Chrysler has officially filed a registration statement with the U.S. Securities and Exchange Commission for a proposed initial public offering (IPO).

Chrysler has officially filed a registration statement with the U.S. Securities and Exchange Commission for a proposed initial public offering (IPO).

The share price and number of shares to be offered haven't been determined but J.P. Morgan Securities has been appointed the "lead book-running manager" of the IPO.

While this sounds like good news for Chrysler, Fiat isn't happy. As Reuters explains, Fiat wants to buy the United Auto Workers' share of the company but hasn't been willing to pay the more than $5 (€3.7 / £3.1) billion that is being demanded. In an effort to put pressure on Fiat, the UAW exercised their right to have Chrysler move ahead with the IPO.

Unsurprisingly, Fiat isn't amused as the IPO paperwork reveals the company has informed Chrysler "that it is reconsidering the benefits and costs of further expanding its relationship." The filing goes on to say that Fiat is reconsidering the terms of their alliance including the sharing of platforms, technology and other resources.

What happens next remains unclear, but analysts believe the proposed IPO will never take place and the UAW is pushing it to get a better offer from Fiat.

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Chrysler files for an IPO, Fiat isn't happy