Sobi, Apellis Sobi to amend existing agreement with Apellis for ex-U.S. royalties of Aspaveli® 07.08.2025 - 18:06:53 Swedish Orphan Biovitrum AB Sweden View original content:https://www.prnewswire.co.uk/news-releases/sobi-to-amend-existing-agreement-with-apellis-for-ex-us-royalties-of-aspaveli-systemic-pegcetacoplan-302495633.html