TITLE: GCN CIRCULAR NUMBER: 43766 SUBJECT: GRB 260216A: Fermi Gamma-ray Burst Monitor trigger 792969362/260216886 is not a GRB DATE: 26/02/17 04:23:20 GMT FROM: Boyan A. Hristov at UAH B. Hristov (UAH) reports on behalf of the Fermi Gamma-ray Burst Monitor Team: "The Fermi Gamma-ray Burst Monitor (GBM) trigger 792969362/260216886 at 21:15:57.07 UT on 16 February 2026, tentatively classified as a GRB, is in fact not due to a GRB. This trigger is likely due to distant particles."