(1) It shall not be lawful for a person who is, or at any time in the preceding 6 months has been, connected with a company to deal in any securities of that company if by reason of his so being, or having been, connected with that company he is in possession of information that is not generally available, but, if it were, would be likely materially to affect the price of those securities.
(2) It shall not be lawful for a person who is, or at any time in the preceding 6 months has been, connected with a company to deal in any securities of any other company if by reason of his so being, or having been, connected with the first-mentioned company he is in possession of information that -
(a) is not generally available but, if it were, would be likely materially to affect the price of those securities, and
(b) relates to any transaction (actual or contemplated) involving both those companies or involving one of them and securities of the other, or to the fact that any such transactio