X0306 4 2015-03-13 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 2015-03-13 4 M 0 216034 A 385668 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust Common Stock 2015-03-13 4 F 0 103049 17.36 D 282619 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust Restricted Stock Units 2015-03-13 4 M 0 216034 0.00 D Common Stock 216034 86405 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust On March 13, 2015, shares were issued upon vesting of Restricted Stock Units ("RSUs") granted to Mr. Kelly under the Spok Holdings, Inc. 2011 Long Term Incentive Plan (the "2011 LTIP"). RSUs were granted to Mr. Kelly under the 2011 LTIP. Each RSU represents a contingent right to receive one share of the issuer's Common Stock. On March 13 2015, Mr. Kelly surrendered 103,049 shares of Spok Holdings, Inc. ("the Company") common stock to the Company in payment of required tax withholdings due upon vesting of the Company's 2011 Long Term Incentive Plan. The price was based on the closing price per share of March 6, 2015 as reported on NASDAQ. On March 13, 2015, 216,034 shares vested under the 2011 LTIP /Vincent D. Kelly/ 2015-03-13