Eyewitness News has learnt that a senior executive resigned at phosphates company Foskor, just a week after a copy of his bank account transactions was e-mailed to most of the firm's staff by mistake.
Members of staff have now asked the firm's management and its shareholders to investigate.
The company's majority shareholder is the Industrial Development Corporation parastatal, a finance body established to promote economic growth and industrial development in the country.
The bank account details showed several large transfers of amounts up to R83 000 and one cash deposit of R120 000 that was made at a bank at OR Tambo International Airport in Johannesburg.
Staff members have claimed these payments should be investigated, saying that it is possible that money was the result of kickbacks.
But the former executive, whose name is known to Eyewitness News, said he had done nothing wrong and that he resigned to pursue personal interests.
Foskor said there was no internal investigation underway.
(Edited by Thato Motaung)
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