X0306 4 2019-03-08 0 0001289945 Spok Holdings, Inc SPOK 0001253133 KELLY VINCENT D C/O SPOK HOLDINGS, INC. 6850 VERSAR CTR STE 420 SPRINGFIELD VA 22151 1 1 0 0 President & CEO Common Stock 2019-03-08 4 M 0 40938 0.00 A 123210 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust Common Stock 2019-03-08 4 F 0 18464 14.21 D 104746 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust Restricted Stock Units 2019-03-08 4 M 0 40938 0.00 D Common Stock 40938 252956 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust Restricted Stock Units 2019-03-08 4 D 0 40939 0.00 D Common Stock 40939 212017 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust On March 8, 2019, shares were issued upon vesting of Restricted Stock Units ("RSUs") granted to Mr. Kelly under the Spok Holdings, Inc. 2016 Long Term Incentive Plan (the "2016 LTIP"). On March 8, 2019, Mr. Kelly surrendered 18,464 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 March 1, 2019 as reported on NASDAQ. RSUs were granted to Mr. Kelly under the 2016 LTIP. Each RSU represents a contingent right to receive one share of the issuer's Common Stock. On March 8, 2019, 40,938 shares vested. On March 8, 2019, 40,939 shares were forfeited due to performance criteria of the 2016 LTIP not being met. /Vincent D. Kelly/ 2019-03-08