Mediation results where MV and IV become insignificant

I have been running some mediation models and have come across a finding where individually the IndVar-DepVar and Mediator-DepVar relationships are both statistically significant, but when I examine the model that contains the IndVar and the Mediator, neither are significantly associated with he DV.

I have been searching for days for help on how to interpret this finding. Can I still conclude that my intended mediator mediates the IndVar-DepVar relationship even though it isn't statistically significant in the comprehensive model either?

I would really appreciate help on how to interpret this finding. Thank you so much in advance!