A group of investors is urging Toyota Motor (TYO:7203) to provide greater transparency over its chairman's proposed 4.7 trillion yen buyout of Toyota Industries, Bloomberg News reported Thursday, citing a letter sent to the company's board.

The investors said the deal lacks sufficient disclosure, raising concerns about its fairness and its value allocation post takeover, according to the report.

In June, Toyota Motor announced its plan to take Toyota Industries private through a tender offer conducted by a new holding company established by Toyota Fudosan.

In response, Toyota Motor said it has engaged with investors and given due consideration to the interests of minority shareholders, Bloomberg reported.

(Market Chatter news is derived from conversations with market professionals globally. This information is believed to be from reliable sources but may include rumor and speculation. Accuracy is not guaranteed.)