To cancel your marketplace access subscription, navigate to your film's project page. Relevant links can be found on your Slated home page or by clicking on your profile image in the upper right-hand corner of the Slated site.
Once on your film page, click edit settings.
In the ensuing page, scroll down to subscriptions and click deactivate.
Your page will remain active in the Slated marketplace until the end of your current billing cycle.