** Drug developer Sangamo Therapeutics' shares SGMO.O fall 47.4% to $1.23 in extended trading
** SGMO said that Pfizer PFE.N terminated partnership to develop hemophilia A gene therapy
** Co's collaboration and license agreement with Pfizer will terminate, effective April 21, 2025
** In July, PFE announced positive results from a late-stage study of therapy
** SGMO said it plans to explore all options to commercialize the hemophilia A gene therapy, including seeking a new partner
** Up to Monday's close, SGMO is up 330.7% YTD
(Reporting by Rishi Kant in Bengaluru)
((Rishi.Kant@thomsonreuters.com))