01/29/2014 06:29 pm ET Updated Jan 31, 2014

Meet The Guy Who Turned Down $4 Million On Shark Tank

Joseph K. Moore

Joseph K. Moore, president and CEO of First Defense Nasal Screens, is a "Shark Tank" legend. At the end of his pitch, most of the sharks were making offers, and Robert Herjavec offered him $4 million for the entire business—the largest offer in the show's history.

Moore turned it down.

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