Need Help Populating Contact Data for Job Change Alerts in Clay

Hi there, I'm hoping to use Clay to learn when a contact changes their job, find the new company name, and automatically send an email to the new email address. I imported a list of contacts from HubSpot, however only the email addresses populated in the table. I need all parameters to populate, or at least Full Name, Email and LinkedIn Profile which are all required for the job changers signal. Here's my table.