Five top executives at GT Advanced Technologies, the New Hampshire company that was to supply Apple with scratch-resistant sapphire, including its CEO and COO, cashed in stock worth more than $10 million in the five months before the company declared bankruptcy on Oct. 6, according to regulatory filings.

Two of the five executives unloaded shares just one day before Apple unveiled the iPhone 6 and iPhone 6 Plus, which some analysts had expected would use sapphire as a replacement for the special glass that covers their touchscreens.

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