S.C. Code Ann. § 35-2-204

As used in this article, "beneficial owner", when used with respect to any shares, means a person that: (1) individually or with or through any of its affiliates or associates beneficially owns the shares (directly or indirectly); (2) individually or with or through any of its affiliates or associates has: (A) the right to acquire the shares (whether the right is exercisable immediately or only after the passage of time) under any agreement, arrangement, or understanding (whether or not in writing), or upon the exercise of conversion rights, exchange rights, warrants or options, or otherwise. However, a person is not considered the beneficial owner of shares tendered under a tender or exchange offer made by the person or any of the person's affiliates or associates until the tendered shares are accepted for purchase or exchange; or (B) the right to vote the shares under any agreement, arrangement, or understanding (whether or not in writing). However, a person is not considered the beneficial owner of any shares under this subitem (B) if the agreement, arrangement, or understanding to vote the shares arises solely from a revocable proxy or consent given in response to a proxy or consent solicitation made in accordance with the applicable regulations under the Exchange Act and is not then reportable on a Schedule 13D under the Exchange Act, or any comparable or successor report; or (3) has any agreement, arrangement, or understanding (whether or not in writing) for the purpose of acquiring, holding, voting (except voting under a revocable proxy or consent as described in subitem (B) of item (2) of this section or disposing of the shares with any other person that beneficially owns, or whose affiliates or associates beneficially own (directly or indirectly) the shares.