162. A person or company that has filed or is required to file a report under this section or sections 159 to 161, and whose insider interest in the corporation changes from that shown or required to be shown in such report or in the latest report filed by him or it under this section or sections 159 to 161 shall, within ten days following the end of the month in which such change takes place, if he or it was an insider of the corporation at any time during such month, file with the Commission a report of his or its insider interest in the corporation at the end of such month and the change or changes therein that occurred during the month giving such details of each transaction as may be required by the regulations.