The bank had named Gibson as interim CFO in April when it fired Nadine Ahn
In its filings, RBC says there's overwhelming evidence Nadine Ahn, Ken Mason breached company policy
RBC announced on April 5 it had fired Nadine Ahn, Ken Mason after an internal review
The results put RBC as the best banking performer of the quarter: analyst
Removal of competitor could raise already-elevated bank fees, report says