X0306 4 2021-01-04 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 Restricted Stock Units 2021-01-04 4 A 0 44924 0.00 A common stock 44924 214457 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust Restricted Stock Units 2021-01-04 4 A 0 44923 0.00 A common stock 44923 259380 I Vincent DePaul Kelly, Trustee of the Vincent DePaul Kelly Third Amended and Restated Revocable Trust The Restricted Stock Units which if not forfeited, will convert into shares of common stock if specified performance objectives of the Company set forth in the 2021 LTIP are achieved for the year ending December 31, 2023. Each Restricted Stock Unit represents the contingent right to receive one share of the issuer's Common Stock. The Restricted Stock Units vest in three equal annual installments beginning December 31, 2021. Vested shares will be delivered to the reporting person for the fiscal years ending December 31, 2021, December 31, 2022 and December 31, 2023. /s/ VINCENT D. KELLY 2021-01-06