BlackRock, Inc. (BLK) 13D/13G Filings for Acceleron Pharma Inc. (XLRN)

BlackRock, Inc. 13D and 13G filings for Acceleron Pharma Inc.:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Shares have been adjusted for stock splits.
Time period
Reported
DateTime		 Transaction
Date		 Type Company
Symbol		 Filed By
Symbol		 Shares Owned
% Owned		 Shares Vs. Prev Report View
2021-01-28
5:55 pm
Sale		 2020-12-31 13G Acceleron Pharma Inc.
XLRN		 BlackRock Inc.
BLK		 4,611,814
7.700%		 -780,454decrease
(-14.47%)		 Filing
2020-06-09
4:33 pm
Purchase		 2020-05-31 13G Acceleron Pharma Inc.
XLRN		 BlackRock Inc.
BLK		 5,392,268
10.000%		 504,467increase
(+10.32%)		 Filing