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<title>Gladstone Commercial Corporation Quarterly report pursuant to Section 13 or 15(d)</title>
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    <h3>Quarterly report pursuant to Section 13 or 15(d)</h3>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1147">Cover</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1147">Document and Entity Information</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1148">Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1148">Condensed Consolidated Balance Sheets</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1149">Condensed Consolidated Balance Sheets (Parenthetical)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1150">Condensed Consolidated Statements of Operations</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1151">Condensed Consolidated Statements of Cash Flows</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1152">Notes to Financial Statements</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1152">Organization, Basis of Presentation and Significant Accounting Policies</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1153">Related-Party Transactions</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1154">Loss per Share of Common Stock</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1155">Real Estate and Intangible Assets</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1156">Real Estate Dispositions, Held for Sale and Impairment Charges</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1157">Mortgage Note Receivable</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1158">Mortgage Notes Payable, Line of Credit and Term Loan Facility</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1159">Mandatorily Redeemable Preferred Stock</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1160">Commitments and Contingencies</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1161">Stockholders' and Mezzanine Equity</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1162">Subsequent Events</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1163">Accounting Policies</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1163">Organization, Basis of Presentation and Significant Accounting Policies (Policies)</a></li>
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                        <a class="menu-item " href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1164">Notes Tables</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1164">Organization, Basis of Presentation and Significant Accounting Policies (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1165">Loss per Share of Common Stock (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1166">Real Estate and Intangible Assets (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1167">Real Estate Dispositions, Held for Sale and Impairment Charges (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1168">Mortgage Notes Payable, Line of Credit and Term Loan Facility (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1169">Commitments and Contingencies (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1170">Stockholders' and Mezzanine Equity (Tables)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1171">Subsequent Events (Tables)</a></li>
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                        <a class="menu-item current" href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1172">Notes Details</a>
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                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1172">Organization, Basis of Presentation and Significant Accounting Policies - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1173">Organization, Basis of Presentation and Significant Accounting Policies - Summary of Retrospective Adjustment and Overall Impact on Previously Reported Consolidated Financial Statements (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1174">Related-Party Transactions - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1175">Loss per Share of Common Stock - Basic and Diluted Loss Per Share of Common Stock (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1176">Loss per Share of Common Stock - Basic and Diluted Loss Per Share of Common Stock Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1177">Real Estate and Intangible Assets - Components of Investments in Real Estate (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1178">Real Estate and Intangible Assets - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1179">Real Estate and Intangible Assets - Summary of Properties Acquired (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1180">Real Estate and Intangible Assets - Fair Value of Acquired Assets and Liabilities Assumed (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1181">Real Estate and Intangible Assets - Schedule of Revenue and Earnings Recognized on Properties Acquired (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1182">Real Estate and Intangible Assets - Pro-Forma Condensed Consolidated Statements of Operations (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1183">Real Estate and Intangible Assets - Summary of Lease on Property (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1184">Real Estate and Intangible Assets - Summary of Lease on Property Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1185">Real Estate and Intangible Assets - Carrying Value of Intangible Assets and Accumulated Amortization (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1186">Real Estate and Intangible Assets Real Estate and Intangible Assets - Intangible Assets and Liabilities (Details)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1187">Real Estate Dispositions, Held for Sale and Impairment Charges - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1188">Real Estate Dispositions, Held for Sale and Impairment Charges - Components of Income from Real Estate and Related Assets Held for Sale (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1189">Real Estate Dispositions, Held for Sale and Impairment Charges - Components of Income from Real Estate and Related Assets Held for Sale Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1190">Real Estate Dispositions, Held for Sale and Impairment Charges - Components of Assets and Liabilities Held for Sale (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1191">Mortgage Note Receivable - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1192">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Company's Mortgage Notes Payable and Line of Credit (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1193">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Company's Mortgage Notes Payable and Line of Credit Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1194">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1195">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Summary of Long-Term Mortgages (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1196">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Summary of Long-Term Mortgages Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1197">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Schedule of Principal Payments of Mortgage Notes Payable (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1198">Mortgage Notes Payable, Line of Credit and Term Loan Facility - Summary of Interest Rate Cap Agreement (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1199">Mandatorily Redeemable Preferred Stock - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1200">Commitments and Contingencies - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1201">Commitments and Contingencies - Future Minimum Rental Payments Due under Terms of Leases (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1202">Stockholders' and Mezzanine Equity - Summary of Changes in Stockholders' Equity (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1203">Stockholders' and Mezzanine Equity - Dividends Paid (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1204">Stockholders' and Mezzanine Equity - Additional Information (Detail)</a></li>
                                                            <li><a href="/investors/sec-filings/all-sec-filings/xbrl_doc_only/1205">Subsequent Events - Monthly Distributions Declared by Company's Board of Directors (Detail)</a></li>
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                            </ul>
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        <h4>Real Estate and Intangible Assets - Pro-Forma Condensed Consolidated Statements of Operations (Detail)</h4>
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