Annexon, Inc. 10-Q

Item 5. Other Information. None. 71 Item 6. E xhibits. EXHIBIT INDEX Exhibit No Description of Exhibit Incorporated by Reference Form File No. Exhibit Filing Date Filed Herewith 3.1 Amended and Restated Certificate of Incorporation. 8-K 001-39402 3.1 07/28/20 3.2 Amended and Restated Bylaws. 8-K 001-39402 3.2 07/28/20 10.1 Non-Employee Director Compensation Program. X 31.1 Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as amended. X 31.2 Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as amended. X 32.1* Certification Pursuant to 18 U.S.C. Section 1350, As Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, as amended. X 101.INS Inline XBRL Instance Document X 101.SCH Inline XBRL Taxonomy Extension Schema Document X 101.CAL Inline XBRL Taxonomy Extension Calculation Linkbase Document X 101.DEF Inline XBRL Taxonomy Extension Definition Linkbase Document X 101.LAB Inline XBRL Taxonomy Extension Label Linkbase Document X 101.PRE Inline XBRL Taxonomy Extension Presentation Linkbase Document X 104 Cover Page Interactive Data File (formatted as inline XBRL and contained in Exhibit 101) X * The certification attached as Exhibit 32.1 that accompanies this Quarterly Report on Form 10-Q pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, as amended, is not deemed “filed” by the Registrant for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or the Exchange Act, nor shall Exhibit 32.1 be deemed to be incorporated by reference in any registration statement or other document filed under the Securities Act of 1933, as amended, or the Exchange Act, except as otherwise specifically stated in such filing. 72 SIGNAT URES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Annexon, Inc. Date: May 9, 2022 By: /s/ Douglas Love, Esq. Douglas Love, Esq. President and Chief Executive Officer (Principal Executive Officer) Date: May 9, 2022 By: /s/ Jennifer Lew Jennifer Lew Executive Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) 73