Risks Related to Laws, Regulations and Litigation Our f uture efforts to sell shares or raise additional capital may be delayed or prohibited by regulations. As certain of our subsidiaries are members of FINRA, we are subject to certain regulations regarding changes in control of our ownership. FINRA Rule 1017 generally provides that FINRA approval must be obtained in connection with any transaction resulting in a change in control of a member firm. FINRA defines control as ownership of 25% or more of the firm’s equity by a single entity or person and would include a change in control of a parent company. Interactive Brokers Canada, Inc., Interactive Brokers (U.K.) Limited, Interactive Brokers Ireland Limited, IBKR Financial Services AG, Interactive Brokers Hong Kong Limited, and Interactive Brokers Singapore Pte. Ltd. are subject to similar change in control regulations promulgated by the CIRO in Canada, the FCA in the United Kingdom, the CBI in Ireland, the FINMA in Switzerland, the SFC in Hong Kong, and the MAS in Singapore, respectively. As a result of these regulations, our future efforts to sell shares or raise additional capital may be delayed or prohibited.