TITLE: GCN CIRCULAR NUMBER: 40729 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 771596290/250614513 is not a GRB DATE: 25/06/14 13:13:42 GMT FROM: Cuán de Barra at UCD C.de Barra (University College Dublin) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 771596290/250614513 at 12:18:05.02 UT on 14 June 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to local particle activity."