Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Byrne Barbara Peterson
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Byrne Barbara Peterson
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director COURNOYER CHRISTINE
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director SHOCKLEY BRETT A
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Stein Todd J
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Hyun Randy
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Stein Todd J
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer KELLY VINCENT D
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer WALLACE MICHAEL W
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer Woods-Keisling Sharon
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Stein Todd J
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer Rice Calvin
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer Woods-Keisling Sharon
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer KELLY VINCENT D
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer WALLACE MICHAEL W
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Director Stein Todd J
Spok Holdings | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Renaissance Technologies LLC 26-0385758(4.88 %),RENAISSANCE TECHNOLOGIES HOLDINGS CORPORATION 13-3127734(4.88 %)
Spok Holdings | SC 13G/A: Statement of acquisition of beneficial ownership by individuals (Amendment)-Dimensional Fund Advisors LP(3.7%)
Spok Holdings | SC 13G: Statement of acquisition of beneficial ownership by individuals-BlackRock, Inc.(7.1%)
Spok Holdings | 4: Statement of changes in beneficial ownership of securities-Officer WALLACE MICHAEL W
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