Every person who is directly or indirectly the beneficial owner of more than ten percent of any class of any equity security of a domestic stock insurance company, or who is a director or an officer of the company, shall file in the office of the commissioner within ten days after becoming beneficial owner, director, or officer a statement, in the form the commissioner prescribes, of the amount of all equity securities of the company of which the person is the beneficial owner. Within ten days after the close of each month when there has been a change in ownership during the month, the person shall file in the office of the commissioner a statement, in the form the commissioner prescribes, indicating the person’s ownership at the close of the month and any changes in the person’s ownership which occurred during the month.