CSA Staff Notice 55-316 Questions and Answers on Insider Reporting and SEDI
4 Insider Information
4.5 Reporting Transactions
Section 4.5.7

When Do I Report Changes To My Holdings As A Result Of Share Consolidations/Splits?

You, the reporting insider, need to report these changes in your holdings resulting from an issuer event the next time you need to file an insider report. See Part 8 of NI 55-104.