FRANKFURT (Reuters) – Deutsche Bank’s head of human resources, Michael Ilgner, has decided to leave the bank, Deutsche Bank announced on Friday.

The move follows an investigation earlier this year into Ilgner’s purchase of the bank’s own bonds just days before the lender reported earnings, a move that appeared to flout the bank’s own rules designed to prevent insider trading.

It was not immediately clear whether Ilgner’s decision to leave was related to the investigation.

A Deutsche Bank spokesperson declined to comment on the status of the probe.

(Reporting by Tom Sims, Editing by Victoria Waldersee)