Sobi to amend existing agreement with Apellis for ex-U.S. royalties of Aspaveli\u00ae (systemic pegcetacoplan)

  • STOCKHOLM , July 1, 2025 /PRNewswire/ -- Sobi\u00ae (STO: SOBI), today announced a capped royalty purchase agreement with Apellis Pharmaceuticals, Inc. under which Sobi will reduce its ex-US royalty obligations to Apellis by 90% for Aspaveli\u00ae (systemic pegcetacoplan) in exchange for $275 million upfront and up to $25 million in additional milestone payments dependent on regulatory approvals in the European Union for C3 glomerulopathy (C3G) and primary immune complex membranoproliferative glomerulonephritis (IC-MPGN). "We are pleased to continue our ongoing partnership with Apellis and share their strong belief in Aspaveli/EMPAVELI's potential to deliver significant long-term growth," said Guido Oelkers, Chief Executive Officer at Sobi.