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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 □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 0-19065 SANDY SPRING BANCORP , INC . ( Exact name of registrant as specified in its charter ) Maryland ( State or other jurisdiction of incorporation or organization ) 17801 Georgia Avenue , Olney , Maryland ( Address of principal executive offices ) Title of each class Common Stock , par value $ 1.00 per share 301-774-6400 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol SASR Securities registered pursuant to Section 12 ( g ) of the Act : None . 52-1532952 ( I.R.S. Employer Identification No. ) 20832 ( Zip Code ) Name of each exchange on which registered The NASDAQ Stock Market , LLC 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 mark if the registrant is not required to file reports pursuant to Section 13 or Section 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 ( or for such shorter period that the registrant was required to file such reports ) , 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 every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S - T during the preceding 12 months ( or for shorter period that the registrant was required to submit such files ) . > Yes □ No Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company ” and “ emerging growth company " in Rule 12b - 2 of the Exchange Act ( Check one ) : Large accelerated filer > Accelerated filer Non - accelerated filer | Smaller reporting company Emerging growth 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 is a shell company ( as defined in Rule 12b - 2 of the Act ) . □ Yes > No 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 . Documents Incorporated By Reference The aggregate market value of the voting common stock of the registrant held by non - affiliates on June 30 , 2020 , the last day of the registrant's most recently completed second fiscal quarter , was approximately $ 1.1 billion , based on the closing sales price of $ 24.78 per share of the registrant's Common Stock on June 30 , 2020 . The number of outstanding shares of common stock outstanding as of February 17 , 2021 . Common stock , $ 1.00 par value - 47,095,833 shares