In his seven and a half years at Apple Ron Johnson netted around $400 million via the sale of stock and options, says Piper Jaffray analyst Gene Munster.

Johnson still owns ~$35 million in Apple shares, and is walking away from picking up another 250,000 shares of the company valued at ~$80 million, says Munster.

In other words, he's not leaving Apple to become CEO of JC Penney for the money.

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