TITLE: GCN CIRCULAR NUMBER: 40155 SUBJECT: Fermi Gamma-ray Burst Monitor trigger 766505186/250416588 (GRB 250416A) is not a GRB DATE: 25/04/17 04:59:28 GMT FROM: Lorenzo Scotton at UAH lscottongcn@outlook.com

L. Scotton (UAH) and O. Mukherjee (USRA) report on behalf of the Fermi Gamma-ray Burst Monitor Team:

"The Fermi Gamma-ray Burst Monitor (GBM) trigger 766505186/250416588 at 14:06:21.40 UT on 16 April 2025, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to distant particles."

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