Each 1099 holder must report their share separately.
If you have not filed this form in previous years, I would suggest you contact the CRA or sign into your "MyAccount" with the CRA and determine if these have been filed, and if not, how to go about adjusting your previous years return.
Contact CRA : https://www.canada.ca/en/revenue-agency/corporate/contact-information.html
For further assistance, please review the link below to assist you in entering in your US 1099 income:
How do I enter foreign income that is subject to a tax
treaty?
https://turbotax.community.intuit.ca/replies/2647756