Exhibit 4.6

0000001 SEE REVERSE FOR IMPORTANT NOTICE REGARDING OWNERSHIP AND TRANSFER RESTRICTIONS AND CERTAIN OTHER INFORMATION FULLY PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK, $0.0001 PAR VALUE, OF Embark TEchnology, Inc. transferable on the books of the Company 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 Certificate of Incorporation, as amended, and the Bylaws, as amended, of the Company (copies of which are on file with the Company and with the Transfer Agent), to all of which each holder, by acceptance hereof, assents. This Certificate is not valid unless countersigned and registered by the Transfer Agent and Registrar. WITNESS the facsimile seal of the Company and the facsimile signatures of its duly authorized officers. INCORPORATED UNDER THE LAWS OF THE STATE OF DELAWARE COMMON STOCK SEE REVERSE FOR CERTAIN DEFINITIONS Secretary CUSIP 000000 00 0 President E M B ARK TE C H NOLOGY, IN C . 2021 D E L A W A RE SPECIMEN

Continental Stock Transfer Continental Stock T Transfer Continental Stock T Stock Transfer Continental Stock T Continental Stock Transfer Continental Stock T Transfer Continental Stock T Stock Transfer Continental Stock T Continental Stock T Transfer Continental Stock T Stock Transfer Continental Stock T Continental Stock T Transfer Continental Stock T Stock T Continental Stock T Transfer Continental Stock T Stock T Continental Stock T T Stock T T Stock T T Stock T Transfer Transfer Transfer Continental Transfer Transfer Continental Transfer Transfer Continental Stock Transfer Continental ransfer Continental Stock Transfer Transfer Continental Stock Transfer Continental Transfer Continental Stock Transfer Transfer Continental Stock ransfer Continental Stock Transfer Continental Transfer Continental Stock Transfer Transfer Continental Stock Transfer Continental Stock Transfer Continental Transfer Continental Stock Transfer JT TEN Attorney, to transfer the said stock on the books of the within-named Corporation with full power of substitution in the premises. Shares of the common stock represented by this certificate and do hereby irrevocably constitutes and appoint