Exhibit 4.3

SEE REVERSE FOR IMPORTANT NOTICE REGARDING OWNERSHIP AND TRANSFER RESTRICTIONS AND CERTAIN OTHER INFORMATION ZQ INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE CUSIP 212481 1 05 COMMON STOCK SEE REVERSE FOR CERTAIN DEFINITIONS FULLY PAID AND NON-ASSESSABLE SHARES OF COMMON STOCK, PAR VALUE OF $0.0001 PER SHARE, OF CONVERGEONE HOLDINGS, INC. transferable on the books of the Corporation by the holder hereof in person or by duly authorized attorney upon surrender of this certificate properly endorsed. This Certificate and the shares represented hereby are issued and shall be held subject to all of the provisions of the Amended and Restated Certificate of Incorporation of the Corporation and its Bylaws, and the holder of this Certificate, by acceptance hereof, assents to all such provisions. This Certificate is not valid until countersigned by the Transfer Agent and registered by the Registrar. WITNESS the facsimile signatures of its duly authorized officers. PRESIDENT, CHIEF EXECUTIVE OFFICER CHIEF FINANCIAL OFFICER CHAIRMAN OF THE BOARD

The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations; TEN COM -as tenants in common UNIF GIFT MIN ACT- Custodian—— (CUlt) (Minor) TENENT - as tenants by the entireties IT TEN -as joint tenants with right of under Uniform Gifts to Minors ~vorshipand not as tenants Act-——-,———,——-mcommon (S1a~o) TIEE -trustee under Agreement dated——- Additional abbreviations may also be used though not in the above list. For value received, hereby sell, assign and transfer unto PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE PLEASE PAINT OR TYPEWRITE NAME AND ADDRESS INCLUDING POSTAL ZIP CODE OF ASSIGNEE. ______________________________ Shares of the common stock represented by this certificate and do hereby irrevocably constitute and appoint ______________________ attorney, to transfer the said stock on the books of the within-named corporation with full power of substitution in the premises. DATED _________________ NOTICE:Tlle signature to this assignment must correspond with the name as written upon the face of the certificate in every particular wHhout alteration or enlargement or any change whaiiMir. SIGNATURE GUARANTEED; THE SIClNAl\JRE(Sl SHOULD BE ClUARArflEED BY AN ELICliBL.E ClUARAIIITOR INSTIT\JTION. IBANKS STOCKBROKERS ~ SAVINGS AND LOANASSOCIATlONSAND CREDrTUNIONSWITH MEMBERSHIP IN AN APPROVED SIGNA 1URE GUARANTEE MEDALLION PROGRAM), PURSUANT10 S.E.C. RULE 17M-15.