1、Table of ContentsUNITED STATESSECURITIES AND EXCHANGE COMMISSIONWASHINGTON,D.C.20549_FORM 10-K_(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the fiscal year ended December 31,2020ORTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES E
2、XCHANGE ACT OF 1934For the transition period from to Commission File Number 001-33097_GLADSTONE COMMERCIAL CORPORATION(Exact name of registrant as specified in its charter)_Maryland 02-0681276(State or other jurisdiction of incorporation or organization)(I.R.S.Employer Identification No.)1521 Westbr
3、anch Drive,Suite 100 22102McLean,Virginia(Address of principal executive offices)(Zip Code)(703)287-5800(Registrants telephone number,including area code)Securities registered pursuant to Section 12(b)of the Act:Title of each Class Trading Symbol(s)Name of each exchange on which registeredCommon Sto
4、ck,par value$0.001 per share GOODNasdaq Global Select Market7.00%Series D Cumulative Redeemable Preferred Stock,par value$0.001 per share GOODMNasdaq Global Select Market6.625%Series E Cumulative Redeemable Preferred Stock,parvalue$0.001 per shareGOODNNasdaq Global Select MarketSecurities registered
5、 pursuant to Section 12(g)of the Act:NoneIndicate 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 Indi
6、cate 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 theregistrant was required to file such reports),and(2)has been subject to such filing re