This is the SuperSID data from the X1.13 class solar flare that occurred on Tuesday 2022 May 03, peaking at 13:25 UTC (-4=09:25 EDT).
This is not too surprising as this SuperSID station monitors the ionosphere between southeastern Ontario and the coast of Maine, USA, to our east. The Sun was also away over to the east when this happened.
This is the new, still testing, graph produced with NOAA event annotations.

So it is *not* surprising that the RadioJOVE system did not capture the event, being outside of its detection area.