Inc’s  Questioning CEO Financing because they have not yet received any detailed about this famous financing , indeed is seeking understand how CEO proceed take U.S. electric car maker private proposed deal worth $72 billion.

’s raised various questions from multiple discussions about ’s proposal since became public Tuesday, financial pressure from investors publicly declared it has not yet received specific who provide funding, one said.

However , 47-year-old entrepreneur, an engineer, stunned financial Tuesday, when he revealed Twitter he was considering a take-private deal for , an auto manufacturing pioneer that developed ’s first ever premium all-electric sedan car.

This bold turn-over came because the Tesla funder CEO Elon has launched for months a drastic battling the company investors. At a moment when public , journalists, analysts asked whether Tesla could turn a profit produce enough the mass market sedan model electric car meet demand.

said a tweet on Tuesday that he had secured financing for the deal, but he did not publicly provide further details.

Speculation has swirled among shareholders and investment bankers about who could fund a deal that size, especially given that the company’s bonds are already rated junk by credit rating agencies.

The U.S. Securities and Exchange Commission has contacted Tesla to ask about CEO Elon Musk assertion on Twitter that funding for his proposed deal was “secured”, the Wall Street Journal reported on Wednesday.

The revelation that the board is seeking details from Musk could raise new questions about how he plans to finance the deal at his proposed price of $420 per share.

After jumping to close at $379.57 on Tuesday, Tesla shares have since fallen about 7 percent to end trading at $352.45 on Thursday, amid investor skepticism over the deal’s prospects.

a statement on Wednesday, Tesla’s board said its discussion Musk “addressed the funding” for the deal, without offering details.

The board expects to make a decision on whether to launch a formal review of Musk’s proposal in the coming days and is speaking to investment bankers about hiring financial advisers to assist it in its review in such scenario, the said.

If the board launches a formal review of CEO Elon Musk bid, he would have to recuse himself, or a special board committee would have to be formed, according to the , who requested anonymity because the deliberations are confidential.

The exact information that Musk communicated to the board about his could not be learned.

Taking Tesla private would remove the pressure from Musk coming from hedge funds betting that the company’s stock drop given its production issues and negative cash flow, well the glare of Wall Street that comes reporting quarterly earnings publicly.

The company faces a make-or-break moment in its eight-year history a public company competition from European automakers is poised to intensify with new electric vehicles from Audi and Jaguar, with more rivals entering the market next year.

Tesla is still working its way out of what Musk called “production hell” at its factory in Fremont, , where a series of manufacturing challenges delayed the ramp-up of production of its new Model 3 sedan on which the company’s profitability rests.

Meanwhile, Tesla has announced plans to build a factory in Shanghai, China, and another in Europe, but details are scarce and funding unknown.