 SPRINGFIELD, Va.--BUSINESS WIRE--Spok Holdings, Inc. NASDAQ: SPOK, a global leader in healthcare communications, today announced operating results for the third quarter ended September 30, 2020. In addition, the Companys Board of Directors declared a regular quarterly dividend of 0.125 per share, payable on December 10, 2020, to stockholders of record on November 16, 2020. Key Third Quarter Operating Highlights: Software bookings in the third quarter totaled 21.4 million, up nearly 39 a 