Barclays: $BMRN Roctavian HemoA gene therapy 4-yr update could be expected around end of May/beginning of June.  Mgmt expected the 4-year update around similar time line as 3-yr update  (May 28, 2019). Roctavian could be priced between $1.5-3M per mgmt $SGMO $PFE $ONCE