A CEO, CFO, COO or director of an issuer (the first issuer) who is designated or determined to be an insider of another issuer (the second issuer) under subsection 1.2(2) or 1.2(3) must file, within 10 days of being designated or determined to be an insider of the second issuer, the insider reports that a reporting insider of the second issuer would have been required to file under Part 3 and Part 4 for all transactions involving securities of the second issuer or related financial instruments involving securities of the second issuer, that occurred in the previous six months or for such shorter period that the individual was a CEO, CFO, COO or director of the first issuer.