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Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 FORM 10 - K ( Mark One ) 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 For the transition period from to Commission File number 1-12254 SAUL CENTERS , INC . ( Exact name of registrant as specified in its charter ) ☑ ☐ Maryland ( State or other jurisdiction of incorporation or organization ) 7501 Wisconsin Avenue , Suite 1500E , Bethesda , Maryland 20814-6522 ( Address of principal executive offices ) ( Zip Code ) Registrant's telephone number , including area code : ( 301 ) 986-6200 Title of each class Securities registered pursuant to Section 12 ( b ) of the Act : Common Stock , Par Value $ 0.01 Per Share Depositary Shares each representing 1 / 100th of a share of 6.125 % Series D Cumulative Redeemable Preferred Stock , Par Value $ 0.01 Per Share Depositary Shares each representing 1 / 100th of a share of 6.000 % Series E Cumulative Redeemable Preferred Stock , Par Value $ 0.01 Per Share Trading symbol : BFS BFS / PRD BFS / PRE 52-1833074 ( I.R.S. Employer Identification No. ) Name of each exchange on which registered New York Stock Exchange New York Stock Exchange New York Stock Exchange Securities registered pursuant to Section 12 ( g ) of the Act : N / A Yes ☑ No □ Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . 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 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 ( § 232.405 of this chapter ) during the preceding 12 months ( or for such 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 . Large accelerated filer Non - accelerated filer ☐ ☐ 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 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 . No ☑ . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) . Yes □ The number of shares of Common Stock , $ 0.01 par value , issued and outstanding as of February 18 , 2021 was 23.5 million . At June 30 , 2020 , the aggregate market value of the voting and non - voting common equity held by non - affiliates of the registrant was $ 419.8 million based upon the closing price of the registrant's Common Stock on the New York Stock Exchange on June 30 , 2020 , the last business day of the registrant's most recently completed second