S.C. Code Ann. § 38-23-40: Beneficial owners, directors, and officers of domestic stock insurers shall file statements.

Every beneficial owner, director, or officer of a domestic stock insurer shall file in the office of the department within ten days after he becomes a beneficial owner, director, or officer a statement, in a form the director or his designee may prescribe, of the amount of all equity securities of the insurer which he beneficially owns. Within ten days after the close of each calendar month thereafter, if there has been a change in his ownership during the month, he shall file in the office of the department a statement, in a form the director or his designee may prescribe, indicating his ownership at the close of the calendar month and the changes in his ownership which have occurred during the calendar month.