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, 2023 OR ☐ 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 001-39402 ANNEXON, INC. (Exact name of Registrant as specified in its Charter) Delaware 27-5414423 (State or other jurisdiction of incorp ...

Exhibit 99.1 Annexon Reports Fourth Quarter and Year-End 2023 Financial Results and Key Anticipated Milestones Pivotal Phase 3 Data for ANX005 in Guillain-Barré Syndrome (GBS) Expected in Second Quarter 2024 Initiation of Pivotal Phase 3 ANX007 ARCHER II Trial in Geographic Atrophy (GA) Expected in mid-2024, a Global ShamControlled Trial Using Vision Preservation as Primary Outcome Measure Clinical Proof-of-Concept Data with ANX1502 Oral Inhibitor of the Classical Pathway Expected in Second Half of 2024 Rob ...

BRISBANE, Calif., March 18, 2024 (GLOBE NEWSWIRE) -- Annexon, Inc. (NASDAQ:ANNX), a clinical-stage biopharmaceutical company developing a new class of complement-based medicines for people living with devastating inflammatory-related diseases, today announced that it has granted inducement to a new non-executive employee under the terms of the 2022 Employment Inducement Award Plan. The equity award was approved on March 15, 2024, in accordance with Nasdaq Listing Rule 5635(c)(4). The new non-executive emplo ...

Investors are always looking for stocks that are poised to beat at earnings season and Annexon, Inc. (ANNX) may be one such company. The firm has earnings coming up pretty soon, and events are shaping up quite nicely for their report.That is because Annexon is seeing favorable earnings estimate revision activity as of late, which is generally a precursor to an earnings beat. After all, analysts raising estimates right before earnings — with the most up-to-date information possible — is a pretty good indicat ...

Annexon, Inc. (ANNX) , a clinical-stage company, is focused on developing novel therapies to treat patients suffering from serious complement-mediated autoimmune, neurodegenerative and ophthalmic disorders.The company has channeled its resources to prioritize the development of three candidates in its pipeline, such as ANX005 for Guillain-Barré syndrome, ANX007 for geographic atrophy (GA) and first-in-kind oral complement small molecule, and ANX1502 for several autoimmune indications.Over the past three mon ...

ANX005 Phase 3 Pivotal Data in Guillain-Barré Syndrome (GBS) On Track for First Half of 2024;Potential to be First Approved Treatment for GBS Patients in the U.S. ANX007 Global Pivotal Program in Geographic Atrophy (GA) to Initiate Mid-2024; First Pivotal Trial Using Vision Preservation as Primary Outcome Measure in GA Clinical Proof-of-Concept Study of ANX1502 First-in-Kind Oral Small Molecule Inhibitor of the Classical Pathway to Initiate in First Half of 2024 Recent Successful $125 Million Financing Exte ...

BRISBANE, Calif., Dec. 20, 2023 (GLOBE NEWSWIRE) -- Annexon, Inc. (NASDAQ:ANNX), a clinical-stage biopharmaceutical company developing a new class of complement medicines for patients with classical complement-mediated autoimmune, neurodegenerative and ophthalmic disorders, today announced the pricing of an underwritten public offering of 25,035,000 shares of its common stock and pre-funded warrants to purchase 18,379,861 shares of common stock. The shares of common stock are being sold at a price of $2.88 ...

Target Levels of Active Drug Achieved in Healthy Volunteers with Oral Twice-Daily Dosing; Supportive Impact on Pharmacodynamic Biomarker of Complement Activity ANX1502 Generally Well Tolerated Across Cohorts with No Serious Adverse Events Tablet Formulation of ANX1502 Expected to Advance into Proof-of-Concept Study in Patients with Cold Agglutinin Disease (CAD) in 2024 BRISBANE, Calif., Dec. 20, 2023 (GLOBE NEWSWIRE) -- Annexon, Inc. (NASDAQ:ANNX), a clinical-stage biopharmaceutical company developing a ne ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Title of each class Trading Symbol(s) Name of each exchange on which registered Common Stock, par value $0.001 per share ANNX The Nasdaq Stock Market LLC FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ 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 001-39402 ANNEXON, INC. (Exact name of Registrant as specified in its Charter) Delaware 27-5414423 (State or other jurisdiction of in ...