Altimmune, Inc. 10-Q

Item 5. Other Information None. ​ 24 Table of Contents Item 6. Exhibits ​ ​ ​ ​ ​ Exhibit Index ​ ​ ​ Exhibit No. Description ​ ​ ​ 10.1 § ​ Amendment No. 7 Contract Award issued by the Biomedical Advanced Research and Development Authority of the United Sates Department of Health and Human Services, dated June 29, 2021 ​ ​ ​ 31.1 † Certification of Principal Executive Officer Pursuant to SEC Rule 13a-14(a)/15d-14(a) ​ ​ 31.2 † Certification of Principal Financial Officer Pursuant to SEC Rule 13a-14(a)/15d-14(a) ​ ​ 32.1 † Certification Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code ​ ​ 32.2 † Certification Pursuant to Section 1350 of Chapter 63 of Title 18 of the United States Code ​ ​ 101.INS Inline XBRL Instance Document (the instance document does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document) ​ ​ 101.SCH Inline XBRL Taxonomy Extension Schema Document ​ ​ 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document ​ ​ 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document ​ ​ 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document ​ ​ 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document ​ ​ ​ 104 ​ Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101) ​ † This certification will not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liability of that section. Such certification will not be deemed to be incorporated by reference into any filing under the Securities Act of 1933, as amended, or the Exchange Act, except to the extent specifically incorporated by reference into such filing. § Certain portions of this exhibit have been omitted pursuant to a request for confidential treatment. ​ 25 Table of Contents SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused the report to be signed on its behalf by the undersigned, thereunto duly authorized. ​ ​ ​ ​ ALTIMMUNE, INC. ​ ​ ​ Dated: August 10, 2021 By: /s/ Vipin K. Garg ​ Name: Vipin K. Garg ​ Title: President and Chief Executive Officer (Principal Executive Officer) ​ ​ ​ Dated: August 10, 2021 By: /s/ Will Brown ​ Name: Will Brown ​ Title: Chief Financial Officer (Principal Financial and Accounting Officer) ​ ​ ​ ​ ​ 26