Adriana Kugler attends the Federal Reserve Board open meeting in Washington, DC, on June 25. Al Drago/Bloomberg/Getty Images

Adriana Kugler, a former member of the Federal Reserve Board of Governors who abruptly resigned on August 1, broke the central bank’s trading rules, according to a report released Saturday by the US Office of Government Ethics.

Some of the stocks that Kugler invested in include Apple ( AAPL ), Caterpillar ( CAT ) and Palo Alto Networks ( PANW ).

Kugler did not immediately respond to CNN’s request for comment. The Federal Reserve has not commented on the report released by the Office of Government Ethics.

Kugler was appointed to the Board of Governors, the body responsible for that Federal Reserve’s monetary policy (including the setting of interest rate

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