0.00$0 05/24/2022
01/14/2022Radius Health, Inc.RDUSGrantCommon Stock5.5k$0.00$0 01/14/2022
01/14/2022Radius Health, Inc.RDUSGrantStock Option (Right to Buy)10k$6.40$64k 01/14/2022
01/03/2022Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)12.8k$6.44$82.7k 01/03/2022
06/16/2021Seres Therapeutics, Inc.MCRBGrantStock Option (right to buy)23k$19.74$454k 06/16/2021
06/11/2021Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)25k$14.90$373.2k 06/11/2021
05/25/2021BIOMARIN PHARMACEUTICAL INCBMRNGrantCommon Stock5.1k$0.00$0 05/25/2021
02/22/2021Radius Health, Inc.RDUSGrantStock Option (Right to Buy)10k$18.60$186k 02/22/2021
02/22/2021Radius Health, Inc.RDUSGrantCommon Stock5.5k$0.00$0 02/22/2021
01/21/2021Radius Health, Inc.RDUSGrantStock Option (Right to Buy)20k$22.00$440k 01/21/2021
01/15/2021Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)3.1k$21.09$66.2k 01/15/2021
06/26/2020BIOMARIN PHARMACEUTICAL INCBMRNSaleCommon Stock4.4k$123.61$547.6k 06/26/2020
06/25/2020Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)9.2k$22.90$210.7k 06/25/2020
06/18/2020Seres Therapeutics, Inc.MCRBGrantStock Option (right to buy)30k$4.40$132k 06/18/2020
05/27/2020BIOMARIN PHARMACEUTICAL INCBMRNGrantCommon Stock4.3k$0.00$0 05/27/2020
02/26/2020Radius Health, Inc.RDUSSaleCommon Stock1.9k$17.95$34.6k 02/26/2020
02/20/2020Radius Health, Inc.RDUSGrantCommon Stock5.5k$0.00$0 02/20/2020
02/20/2020Radius Health, Inc.RDUSGrantCommon Stock (Right to Buy)10k$19.96$199.6k 02/20/2020
01/02/2020Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)11.3k$5.36$60.4k 01/02/2020
06/13/2019Seres Therapeutics, Inc.MCRBGrantStock Option (right to buy)15k$2.83$42.4k 06/13/2019
06/07/2019Mersana Therapeutics, Inc.MRSNGrantStock Option (right to buy)25k$4.31$107.8k 06/07/2019
06/04/2019BIOMARIN PHARMACEUTICAL INCBMRNGrantCommon Stock4.4k$0.00$0 06/04/2019
04/16/2019Radius Health, Inc.RDUSSaleCommon Stock1.7k$22.22$37.3k 04/16/2019
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