Who's watching the watchers?, Luckily, SEC was - On more than one occasion, Gene Levoff, senior director of corporate law and corporate secretary (responsible for Apple's compliance with securities laws) disobeyed the company's "blackout" period for stock transactions, selling or buying stock worth tens of "millions of dollars", according to the SEC

Gene Levoff, senior director of corporate law and corporate secretary until September, "traded on material nonpublic information about Apple's earnings three times during 2015 and 2016," according to the SEC.

Before his termination in September, Levoff was "responsible for Apple's compliance with securities laws," the SEC complaint says.

https://www.cnbc.com/2019/02/13/sec-files-insider-trading-lawsuit-against-former-apple-lawyer.html