CSA Staff Notice 55-316 Questions and Answers on Insider Reporting and SEDI
4 Insider Information
4.3 Insider Report
Section 4.3.18

Do I Have To Report All My Holdings Of Securities And Related Financial Instruments Of The SEDI Issuer Or Just The Securities And Related Financial Instruments In Respect Of Which My Ownership Or Control Has Changed?

The first time you file on SEDI, you must report all of your holdings of securities and related financial instruments of the SEDI issuer. Subsequently, you only need to report changes in interests in, or new interests in securities and related financial instruments, or changes in control or direction over, securities and related financial instruments of the SEDI issuer.