X0306 4 2018-12-31 0 0001289945 Spok Holdings, Inc SPOK 0001621391 Goel Hemant C/O SPOK HOLDINGS, INC. 6850 VERSAR CTR STE 420 SPRINGFIELD VA 22151 0 1 0 0 President of Spok, Inc. Common Stock 2018-12-31 4 M 0 11470 13.26 A 19994 D Common Stock 2018-12-31 4 F 0 3958 13.26 D 16036 D Restricted Stock Units 2018-12-31 4 M 0 11470 13.26 D Common Stock 11470 69713 D On December 31, 2018, shares were issued upon vesting of Restricted Stock Units ("RSUs") granted to Mr. Goel. Each RSU represents a contingent right to receive one share of the issuer's Common Stock. On December 31, 2018, Mr. Goel surrendered 3,958 shares of Spok Holdings, Inc. ("the Company") common stock to the Company in payment of required tax withholdings due upon vesting of the time based awards. The price was based on the closing price per share of December 31, 2018 as reported on NASDAQ. On December 31, 2018, 11,470 shares vested. /HEMANT GOEL/ 2019-01-04