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NantKwest CFO resigns; successor appointed

NantKwest Inc. announced that Richard Tajak has resigned as CFO, effective June 11.

Tajak will continue to help the company on financial and accounting matters on a consulting basis, according to a regulatory filing.

Also effective June 11, Sonja Nelson was appointed as CFO and principal financial officer. She was previously the company's chief accounting officer and vice-president/corporate controller.