Does that apply to a single entity or individual, or could for example a family clan acquire a bigger stake without disclosing?
They thought of that :
(b) Any person who, directly or indirectly, creates or uses a trust, proxy, power of attorney, pooling arrangement or any other contract, arrangement, or device with the purpose of effect of divesting such person of beneficial ownership of a security or preventing the vesting of such beneficial ownership as part of a plan or scheme to evade the reporting requirements of section 13(d) or (g) of the Act shall be deemed for purposes of such sections to be the beneficial owner of such security.
Electronic Code of Federal Regulations (eCFR)