Ill. Admin. Code tit. 50, § 204.10
a) Definition of Terms
5) Securities "held of record."
A) For the purpose of determining whether the equity securities of a company are held of record by one hundred or more persons, securities shall be deemed to be "held of record" by each person who is identified as the owner of such securities on records of security holders maintained by or on behalf of the company, subject to the following:
B) Notwithstanding subsection (a) of this Section:
b) Transactions Exempted From the Operation of Subsection (b) of the Act
Any acquisition or disposition of any equity security by a director or officer of a company within six months prior to the date on which the Act shall first become applicable with respect to the securities of such company shall not be subject to the operation of subsection (b) of the Act.
c) Applicability of Rules
Pursuant to subsection (i) of the Act, this Part 204 shall not apply to any transactions prior to January 31, 1966.