[brianfitz]

Allan who also responded is fairly inline with the answer to this -- except one key point: the company can write whatever they want into the contract regarding recourse, but the IRS will only recognize the loan as legit for tax purposes if it has a liability associated with it beyond the stock as collateral. This liability to the key execs will be reflected as a line item on the company balance sheet. And even if the company doesn't aggressively pursue the debt (which they can sue for), you're still on the hook to the IRS for the reason scurvy mentions below.