Navigate to the Category or Subcategory that contains the pages you want to reassign ownership of.

Check the checkbox to enter into the bulk action menu.

Select the pages you want to change ownership of by checking the boxes next to them.

Click the Change Owner button.

Click into the Select new owner input.

Search or scroll to find the name of the new owner you want for the selected pages.

Once selected, click the Save button to transfer the ownership of the selected pages.

You'll then be taken page to the Category or Subcategory view and see a success message and the updated ownership for the pages you had selected.