The city now has a total of 25,788 Covid-19 cases.
According to City Health Office medical officer Dr. Teodoro Yu Jr., all four new Covid-19 cases were local index cases.
The active cases in Cagayan de Oro went down to 23, of which 12 were admitted to the Northern Mindanao Medical Center and other hospitals in the city and 11 were outpatients.
Over the weekend, the city recorded seven recoveries, bringing the total number of recoveries in Cagayan de Oro to 24,830.
The number of Covid-19 deaths in the city is now at 935.