HONG KONG (Reuters) -HSBC ( HSBC ) has been fined HK$4.2 million ($537,682.59) by Hong Kong regulators over disclosure failures, the regulators said on Tuesday.

The bank failed to properly disclose investment banking relationships with Hong Kong-listed companies in more than 4,200 research reports published between 2013 and 2021, the regulators said.

The fine is a result of a self-report by HSBC ( HSBC ) followed by joint investigation by the Securities and Futures Commission (SFC) and Hong Kong Monetary Authority, the regulators said in a statement.

These issues were caused by deficiencies in HSBC's ( HSBC ) data recording and mapping across systems, according to the regulators.

However, there has been no evidence of client losses resulting from the disclosure issues, they said.

HSBC ( HSBC ) said in a statement to Reuters that the breach "is a historic matter" and the bank has remediated its systems and controls.

($1 = 7.8113 Hong Kong dollars)