Eastern Bankshares (EBC) S-1/AIPO registration (amended)

Exhibit 4

SEE LEGENDS ON REVERSE SIDE OF CERTIFICATE

Eastern Bankshares, Inc.

Common Stock

Par Value $0.01

THIS CERTIFIES THAT **SPECIMEN** is the record holder of Zero (0) Shares of the Common Stock, Par Value $0.01, of EASTERN BANKSHARES, INC. transferable only on the books of the Corporation by the holder thereof, in person or by duly authorized attorney, upon surrender of this Certificate properly endorsed or assigned.

A statement of the rights, preferences, privileges and restrictions granted to or imposed upon the respective classes or series of shares of stock of the Corporation and upon the holders thereof as established by the Articles of Incorporation, and the number of shares constituting each series and the designations thereof, may be obtained by any stockholder upon request and without charge at the principal office of the Corporation.

IN WITNESS WHEREOF, the Corporation has caused this Certificate to be signed by its duly authorized officers this             day of                             , 20      .

THE CAPITAL STOCK EVIDENCED HEREBY IS NOT AN ACCOUNT OF AN INSURABLE TYPE AND IS NOT INSURED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION OR ANY OTHER FEDERAL OR STATE GOVERNMENTAL AGENCY.

The following abbreviations when used in the inscription of the face of this certificate shall be construed as though they were written out in full according to applicable laws or regulations.

Additional abbreviates may also be used through not in the list above.

For value Received,                                              hereby sell, assign and transfer unto                                 Shares of the Common Stock of the within named Corporation, represented by the within Certificate and do hereby irrevocably constitute and appoint                                         Attorney to transfer the said shares of said Common Stock on the books of the said Corporation, pursuant to the provisions of the By-Laws thereof, with full powers of substitution in the premises.

NOTE: THIS SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME OF THE SHAREHOLDER(S) AS WRITTEN UPON THE FACE OF THE CERTIFICATE, IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT, OR ANY CHANGE WHATSOEVER.