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Table of Contents ( Mark one ) UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Fiscal Year Ended December 31 , 2020 Or TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-39610 Title of each class Common Stock Eastern Bankshares , Inc. ( Exact name of the registrant as specified in its charter ) Massachusetts ( State or Other Jurisdiction of Incorporation or Organization ) 265 Franklin Street , Boston , Massachusetts ( Address of principal executive offices ) ( 800 ) 327-8376 ( Registrant's telephone number , including area code ) 84-4199750 ( I.R.S. Employer Identification Number ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol EBC 02110 ( Zip Code ) Name of exchange on which registered Nasdaq Global Select Market Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes No Indicate by check ma if the registrant is not required to file reports pursuant to Section 13 or Se 15 ( d ) of the Act . Yes No Indicate by check mark whether the Registrant ( 1 ) has filed all reports required to be filed by Section 13 or 15 ( d ) of the Securities Exchange Act of 1934 during the preceding 12 months and ( 2 ) has been subject to such filing requirements for the past 90 days . Yes - No Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site , if any , every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S - T ( §232.405 of this chapter ) during the preceding 12 months ( or for such shorter period that the registrant was required to submit and post such files ) . Yes No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , or a smaller reporting company . See the definitions of “ large accelerated filer , ” “ accelerated filer ” and “ smaller reporting company ” in Rule 12b - 2 of the Exchange Act : Large accelerated filer Accelerated filer Non - accelerated filer Smaller reporting company Emerging Growth Company ( Do not check if a smaller reporting company ) ☐ ☐ > If an emerging growth company , indicate by check mark if the Registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Exchange Act ) . Yes No 186,758,154 shares of the Registrant's common stock , par value $ 0.01 per share , were issued and outstanding as of March 24 , 2021 . DOCUMENTS INCORPORATED BY REFERENCE Portions of the Registrant's definitive proxy statement relating to its 2021 annual meeting of shareholders ( the " 2021 Proxy Statement " ) are incorporated by reference into Part III of this Annual Report on Form 10 - K where indicated . The 2021 Proxy Statement will be filed with the U.S. Securities and Exchange Commission within days after the end of the fiscal year to which this report relates .